CN110282826A - A kind of process of organic silicon wastewater processing - Google Patents

A kind of process of organic silicon wastewater processing Download PDF

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Publication number
CN110282826A
CN110282826A CN201910574830.8A CN201910574830A CN110282826A CN 110282826 A CN110282826 A CN 110282826A CN 201910574830 A CN201910574830 A CN 201910574830A CN 110282826 A CN110282826 A CN 110282826A
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China
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organic silicon
water
pact
activated carbon
silicon wastewater
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CN110282826B (en
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郝春玲
高占峰
杜毛毛
张良
程志胜
王冬燕
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Jiangxi Bluestar Xinghuo Silicone Co Ltd
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Jiangxi Bluestar Xinghuo Silicone Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C02F3/284—Anaerobic digestion processes using anaerobic baffled reactors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The present invention provides a kind of processes of organic silicon wastewater processing; the described method comprises the following steps: organic silicon wastewater passes through the multi-stage reaction chamber of the ABR anaerobic baffled reactor; and in the reaction chamber granular activated carbon and anaerobe acidification reaction is hydrolyzed; intermediate waste water is obtained, while the mud line of the water distribution gas distribution system and gas distribution pipeline cooperate spoil disposal and the exhaust of the ABR anaerobic baffled reactor；The intermediate waste water enters PACT aerobic tank, and it is flowed in the biochemical treatment area in the PACT aerobic tank, side reaction area, settling zone and aggregation recirculating zone and carries out depth degradation with Powdered Activated Carbon and aerobic microbiological, it obtains producing water, while Powdered Activated Carbon and aerobic microbiological are recovered to the biochemical treatment area and recycled by the settling zone and aggregation recirculating zone.

Description

A kind of process of organic silicon wastewater processing
Technical field
The invention belongs to technical field of industrial sewage treatment, and in particular to a kind of process of organic silicon wastewater processing.
Background technique
Demand of the development of social economy to organosilicon high performance material is continuously increased, and organosilicon material has been widely applied In fields such as building, petrochemical industry, medical treatment, daily use chemicals, new energy, aerospaces.Production organosilicon material can generate a large amount of waste water, organic Silicon waste water has the characteristics that COD concentration is high, acidity is strong, salinity is high, biodegradability is poor, processing difficulty is big.There are many containing in waste water Inorganic matter and organic matter, complicated composition are changeable, and pH value of waste water is low, and oil spill is serious.According to the difference of organosilicon material production technology, The property of organic silicon wastewater can also change.The method of traditional processing organic silicon wastewater is neutralization precipitation method, produces water and reaches Second level or grade III Standard, processing cost are higher.
Currently, those skilled in the art, which study a variety of new methods of application, handles organic silicon wastewater.For example, patent CN201210549798.6 provide a kind of multiple materializing strategy systems it is comprehensive associated with technique, it is pre- by the conditioning tank to waste water Processing, first time micro-filtration rotation film filtering, the irradiation of first time ultraviolet light, first time Inner electrolysis, second micro-filtration rotate film filter, Second of ultraviolet light irradiation, second of Inner electrolysis, third time micro-filtration rotation film filtering, activated carbon adsorption, carbon mineral wool polymerize grain Material absorption and ultra filtering reverse osmosis filtering, make water outlet reach national grade one discharge standard.
Patent CN201010033665.4 discloses a kind of processing method of organic silicon wastewater, and the setting of process flow front end is pre- Neutralization pond, it is 1-2 or so that waste water, which is neutralized to pH, and into micro-electrolysis reactor, micro-electrolysis stuffing, water outlet are filled in reactor Into second level neutralization pond, further regulating pondage and pH value eventually enter into secondary settling tank into biochemical treatment facility.The life of waste water Changing processing system includes: level-one oxygen compatibility pool, level-one aerobic tank, second level aerobic tank, adds microbial flora and relative carrier in pond Body.This method optimum organization pretreatment unit, biochemical unit can be handled organic silicon wastewater to integrated wastewater discharge standard (GB8978-1996) secondary standard as defined in.
Existing organic silicon wastewater processing technique increases the processing means such as light electrolysis, ultrasound, and production water is made to reach a calibration It is quasi-.However, so that organic silicon wastewater processing is reached primary standard how on the basis of traditional wastewater processing technology and equipment, The always problem of this field.Organic silicon wastewater COD concentration is high, and salt content is high, and biodegradability is poor, and fluctuation is big, and water quality is very unstable It is fixed, belong to the industrial wastewater of extremely difficult biochemistry.And tradition A/O technique can cause bacterium when encountering influent quality or water fluctuates Selection adjustment problem the problem of, cause biochemical system water outlet that cannot continue and stably reaching standard, treatment effeciency decline or directly Lead to system crash.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of process of organic silicon wastewater processing, the method is traditional ABR hydrolysis acidification-PACT is combined on the basis of processing method, using new water distribution gas distribution system and return-flow system, is preferably matched The active carbon of specific mesh number and dosage is closed, the bioactivity and utilization rate of anaerobe and aerobic microbiological are improved, so that place Organic silicon wastewater after reason reaches first discharge standard (CODcr≤100mg/L).
In order to achieve the above object, the present invention provides a kind of process of organic silicon wastewater processing, the method includes Following steps: organic silicon wastewater pass through the ABR anaerobic baffled reactor multi-stage reaction chamber, and in the reaction chamber Acidification reaction is hydrolyzed in grain active carbon and anaerobe, obtains intermediate waste water, while the spoil disposal of the water distribution gas distribution system Pipeline and gas distribution pipeline cooperate spoil disposal and the exhaust of the ABR anaerobic baffled reactor；It is aerobic that the intermediate waste water enters PACT Pond, and flow in the biochemical treatment area in the PACT aerobic tank, side reaction area, settling zone and aggregation recirculating zone and live with powder Property charcoal and aerobic microbiological carry out depth degradation, obtain producing water, while the settling zone and aggregation recirculating zone are by Powdered Activated Carbon The biochemical treatment area is recovered to aerobic microbiological to recycle.
The lower section of one end of the ABR anaerobic baffled reactor is equipped with the first water inlet, and the top of the other end is equipped with first Water outlet, the ABR anaerobic baffled reactor inside include at least two-stage reaction room and water distribution gas distribution system, the reaction chamber string Connection arrangement, the water distribution gas distribution system has layered structure, and the middle part and lower part of ABR anaerobic baffled reactor is arranged in.
The ABR anaerobic baffled reactor has 2-20 order reaction room, and the reaction chamber is cascade, organic silicon wastewater Snake flows successively through reaction chambers at different levels in the ABR anaerobic baffled reactor, in combination with the biochemical action of anaerobe Acidification reaction is hydrolyzed.
Preferably, the ABR anaerobic baffled reactor has 2-10 order reaction room.In use, close to the first water inlet The organic or inorganic pollutant of reaction chamber is more, and the organic or inorganic pollutant close to the reaction chamber of the first water outlet is less, real Split-phase multistage Anaerobic Treatment is showed, while organic silicon wastewater and anaerobe is sufficiently reacted.
The water distribution gas distribution system is arranged in the ABR anaerobic baffled reactor, specifically, the water distribution gas distribution system It is arranged in every order reaction room of the ABR anaerobic baffled reactor.The water distribution gas distribution system has layered structure, including row Mud pipeline, gas distribution pipeline and water distribution pipeline.The first sludge pump outside the mud line connection ABR anaerobic baffled reactor, The reactor is discharged in aging sludge in ABR anaerobic baffled reactor by first sludge pump, improves biochemical effects.It is described The sludge-drainage time of first sludge pump is 0.5-2 hours/day, it is preferred that the sludge-drainage time of first sludge pump is that 0.5-1 is small When/day.Sludge-drainage time can be adjusted according to the specific sludge age and biochemical effects of sludge in actual production.
The middle part and bottom of the ABR anaerobic baffled reactor is arranged in the mud line, and the spoil disposal at middle part is arranged in The reactor can be discharged in the aging sludge for being disturbed due to organic silicon wastewater and moving to the reactor middle and upper part by pipeline. Preferably, the middle part of the ABR anaerobic baffled reactor is equipped with 1-3 layers of mud line, it is furthermore preferred that the ABR is anaerobic baffled The middle part of reactor is equipped with 1 layer of mud line.Preferably, the bottom of the ABR anaerobic baffled reactor is equipped with 1-3 layers of sludge pipe Road, it is furthermore preferred that the bottom of the ABR anaerobic baffled reactor is equipped with 1 layer of mud line.Preferably, the mud line is set It sets in the ABR anaerobic baffled reactor at the height away from bottom of pond 1/3.
The middle part of the ABR anaerobic baffled reactor is arranged in the gas distribution pipeline, and the gas of gas distribution pipeline discharge is sky The reactor is discharged in gas, the methane and hydrogen that the gas distribution pipeline generates organic silicon wastewater hydrolysis acidification, improves described anti- The gaseous environment in device is answered, while disturbing organic silicon wastewater and granular activated carbon, guarantees that the hydrolysis acidification in the reactor is held It is continuous efficiently to carry out.Preferably, the middle part of the ABR anaerobic baffled reactor is equipped with 1-3 layers of gas distribution pipeline, it is furthermore preferred that described The middle part of ABR anaerobic baffled reactor is equipped with 2 layers of gas distribution pipeline.Preferably, the gas distribution pipeline setting is rolled in the ABR anaerobism At height away from bottom of pond 1/3 in flow reactor.
Preferably, the pipeline of the aerator of PACT aerobic tank described in the gas distribution piping connection is filled by the aeration It sets also while providing gas for ABR anaerobic baffled reactor.
The lower part of the ABR anaerobic baffled reactor is arranged in the water distribution pipeline, is evenly distributed with cloth in water distribution pipeline The mouth of a river, part silicone waste water has certain pressure after intake pump and enters water distribution pipeline, with the organic of certain pressure Silicon waste water is discharged into ABR anaerobic baffled reactor from the water distribution mouth of water distribution pipeline, improves snake in the reaction chambers at different levels of the reactor The level of disruption of the organic silicon wastewater of shape flowing promotes hydrolysis acidification reaction, reduces the CODcr value of intermediate waste water.Preferably, institute The lower part for stating ABR anaerobic baffled reactor is equipped with 1-3 layers of water distribution pipeline, it is furthermore preferred that under the ABR anaerobic baffled reactor Portion is equipped with 1 layer of water distribution pipeline.Preferably, the gas distribution pipeline is arranged in the ABR anaerobic baffled reactor away from bottom of pond 1/3 At height.
The water distribution gas distribution system can promote the gas-liquid mixed in the reactor, realize that gas-liquid rises jointly, enhance The hydrolysis acidification of the reactor acts on so that in organic silicon wastewater long-chain macromolecular chain rupture, mentioned for subsequent Aerobic Process for Treatment For advantage.
In the specific embodiment of the present invention, the water distribution gas distribution system in the ABR anaerobic baffled reactor is set There is five-layer structure, from top to bottom respectively the first mud line, the first gas distribution pipeline, the second gas distribution pipeline, water distribution pipeline and Two mud lines, it is common to improve hydrolysis acidification reaction efficiency and Anaerobic Treatment efficiency.
Preferably, the ABR anaerobic baffled reactor lower section be laid with volcanic rock, the volcanic rock with a thickness of 0.5-2 Rice, in the specific embodiment of the present invention, the volcanic rock with a thickness of 1 meter.Volcanic rock has certain acidity, has It is reacted conducive to the hydrolysis acidification of organic silicon wastewater, while volcanic rock minerals rich in and porous structure, is capable of providing and detests Various nutrients and living space needed for oxygen animalcule growth, improve the living environment of anaerobe, improve at anaerobism Manage efficiency and biochemical degree.
There is granular activated carbon, the mesh number of the granular activated carbon is 1-20 mesh, excellent in the ABR anaerobic baffled reactor Choosing, the mesh number of the granular activated carbon is 1-15 mesh, it is furthermore preferred that the mesh number of the granular activated carbon is 1-6 mesh.
Based on the waste water gross mass that ABR anaerobic baffled reactor can accommodate, the quality point of the granular activated carbon Number is 1-15%, it is preferred that the mass fraction of the granular activated carbon is 1-6%.
The volcanic rock and granular activated carbon cooperate, the porous knot of volcanic rock and granular activated carbon with different scale Structure.Volcanic rock provides the porous space being relatively large in diameter for anaerobe, due to volcanic rock heavier mass, is largely gathered in institute The lower part of ABR anaerobic baffled reactor is stated, convenient for forming reaction zone in the lower part of the reactor, anaerobe gathers wherein Collection.
The present inventor it has surprisingly been found that, mesh number is that the granular activated carbon of 1-20 mesh is suitble to the ABR anaerobic baffled anti- Device is answered, the water distribution pipeline and gas distribution pipeline of the water distribution gas distribution system are provided with the disturbance power of machine silicon waste water, so that 1-20 mesh Granular activated carbon can be suspended in the top and middle part of the reactor, even if the waterpower of the organic silicon wastewater in snakelike flowing Under effect, the top and middle part of the reaction chambers at different levels can also remain at, the dosage of the granular activated carbon makes institutes at different levels The living space of enough anaerobes is arranged at the top and middle part of stating reaction chamber, ensures the ABR anaerobic baffled reactor Treatment effeciency.On the other hand, the biggish granular activated carbon of partial size is suitble to containing the organic silicon wastewater compared with multi-pollutant, while cost It is lower.
Contain anaerobism bacterium with high salt in the anaerobe, the anaerobism bacterium with high salt is selected from thermophilic salt anaerobic bacteria, preceding soft salt is detested The combination of one or more of oxygen bacterium, food chitin salt anaerobic bacillus(cillus anaerobicus).The adding proportion of the anaerobism bacterium with high salt is institute State the 0.15-0.3kg/m of reactor volume3, it is preferred that the adding proportion of the anaerobism bacterium with high salt is the reactor volume 0.2-0.25kg/m3, most preferably, the adding proportion of the anaerobism bacterium with high salt is the 0.25kg/m of the reactor volume3.Institute It states and contains organic matter (methanol, siloxanes, chlorosilane etc.), inorganic matter in the organic silicon wastewater of ABR anaerobic baffled reactor processing (hydrochloric acid, sodium chloride, calcium chloride, sodium hydroxide etc.) and high molecular polymer (silicone oil, silicon rubber, silicone resin, silicon intermediate etc.), In addition there are catalyst, surfactant and other auxiliary agents.The anaerobism bacterium with high salt can adapt to organic silicon wastewater CODcr concentration High, acid feature strong, salinity is high, the various chemical substances of efficient degradation organic silicon wastewater improve giving birth to for organic silicon wastewater The property changed is laid a solid foundation for subsequent Aerobic biological process.
It also include acid-producing bacteria and methanogen in the ABR anaerobic baffled reactor, the acid-producing bacteria and methanogen Launch the 0.2 ‰ of the waste water gross mass that quality can accommodate for ABR anaerobic baffled reactor.
The inlet flow-patterm of the ABR anaerobic baffled reactor is 6.5-7.5, it is preferred that the inlet flow-patterm is 7-7.5.It is described The temperature of water inlet is 20-30 DEG C, it is preferred that the temperature of the water inlet is 25-30 DEG C.Organic silicon wastewater is rolled in the ABR anaerobism Hydraulic detention time in flow reactor is 24-48 hours, it is preferred that the hydraulic detention time is 40-48 hours.In this hair In a bright specific embodiment, it is 7-7.5 that the treatment process condition of the ABR anaerobic baffled reactor, which is inlet flow-patterm, into Coolant-temperature gage is 25 DEG C, and hydraulic detention time is 48 hours.
The inlet flow-patterm and temperature of the ABR anaerobic baffled reactor can be with the anaerobe phase interworkings of the reactor It closes, suitable living environment is provided for the anaerobe.Water distribution gas distribution system, volcanic rock and the particle of the reactor are living Property charcoal design parameter can cooperate with the hydraulic detention time and anaerobe, organic silicon wastewater be effectively reduced CODcr value, while improving biodegradability.The BOD5/CODcr of the ABR anaerobic baffled reactor water outlet can be improved to 0.4.
There is Powdered Activated Carbon, the mesh number of the Powdered Activated Carbon in the PACT aerobic tank is in the PACT aerobic tank 30-100 mesh, it is preferred that the mesh number of the Powdered Activated Carbon in the PACT aerobic tank is 30-80 mesh.
Based on the waste water gross mass that PACT aerobic tank can accommodate, the mass fraction of the Powdered Activated Carbon is 1- 15%, it is preferred that the mass fraction of the Powdered Activated Carbon is 1-6%.Powdered Activated Carbon in the PACT aerobic tank it is more Pore structure provides sufficient living space for aerobic microbiological, guarantees the quantity of aerobic microbiological, and then ensures that intermediate waste water exists Treatment effect in PACT aerobic tank.
The present inventor it has surprisingly been found that, mesh number be 30-100 mesh powder active carbon be suitble to the PACT aerobic tank, 30-100 mesh powder active carbon can be suspended in the biochemical treatment area of the PACT aerobic tank, and the centre by Anaerobic Treatment is useless The molecular weight of the pollutant of water is reduced, and mesh number provides biggish specific surface area for 30-100 mesh powder active carbon, favorably In the absorption of pollutant and aerobic microbiological, treatment effeciency is improved.
The PACT aerobic tank includes biochemical treatment area, side reaction area, settling zone and aggregation recirculating zone, the biochemical treatment Area, side reaction area and settling zone are successively distributed in the PACT aerobic tank side by side, and the aggregation recirculating zone is arranged in settling zone. After the Anaerobic Treatment of the ABR anaerobic baffled reactor, CODcr value decreases organic silicon wastewater, and biodegradability improves, Further progress depth degradation in the PACT aerobic tank is entered back into handle.
The one end in the biochemical treatment area of the PACT aerobic tank is equipped with the second water inlet, and intermediate waste water is intake from described second Mouth enters the biochemical treatment area, and the level of disruption of the intermediate waste water in biochemical treatment area is larger, is conducive to intermediate waste water and powder Active carbon comes into full contact with.Mesh number is that 30-100 mesh powder active carbon is mainly distributed on biochemical treatment area, aerobic microbiological life The Powdered Activated Carbon it is porous in, the segment of Organic substance in water is given up in centre by Anaerobic Treatment and molecular weight reduces, and holds Easily into the Powdered Activated Carbon it is porous in, and by aerobic degradation.
Preferably, the lower section in the biochemical treatment area is equipped with aerator, and the aerator passes through aeration mode preferably Oxygen animalcule provides oxygen.The aerator is conventional aeration device.
The side reaction area is arranged between biochemical treatment area and settling zone, biochemical treatment area is distinguished with precipitating, institute The level of disruption for stating the intermediate waste water in side reaction area is smaller than biochemical treatment area, is the transition part of biochemical treatment area and settling zone Point.Also Powdered Activated Carbon has been launched in the side reaction area, after intermediate waste water enters side reaction area from biochemical treatment area, still into Row biodegrade.Due to the catabolite of the pollutant or pollutant that are attached in intermediate waste water, simultaneously because sludge age is larger, it is good Oxygen animalcule Mortality, amount of powder quality of activated carbon increase, and enter the settling zone with intermediate waste water.Preferably, in Between flowing of the waste water between the biochemical treatment area, side reaction area and settling zone use micro- pulling flow type.
The side in side reaction area is arranged in the settling zone, and intermediate waste water is mingled with the biggish Powdered Activated Carbon of sludge age into one Step is deposited in the bucket of settling zone.The settling zone includes at least one bucket, stripping tube, stripping pump and assembles recirculating zone, The aggregation recirculating zone is located at one end of settling zone, and each bucket is furnished with a stripping tube, and one end of the stripping tube is set In the biochemical treatment area, the other end is located in bucket.Preferably, the quantity of the bucket is 2-20, it is furthermore preferred that described The quantity of bucket is 2-8, and the bucket is arranged in array, according to the needs that actual waste water is handled, adjustable bucket and vapour Propose the quantity of pipe.
After the intermediate waste water in part enters the aggregation recirculating zone, the Powdered Activated Carbon and aerobic microbiological being mingled with gradually sink Drop, and enter in the bucket, under the action of stripping pump, the intermediate waste water, aerobic microbiological and powder in the bucket are living Property charcoal returns to that biochemical treatment area, especially sludge age be shorter, Powdered Activated Carbon of lighter weight is in the vapour by the stripping tube Under the action of mentioning pump and stripping tube, biochemical treatment area is returned to；Sludge age is longer, heavier mass Powdered Activated Carbon sinks to the bucket Bottom, wait spoil disposal；Treated, and intermediate waste water forms production water, and the water that produces passes through the second water outlet stream of aggregation recirculating zone PACT aerobic tank out, completion is handled after detection is qualified.Due to it is described aggregation recirculating zone intermediate wastewater flow rate reduction, settling zone The intermediate waste water of other parts constantly flows into aggregation recirculating zone supplement.The bottom of the bucket connects the second spoil disposal by pipeline Pump, sludge-drainage time are 0.5-2 hours/day, it is preferred that the sludge-drainage time of second sludge pump is 0.5-1 hours/day, is passed through Aging sludge in bucket is discharged second sludge pump, improves Biochemical Treatment.It in actual production can be according to sludge Specific sludge age and biochemical effects, adjust sludge-drainage time.
In the settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon flows back into biochemical treatment area, continues to play Biochemical treatment effect, improves the utilization rate of Powdered Activated Carbon and aerobic microbiological, is conducive to continue to reduce intermediate waste water CODcr value.
Aerobic microbiological in the PACT aerobic tank contains high efficiency composition aerobic bacteria, the high efficiency composition aerobic bacteria be through The aerobic bacteria that organic silicon wastewater is tamed is crossed, the adding proportion of the high efficiency composition aerobic bacteria is the PACT aerobic tank volume 0.1-0.4kg/m3, it is preferred that the adding proportion of the high efficiency composition aerobic bacteria is the 0.2- of the PACT aerobic tank volume 0.3kg/m3, most preferably, the adding proportion of the high efficiency composition aerobic bacteria is the 0.3kg/m of the PACT aerobic tank volume3。 The high efficiency composition aerobic bacteria can continue to handle short chain in intermediate waste water or the lesser organic matter of molecular weight or inorganic matter.
The reflux ratio of the aggregation recirculating zone is 1-4 times of organic silicon wastewater total flow, it is preferred that the reflux ratio is to have 1-2 times of machine silicon waste water total flow.Hydraulic detention time of the intermediate waste water in the PACT aerobic tank is 24-48 hours, excellent Choosing, the hydraulic detention time in the PACT aerobic tank is 24-36 hours.The inlet flow-patterm of the PACT aerobic tank is 7-8.5, Preferably, the inlet flow-patterm of the PACT aerobic tank is 7.5-8.The inflow temperature of the PACT aerobic tank is 20-30 DEG C, preferably , the inflow temperature of the PACT aerobic tank is 20-24 DEG C.In the specific embodiment of the present invention, the PACT is good The treatment process condition in oxygen pond is that inlet flow-patterm is 7-8.5, and inflow temperature is 24 DEG C, and hydraulic detention time is 24 hours.
The inlet flow-patterm and temperature of the PACT aerobic tank can cooperate with the aerobic microbiological, be described aerobic micro- Biology provides suitable living environment.The biochemical treatment area, side reaction area, settling zone and the design and powder of assembling recirculating zone The design parameter of active carbon can mutually match with hydraulic detention time, reflux ratio and the aerobic microbiological in the PACT aerobic tank It closes, the CODcr value of intermediate waste water is effectively reduced, so that the CODCcr value that PACT aerobic tank produces water is no more than 100mg/L.
Preferably, organic silicon wastewater can be pre-processed before entering the ABR anaerobic baffled reactor, described The front of ABR anaerobic baffled reactor can also successively include oil partiting precipitation pool, homogeneous pond, flotation tank and neutralize flocculation sedimentation Pond.Light oil and heavy oil pollutant, solid impurity in the oil partiting precipitation pool removal organic silicon wastewater.The homogeneous pond equilibrium tune The variation of the water quality, water and water temperature of organic silicon wastewater is saved, the inconsistency for reducing organic silicon wastewater is anaerobic baffled to subsequent ABR The impact of reactor influences.The flotation tank adsorbs and removes the fine particle pollutant in organic silicon wastewater.The neutralization Flocculation sedimentation tank further removes the superfine small particles of pollution object in organic silicon wastewater, while adjusting the pH value of organic silicon wastewater, To adapt to the existence of subsequent anaerobe.
Preferably, producing after water flows out the PACT aerobic tank can be post-processed, and the rear of the PACT aerobic tank is also It can successively include secondary settling tank and water outlet detection cell.After the sedimentation in secondary sedimentation tank separating treatment produce water in Powdered Activated Carbon and The substances such as microorganism.The water outlet detection cell collects that treated produces water, and sample detection, and after detection is qualified, discharge produces water.
Preferably, the process of organic silicon wastewater processing of the present invention includes: (a) pretreatment: removal organosilicon Oil and solid impurity in waste water, uniform water quality adjust pH value；(b) Anaerobic Treatment: organic silicon wastewater, which enters the ABR, to be detested Oxygen baffled reactor is dropped under the action of the water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock Solution, obtains intermediate waste water；(c) Aerobic Process for Treatment: the intermediate waste water enter the PACT aerobic tank, the biochemical treatment area, Depth degradation is carried out under the action of side reaction area, settling zone, aggregation recirculating zone, Powdered Activated Carbon and aerobic microbiological, is produced Water.
Preferably, the process the following steps are included:
(1) organic silicon wastewater successively by the oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, goes Except the oil and solid impurity in organic silicon wastewater, uniform water quality adjusts pH value；
(2) granular activated carbon that mesh number is 1-20 mesh is launched in the ABR anaerobic baffled reactor, it is anaerobic baffled with ABR Based on the waste water gross mass that reactor can accommodate, the mass fraction of the granular activated carbon is 1-15%；Detest described in dispensing Oxygen animalcule, wherein the adding proportion of anaerobism bacterium with high salt is the 0.15-0.3kg/m of the reactor volume3；In the reactor The volcanic rock that bottom laying depth is 0.5-2 meters；
(3) organic silicon wastewater enters the ABR anaerobic baffled reactor, and the temperature of inlet flow-patterm 6.5-7.5, water inlet are 20-30℃；Organic silicon wastewater under the action of the water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock into Row degradation, the hydraulic detention time of Anaerobic Treatment are 24-48 hours, obtain intermediate waste water；
(4) mesh number is launched in the PACT aerobic tank is 30-100 mesh powder active carbon, can be held with PACT aerobic tank Based on the waste water gross mass received, the mass fraction of the Powdered Activated Carbon is 1-15%；The aerobic microbiological is launched, wherein The adding proportion of high efficiency composition aerobic bacteria is the 0.1-0.4kg/m of the PACT aerobic tank volume3；
(5) the intermediate waste water that the step (3) obtains enters the biochemical treatment area of the PACT aerobic tank, inlet flow-patterm 7- 8.5 the temperature of water inlet is 20-30 DEG C；The intermediate waste water is in the aerobic microbiological of the step (5) and the work of Powdered Activated Carbon Depth degradation is carried out under, then successively passes through the side reaction area and settling zone, obtains producing water, and flow out PACT aerobic tank, it is good The hydraulic detention time of oxygen processing is 24-48 hours；
(6) when the intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon flows back through overbunching Area returns to biochemical treatment area and utilizes again, and sludge age is longer, heavier mass Powdered Activated Carbon is fallen into the bucket of settling zone side by side PACT aerobic tank out, sludge-drainage time are 0.5-2 hours/day, and the reflux ratio of the aggregation recirculating zone is organic silicon wastewater total flow 1-4 times；
(7) the production water that the step (5) obtains is successively by the secondary settling tank and water outlet detection cell, after detection is qualified, row Produce water.
Due to the adoption of the above technical scheme, the invention has the following advantages:
1, ABR anaerobic baffled reactor of the present invention realizes split-phase multistage anoxic treatment and gas-liquid mixed is common Rise, so that sewage and microorganism sufficiently react, increases the hydrolysis acidification effect of anaerobism, promotion segment is longer, molecular weight is larger Organic matter degradation, improve the biodegradability of organic silicon wastewater.
2, ABR anaerobic baffled reactor of the present invention can be improved the impact resistance of biochemical system, so that department of biochemistry System even running, CODcr removal rate improve.
3, technical solution provided by the invention to produce water CODcr≤100mg/L, reaches " integrated wastewater discharge standard " First grade discharging index in GB8978-1996, higher than the CODcr of common A/O technique, the region stringent for discharge index, Low CODcr can be such that the investment cost and operating cost of the deep oxidation of end substantially reduces.
Detailed description of the invention
Fig. 1 show the flow chart of the process of organic silicon wastewater processing of the invention
Fig. 2 show the structural schematic diagram of ABR anaerobic baffled reactor 1
Fig. 3 show the water distribution gas distribution system structural schematic diagram of ABR anaerobic baffled reactor 1
Fig. 4 show the structural schematic diagram of PACT aerobic tank 5
Attached drawing, 1-ABR anaerobic baffled reactor, the first water inlet of 101-, the first water outlet of 102-, 103- reaction chamber, 104- exhaust outlet, the first mud line of 105-, the second mud line of 106-, 107- water distribution pipeline, 108- the first gas distribution pipeline, 109- the second gas distribution pipeline, 2- intake pump, the first sludge pump of 3-, 4- volcanic rock, 5-PACT aerobic tank, 501- biochemical treatment area, 502- side reaction area, the settling zone 503-, 504- aggregation recirculating zone, the second water inlet of 505-, 506- bucket, 507- stripping tube, The second water outlet of 508-, the second sludge pump of 6-.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched It states, the content of embodiment should not be construed as limiting the scope of the present invention.
Embodiment 1
The flow chart of the process of the organic silicon wastewater processing of the present embodiment is as shown in Figure 1, organic silicon wastewater is entering Pre-processed before ABR anaerobic baffled reactor 1, organic silicon wastewater successively pass through oil partiting precipitation pool, homogeneous pond, flotation tank and Neutralize flocculation sedimentation tank.Oil partiting precipitation pool removes the light oil and heavy oil pollutant, solid impurity in organic silicon wastewater.Homogeneous pond is equal Weighing apparatus adjusts the variation of the water quality, water and water temperature of waste water, reduces the inconsistency of waste water to subsequent ABR anaerobic baffled reactor 1 Impact influence.Flotation tank adsorbs and removes the fine particle pollutant in waste water.Flocculation sedimentation tank is neutralized further to remove Superfine small particles of pollution object in waste water, while the pH value of waste water is adjusted, it is micro- with the anaerobism for adapting to ABR anaerobic baffled reactor 1 The existence of biology.
Organic silicon wastewater carries out Anaerobic Treatment after pretreatment, into ABR anaerobic baffled reactor 1, obtains intermediate useless Water, intermediate waste water enter back into PACT aerobic tank and carry out Aerobic Process for Treatment, obtain producing water, after carrying out after production water outflow PACT aerobic tank Reason produces water and successively passes through secondary settling tank and water outlet detection cell.Sedimentation in secondary sedimentation tank separation produces Powdered Activated Carbon and microorganism in water etc. Substance.It is discharged detection cell and collects production water, and sample detection, after detection is qualified, discharge produces water.
The structural schematic diagram of the ABR anaerobic baffled reactor 1 of the present embodiment is as shown in Fig. 2, ABR anaerobic baffled reactor 1 The lower section of one end be equipped with the first water inlet 101, the top of the other end is equipped with the first water outlet 102.ABR anaerobic baffled reactor 1 is equipped with 6 order reaction room, 103,6 order reaction room 103 as cascade, and exhaust outlet 104 is equipped with above every order reaction room 103, will be detested Oxygen processing generate gas be discharged ABR anaerobic baffled reactor 1, organic silicon wastewater crawl in ABR anaerobic baffled reactor 1 according to It is secondary to flow through reaction chambers 103 at different levels, acidification reaction is hydrolyzed in combination with the biochemical action of anaerobe.In use, organic Silicon waste water enters the 1st order reaction room from the first water inlet 101, then successively passes through the 2nd grade, 3rd level, the 4th grade, the 5th grade and the 6th grade Reaction chamber finally flows out ABR anaerobic baffled reactor 1 from the first water outlet 102, in the reaction chamber of the first water inlet 101 Organic or inorganic pollutant is more, and organic or inorganic pollutant is less in the reaction chamber of the first water outlet 102, realizes point Phase multistage Anaerobic Treatment, while organic silicon wastewater and anaerobe are sufficiently reacted.
The bottom of ABR anaerobic baffled reactor 1 is laid with volcanic rock 4, volcanic rock 4 with a thickness of 1 meter, volcanic rock 4 is conducive to The hydrolysis acidification of waste water reacts, while the minerals rich in of volcanic rock 4 and porous structure, and it is raw to be capable of providing anaerobe Long required various nutrients and living space, improve the living environment of anaerobe, improve waste water treatment efficiency and can Biochemical.
The water distribution gas distribution system structural schematic diagram of the ABR anaerobic baffled reactor 1 of the present embodiment is as shown in figure 3, Fig. 3 is Every order reaction room of ABR anaerobic baffled reactor 1 is arranged in the side view of ABR anaerobic baffled reactor 1, water distribution gas distribution system In 103, i.e., equipped with a set of water distribution gas distribution system in every order reaction room, at the height away from bottom of pond 1/3, water distribution gas distribution system has five Layer structure, from top to bottom respectively the first mud line 105, the first gas distribution pipeline 108, the second gas distribution pipeline 109, water distribution pipeline 107 and second mud line 106, each function pipeline interlaced arrangement it is common to improve hydrolysis acidification reaction efficiency and Anaerobic Treatment effect Rate.
The aging sludge that disturbed due to organic silicon wastewater and move to middle top can be discharged for first mud line 105 ABR anaerobic baffled reactor 1.The aging sludge of 1 bottom of ABR anaerobic baffled reactor can be discharged for second mud line 106. First mud line 105 and the second mud line 106 connect the first sludge pump 3, by the aging in ABR anaerobic baffled reactor 1 Sludge discharge, improves Biochemical Treatment.
First gas distribution pipeline 108 and the gas of the second gas distribution pipeline 109 discharge are air, to ABR anaerobic baffled reactor 1 In volcanic rock and granular activated carbon carry out blowback, prevent it is hardened, while the methane that organic silicon wastewater hydrolysis acidification is generated and ABR anaerobic baffled reactor 1 is discharged in hydrogen, improves gaseous environment, guarantees that hydrolysis acidification persistently carries out.
Water distribution mouth is evenly distributed in water distribution pipeline 107, organic silicon wastewater is gone forward side by side after intake pump 2 with certain pressure Enter water distribution pipeline 107, the waste water with certain pressure is discharged into ABR anaerobic baffled reactor 1 from water distribution mouth, can be improved at different levels anti- The level of disruption of the organic silicon wastewater of snakelike flowing in room 103 is answered, promotes hydrolysis acidification reaction, reduces the CODcr value of water outlet.
The structural schematic diagram of the PACT aerobic tank 5 of the present embodiment is as shown in figure 4, PACT aerobic tank 5 includes biochemical treatment area 501, side reaction area 502, settling zone 503 and aggregation recirculating zone 504.Biochemical treatment area 501, side reaction area 502 and settling zone 504 It is successively distributed in PACT aerobic tank 5 side by side, aggregation recirculating zone 504 is arranged in settling zone 503.Organic silicon wastewater is detested by ABR After the Anaerobic Treatment of oxygen baffled reactor 1, CODcr value decreases, biodegradability improve, enter back into PACT aerobic tank 5 into One step carries out Aerobic Process for Treatment.
The top of PACT aerobic tank 5 is equipped with the second water inlet 505, and organic silicon wastewater enters biochemical from the second water inlet 505 Treatment region 501, mesh number are that 30-100 mesh powder active carbon is mainly distributed on biochemical treatment area 501, and aerobic microbiological is lived in Powdered Activated Carbon it is porous in, conventional aeration device is located at the lower section in biochemical treatment area 501, the waste water in biochemical treatment area 501 Level of disruption is larger, is conducive to waste water and comes into full contact with Powdered Activated Carbon.
Side reaction area 502 is arranged between biochemical treatment area 501 and settling zone 503, by biochemical treatment area 501 and settling zone 503 are separated, the level of disruption of waste water is smaller than biochemical treatment area 501 in side reaction area 502, is transition portion.Side reaction area Also Powdered Activated Carbon has been launched in 502 still carries out biology after intermediate waste water enters side reaction area 502 from biochemical treatment area 501 Degradation.Due to the catabolite of the pollutant or pollutant that are attached in intermediate waste water, simultaneously because sludge age is larger, aerobic micro- life Object Mortality, amount of powder quality of activated carbon increases, and enters settling zone 503 with intermediate waste water.Intermediate waste water is at biochemistry The flowing managed between area 501, side reaction area 502 and settling zone 503 uses micro- pulling flow type.
Settling zone 503 includes that eight buckets 506 and eight stripping tubes 507, stripping pump, aggregation recirculating zone 504 and second go out The mouth of a river 508, each bucket 506 are furnished with a stripping tube 507, and one end of stripping tube 507 is located at biochemical treatment area 501, the other end It is located in bucket 506, the second water outlet 508 is located at the side of aggregation recirculating zone 504.
After the intermediate waste water in part enters aggregation recirculating zone 504, the Powdered Activated Carbon and aerobic microbiological being mingled with gradually are settled, And enter in bucket 506, under the action of stripping pump, the intermediate waste water, aerobic microbiological and Powdered Activated Carbon in bucket 506 are logical It crosses stripping tube 507 and returns to that biochemical treatment area 501, especially sludge age be shorter, Powdered Activated Carbon of lighter weight is in stripping pump and vapour Under the action of mentioning pipe 507, biochemical treatment area 501 is returned to；Sludge age is longer, heavier mass Powdered Activated Carbon sinks to bucket 506 Bottom waits spoil disposal；Treated, and intermediate waste water forms production water, produces second water outlet 508 stream of the water by aggregation recirculating zone 504 PACT aerobic tank 5 out, completion is handled after detection is qualified.Due to the reduction of the intermediate wastewater flow rate of aggregation recirculating zone 504, settling zone The intermediate waste water of 503 other parts constantly flows into aggregation recirculating zone 504 and supplements.The bottom of bucket 506 passes through pipeline connection the Aging sludge in bucket 506 is discharged two sludge pumps 6.
In settling zone 503, sludge age is shorter, lighter weight Powdered Activated Carbon flows back into biochemical treatment area 501, after supervention Biochemical treatment effect is waved, the utilization rate of Powdered Activated Carbon and aerobic microbiological is improved, is conducive to continue to reduce intermediate waste water CODcr value.
Embodiment 2
The ABR anaerobic baffled reactor of the present embodiment, PACT aerobic tank and embodiment 1 ABR anaerobic baffled reactor, PACT aerobic tank is identical.
The present embodiment organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 6 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 6% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.25kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 7-7.5, and the temperature of water inlet is 25 DEG C；Have Machine silicon waste water is degraded under the action of water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock, Anaerobic Treatment Hydraulic detention time be 48 hours, obtain intermediate waste water；
(4) it is 80 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 6% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.3kg/m3；
(5) the intermediate waste water that step (4) obtains enters the biochemical treatment area of PACT aerobic tank, inlet flow-patterm 7.5-8, water inlet Temperature be 24 DEG C；Intermediate waste water carries out depth degradation under the action of the aerobic microbiological and Powdered Activated Carbon of step (5), then Successively pass through side reaction area and settling zone, obtain producing water, and flow out PACT aerobic tank, the hydraulic detention time of Aerobic Process for Treatment be for 24 hours；
(6) when intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon is returned through overbunching recirculating zone It is utilized again to biochemical treatment area, sludge age is longer, heavier mass Powdered Activated Carbon falls into the bucket of settling zone and is discharged PACT aerobic tank, sludge-drainage time are 0.5 hour/day, and the reflux ratio for assembling recirculating zone is 2 times of organic silicon wastewater total flow；
(7) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
Comparative example 1
The PACT aerobic tank of this comparative example and the PACT aerobic tank of embodiment 1 are identical, and the ABR of this comparative example is anaerobic baffled anti- Answering in device does not have water distribution gas distribution system.
This comparative example organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 6 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 6% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.25kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 7-7.5, and the temperature of water inlet is 25 ± 3 DEG C； Organic silicon wastewater is degraded under the action of anaerobe, granular activated carbon and volcanic rock, the hydraulic retention of Anaerobic Treatment Time is 48 hours, obtains intermediate waste water；
(4) it is 80 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 6% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.3kg/m3；
(5) the intermediate waste water that step (4) obtains enters the biochemical treatment area of PACT aerobic tank, inlet flow-patterm 7.5-8, water inlet Temperature be 24 ± 2 DEG C；Intermediate waste water carries out depth drop under the action of the aerobic microbiological and Powdered Activated Carbon of step (5) Solution, then successively pass through side reaction area and settling zone, obtains producing water, and flows out PACT aerobic tank, when the hydraulic retention of Aerobic Process for Treatment Between be 48 hours；
(6) when intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon is returned through overbunching recirculating zone It is utilized again to biochemical treatment area, sludge age is longer, heavier mass Powdered Activated Carbon falls into the bucket of settling zone and is discharged PACT aerobic tank, sludge-drainage time are 0.5 hour/day, and the reflux ratio for assembling recirculating zone is 2 times of organic silicon wastewater total flow；
(7) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
Comparative example 2
The ABR anaerobic baffled reactor of this comparative example and the ABR anaerobic baffled reactor of embodiment 1 are identical, this comparative example PACT aerobic tank in do not distinguish biochemical treatment area, flow blocking area, settling zone and aggregation recirculating zone.
This comparative example organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 6 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 6% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.25kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 7-7.5, and the temperature of water inlet is 25 ± 3 DEG C； Organic silicon wastewater is degraded under the action of water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock, at anaerobism The hydraulic detention time of reason is 48 hours, obtains intermediate waste water；
(4) it is 80 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 6% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.3kg/m3；
(5) the intermediate waste water that step (4) obtains enters PACT aerobic tank, inlet flow-patterm 7.5-8, and the temperature of water inlet is 24 ± 2℃；Intermediate waste water carries out depth degradation under the action of the aerobic microbiological and Powdered Activated Carbon of step (5), obtains producing water, and PACT aerobic tank is flowed out, the hydraulic detention time of Aerobic Process for Treatment is 48 hours；
(6) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
The flow velocity of the organic silicon wastewater of embodiment 2 and comparative example 1-2 is 2.5L/h, after three days trial operations, The intermediate waste water of water outlet, the outflow of ABR anaerobic baffled reactor and the production water of PACT aerobic tank outflow for neutralizing flocculation sedimentation tank take Sample, and CODcr and BOD value is detected, testing result such as table 1:
The comparison of the treatment effect of 1 embodiment 2 of table and comparative example 1-2
In table 1, embodiment 2 yields good result organic silicon wastewater processing, and intermediate waste water COD and BOD are respectively 325 and 15.4mg/L, production water COD are 98.4mg/L.Water distribution gas distribution system, ABR anaerobic baffled reactor are not provided in comparative example 1 Biochemical Treatment and the biodegradability of intermediate waste water be decreased obviously, intermediate waste water COD and BOD are respectively 679 and 2.5mg/ L produces water COD and also rises to 180mg/L.Biochemical treatment area, flow blocking area, settling zone are not distinguished in the PACT aerobic tank of comparative example 2 With aggregation recirculating zone, aerobic treatment effect is decreased obviously, and is produced water COD and is also risen to 200mg/L.
Embodiment 3
The ABR anaerobic baffled reactor of the present embodiment, PACT aerobic tank and embodiment 1 ABR anaerobic baffled reactor, PACT aerobic tank is identical.
The present embodiment organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 1 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 1% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.2kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 6.5-7, and the temperature of water inlet is 30 DEG C；Have Machine silicon waste water is degraded under the action of water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock, Anaerobic Treatment Hydraulic detention time be 40 hours, obtain intermediate waste water；
(4) it is 30 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 1% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.2kg/m3；
(5) the intermediate waste water that step (4) obtains enters the biochemical treatment area of PACT aerobic tank, inlet flow-patterm 7-7.5, water inlet Temperature be 20 DEG C；Intermediate waste water carries out depth degradation under the action of the aerobic microbiological and Powdered Activated Carbon of step (5), then Successively pass through side reaction area and settling zone, obtain producing water, and flow out PACT aerobic tank, the hydraulic detention time of Aerobic Process for Treatment be for 36 hours；
(6) when intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon is returned through overbunching recirculating zone It is utilized again to biochemical treatment area, sludge age is longer, heavier mass Powdered Activated Carbon falls into the bucket of settling zone and is discharged PACT aerobic tank, sludge-drainage time are 0.5 hour/day, and the reflux ratio for assembling recirculating zone is 2 times of organic silicon wastewater total flow；
(7) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
Embodiment 4
The ABR anaerobic baffled reactor of the present embodiment, PACT aerobic tank and embodiment 1 ABR anaerobic baffled reactor, PACT aerobic tank is identical.
The present embodiment organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 15 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 15% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.3kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 7-7.5, and the temperature of water inlet is 20 DEG C；Have Machine silicon waste water is degraded under the action of water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock, Anaerobic Treatment Hydraulic detention time be 24 hours, obtain intermediate waste water；
(4) it is 100 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 15% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.4kg/m3；
(5) the intermediate waste water that step (4) obtains enters the biochemical treatment area of PACT aerobic tank, inlet flow-patterm 8-8.5, water inlet Temperature be 30 DEG C；Intermediate waste water carries out depth degradation under the action of the aerobic microbiological and Powdered Activated Carbon of step (5), then Successively pass through side reaction area and settling zone, obtain producing water, and flow out PACT aerobic tank, the hydraulic detention time of Aerobic Process for Treatment be for 48 hours；
(6) when intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon is returned through overbunching recirculating zone It is utilized again to biochemical treatment area, sludge age is longer, heavier mass Powdered Activated Carbon falls into the bucket of settling zone and is discharged PACT aerobic tank, sludge-drainage time are 0.5 hour/day, and the reflux ratio for assembling recirculating zone is 1 times of organic silicon wastewater total flow；
(7) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
Embodiment 5
The ABR anaerobic baffled reactor of the present embodiment, PACT aerobic tank and embodiment 1 ABR anaerobic baffled reactor, PACT aerobic tank is identical.
The present embodiment organic silicon wastewater processing process the following steps are included:
(1) organic silicon wastewater successively passes through oil partiting precipitation pool, homogeneous pond, flotation tank and neutralizes flocculation sedimentation tank, and removal has Oil and solid impurity in machine silicon waste water, uniform water quality adjust pH value, detect CODcr the and BOD value of organic silicon wastewater；
(2) granular activated carbon that mesh number is 5 mesh is launched in ABR anaerobic baffled reactor, granular activated carbon additive amount occupies The 6% of machine silicon waste water quality；Thermophilic salt anaerobic bacteria is launched, the adding proportion of thermophilic salt anaerobic bacteria is the 0.15kg/m of reactor volume3； The volcanic rock for being 1 meter in reactor bottom laying depth；
(3) organic silicon wastewater enters ABR anaerobic baffled reactor, inlet flow-patterm 7-7.5, and the temperature of water inlet is 20 DEG C；Have Machine silicon waste water is degraded under the action of water distribution gas distribution system, anaerobe, granular activated carbon and volcanic rock, Anaerobic Treatment Hydraulic detention time be 48 hours, obtain intermediate waste water；
(4) it is 60 mesh powder active carbons that mesh number is launched in PACT aerobic tank, and it is useless that Powdered Activated Carbon additive amount accounts for organosilicon The 6% of water quality；High efficiency composition aerobic bacteria is launched, wherein the adding proportion of high efficiency composition aerobic bacteria is reactor volume 0.1kg/m3；
(5) the intermediate waste water that step (4) obtains enters the biochemical treatment area of PACT aerobic tank, inlet flow-patterm 7.5-8, water inlet Temperature be 22 DEG C；Intermediate waste water carries out depth degradation under the action of the aerobic microbiological and Powdered Activated Carbon of step (5), then Successively pass through side reaction area and settling zone, obtain producing water, and flow out PACT aerobic tank, the hydraulic detention time of Aerobic Process for Treatment be for 30 hours；
(6) when intermediate waste water is by settling zone, sludge age is shorter, lighter weight Powdered Activated Carbon is returned through overbunching recirculating zone It is utilized again to biochemical treatment area, sludge age is longer, heavier mass Powdered Activated Carbon falls into the bucket of settling zone and is discharged PACT aerobic tank, sludge-drainage time are 0.5 hour/day, and the reflux ratio for assembling recirculating zone is 4 times of organic silicon wastewater total flow；
(7) the production water that step (5) obtains successively passes through secondary settling tank and water outlet detection cell, and after detection is qualified, discharge produces water.
The flow velocity of the organic silicon wastewater of embodiment 2-5 is 5L/h, after three days trial operations, in and flocculation sedimentation The production water sampling of the water outlet in pond and the outflow of PACT aerobic tank, and CODcr value is detected, testing result such as table 2:
The treatment effect of 2 embodiment 2-5 of table compares
In table 2, the processing of embodiment 2 and 3 pair organic silicon wastewater is yielded good result, and producing water COD is respectively 96.8 Hes The effect of 89.3mg/L, the processing of embodiment 4 and 5 pair organic silicon wastewater are slightly worse, and producing water COD is respectively 103.2 and 99.8mg/L, reality It applies after a 2-5 handles the organic silicon wastewater that influent COD is 1500mg/L or so and has all basically reached primary standard.

Claims (10)

1. a kind of process of organic silicon wastewater processing, which is characterized in that the described method comprises the following steps: organic silicon wastewater By the multi-stage reaction chamber of the ABR anaerobic baffled reactor, and in the reaction chamber granular activated carbon and the micro- life of anaerobism Acidification reaction is hydrolyzed in object, obtains intermediate waste water, while the mud line of the water distribution gas distribution system and the cooperation of gas distribution pipeline The spoil disposal of the ABR anaerobic baffled reactor and exhaust；The intermediate waste water enters PACT aerobic tank, and aerobic in the PACT Flowed in the biochemical treatment area in pond, side reaction area, settling zone and aggregation recirculating zone and with Powdered Activated Carbon and aerobic microbiological into Row depth degradation obtains producing water, while Powdered Activated Carbon and aerobic microbiological are recovered to by the settling zone and aggregation recirculating zone The biochemical treatment area recycles.
2. the process of organic silicon wastewater processing according to claim 1, which is characterized in that the ABR is anaerobic baffled The lower section of one end of reactor is equipped with the first water inlet, and the top of the other end is equipped with the first water outlet, and the ABR is anaerobic baffled anti- It answers inside device including at least two-stage reaction room and water distribution gas distribution system, the reaction chamber arranged in series；The water distribution gas distribution system With layered structure, and the middle part and lower part of ABR anaerobic baffled reactor are set, under the ABR anaerobic baffled reactor Side is laid with volcanic rock.
3. the process of organic silicon wastewater processing according to claim 2, which is characterized in that the water distribution gas distribution system With layered structure, including mud line, gas distribution pipeline and water distribution pipeline, the mud line setting is rolled in the ABR anaerobism The middle part of ABR anaerobic baffled reactor is arranged in the middle part and bottom of flow reactor, the gas distribution pipeline, and the water distribution pipeline is set It sets in the lower part of ABR anaerobic baffled reactor.
4. the process of organic silicon wastewater processing according to claim 1, which is characterized in that the ABR is anaerobic baffled The mesh number of granular activated carbon in reactor is 1-20 mesh；The inlet flow-patterm of the ABR anaerobic baffled reactor is 6.5-7.5.
5. the process of organic silicon wastewater processing according to claim 1, which is characterized in that in the anaerobe Containing anaerobism bacterium with high salt, the adding proportion of the anaerobism bacterium with high salt is the 0.15- of the ABR anaerobic baffled reactor volume 0.3kg/m3。
6. the process of organic silicon wastewater processing according to claim 1, which is characterized in that in the PACT aerobic tank Powdered Activated Carbon mesh number be 30-100 mesh.
7. the process of organic silicon wastewater processing according to claim 1, which is characterized in that the PACT aerobic tank packet Biochemical treatment area, side reaction area, settling zone and aggregation recirculating zone are included, the biochemical treatment area, side reaction area and settling zone are successively It is distributed in the PACT aerobic tank side by side, the aggregation recirculating zone is arranged in settling zone.
8. the process of organic silicon wastewater processing according to claim 7, which is characterized in that the settling zone includes extremely A few bucket, stripping tube, stripping pump and aggregation recirculating zone, the aggregation recirculating zone is located at one end of settling zone, each described Bucket is furnished with a stripping tube, and one end of the stripping tube is located at the biochemical treatment area, and the other end is located in bucket.
9. the process of organic silicon wastewater processing according to claim 1, which is characterized in that the high efficiency composition is aerobic The adding proportion of bacterium is the 0.1-0.4kg/m of the PACT aerobic tank volume3。
10. the process of organic silicon wastewater processing according to claim 1, which is characterized in that the aggregation recirculating zone Reflux ratio be 1-4 times of organic silicon wastewater total flow, the inlet flow-patterm of the PACT aerobic tank is 7-8.5.
CN201910574830.8A 2019-06-28 2019-06-28 Process method for treating organic silicon wastewater Active CN110282826B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112390466A (en) * 2020-11-10 2021-02-23 云南能投化工有限责任公司 HCL-containing organic silicon wastewater treatment process and device
CN112794573A (en) * 2020-12-30 2021-05-14 江苏南大华兴环保科技股份公司 Cooperative treatment method and device for low-nitrogen low-COD wastewater

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007093523A1 (en) * 2006-02-16 2007-08-23 Wacker Chemie Ag Method for the anaerobic degradation of organosilicon compounds by bacteria of the genus parac0ccus
CN102001800A (en) * 2010-12-28 2011-04-06 泸州北方化学工业有限公司 Method for purifying wastewater containing organosilicon
CN102515437A (en) * 2011-12-21 2012-06-27 江苏省环境科学研究院 Chemical industry park's wastewater bio-treatment apparatus and method thereof
CN105347612A (en) * 2015-10-30 2016-02-24 无锡市嘉邦电力管道厂 Organosilicon-containing wastewater purifying treatment method
CN107445392A (en) * 2017-07-25 2017-12-08 上海问鼎环保科技有限公司 Organosilicon produces the high-efficient treatment method of waste water
CN109399867A (en) * 2018-12-11 2019-03-01 江西蓝星星火有机硅有限公司 A kind of biochemical processing method of organic silicon wastewater

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007093523A1 (en) * 2006-02-16 2007-08-23 Wacker Chemie Ag Method for the anaerobic degradation of organosilicon compounds by bacteria of the genus parac0ccus
CN102001800A (en) * 2010-12-28 2011-04-06 泸州北方化学工业有限公司 Method for purifying wastewater containing organosilicon
CN102515437A (en) * 2011-12-21 2012-06-27 江苏省环境科学研究院 Chemical industry park's wastewater bio-treatment apparatus and method thereof
CN105347612A (en) * 2015-10-30 2016-02-24 无锡市嘉邦电力管道厂 Organosilicon-containing wastewater purifying treatment method
CN107445392A (en) * 2017-07-25 2017-12-08 上海问鼎环保科技有限公司 Organosilicon produces the high-efficient treatment method of waste water
CN109399867A (en) * 2018-12-11 2019-03-01 江西蓝星星火有机硅有限公司 A kind of biochemical processing method of organic silicon wastewater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112390466A (en) * 2020-11-10 2021-02-23 云南能投化工有限责任公司 HCL-containing organic silicon wastewater treatment process and device
CN112794573A (en) * 2020-12-30 2021-05-14 江苏南大华兴环保科技股份公司 Cooperative treatment method and device for low-nitrogen low-COD wastewater

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