CN108033633A - A kind of triethylamine comprehensive treatment method for wastewater - Google Patents
A kind of triethylamine comprehensive treatment method for wastewater Download PDFInfo
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- CN108033633A CN108033633A CN201711309289.5A CN201711309289A CN108033633A CN 108033633 A CN108033633 A CN 108033633A CN 201711309289 A CN201711309289 A CN 201711309289A CN 108033633 A CN108033633 A CN 108033633A
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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
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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
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- 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
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of triethylamine comprehensive treatment method for wastewater, comprise the following steps：A, flocculation basin is entered behind the adjusted pond of triethylamine waste water；B, waste water enters primary sedimentation tank removing insoluble material after flocculating；C, waste water enters one-stage hydrolysis pool, is acted on through hydrolytic bacteria in sludge and acidifying bacterium, improves the BOD/COD ratios of waste water；D, waste water enters level-one aerobic tank, and organic matter is decomposed into inorganic matter；E, waste water enters secondary settling tank mud-water separation；F, waste water enters two level hydrolytic tank, and the BOD/COD ratios of waste water are improved under the action of hydrolytic bacteria and acidifying bacterium；G, waste water enters two level aerobic tank, and organic matter is decomposed into inorganic matter；H, waste water enters reaction settling basin in three heavy ponds, adds aluminium polychloride, subsequently enters final deposition pool mud-water separation, waste water removes SS, BOD, COD, ammonia, nitrogen, total salt into BAF ponds.Beneficial effects of the present invention, COD≤150 in processed waste water, total salt≤8000, SS≤70, pH=6.0~9.0, improve the quality of recycling waste water, improve waste water treatment efficiency and ability.
Description
Technical field
The invention belongs to high COD chemical wastewater treatment fields, are related to a kind of triethylamine comprehensive treatment method for wastewater.
Background technology
The high general colourity of COD wastewater from chemical industry water quality is very deep, COD high, BOD/COD ratio（Biodegradability）It is low, hard-degraded substance
It is more, cause serious pollution to the environment, it is difficult to handle.At present, the waste water COD produced in triethylamine remanufacture is up to 40000, generally adopts
The method for diluting biochemistry after being handled with Fenton again is handled.Fenton oxidation method key is H in Fenton reagent2O2In Fe2+Catalysis
Under the conditions of produce the hydroxyl radical free radical with strong oxidizing property ability, Fenton reagent when removing useless Organic substance in water, not only according to
By the oxidation of hydroxyl radical free radical, while also there is coagulation.But this Fenton common process technique it is not only of high cost and
COD resolution rates are not high, and also need with a large amount of processing waste water.One kind is mentioned in my house journal CN106186275A and utilizes Fenton process
The method for handling triethylamine sewage, should although this method so that COD resolution rates are up to 80%, reduces the difficulty of subsequent treatment
Method can only reduce COD, and the consumption of hydrogen peroxide, ferrous sulfate is big, and waste water reuse after reprocessing after processing, causes company
Internal circulating water quality reduces, and is unfavorable for producing.
The content of the invention
The purpose of the present invention is to solve the problems, such as present in existing triethylamine wastewater treatment, there is provided a kind of triethylamine waste water
Integrated conduct method.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of triethylamine comprehensive treatment method for wastewater, using following equipment：
Sequentially connected regulating reservoir, flocculation basin, primary sedimentation tank, one-stage hydrolysis pool, level-one aerobic tank, secondary settling tank, intermediate pool, two level
Hydrolytic tank, two level aerobic tank, three heavy ponds, reaction settling basin, final deposition pool, BAF ponds；It is good that secondary settling tank is connected to level-one by pipeline all the way
Oxygen pond, is connected to sludge concentration tank all the way, and three heavy ponds are connected to two level aerobic tank by pipeline, are connected to sludge concentration tank all the way all the way,
Final deposition pool is directly connected to sludge concentration tank；Level-one aerobic tank, two level aerobic tank, BAF ponds are connected with aeration blower respectively；
It is characterised in that it includes following steps：
A, the adjusted pond regulating water quality water of triethylamine waste water, controls 35 DEG C of waste water temperature, PH 6.8-7.2, waste water is with 50m3/h
Flow enter flocculation basin, respectively with the amount of 7kg/h, 2.5kg/h to flocculation basin add flocculant poly aluminium chloride（PAC）, it is poly-
Acrylamide anion（APAM）Flocculate, flocculate residence time 1h；
B, waste water is with 50m3The amount of/h enters primary sedimentation tank, and residence time 1.5-2h, waste water is removed in primary sedimentation tank with filter press
Middle insoluble material（SS, colloid）；
C, in primary sedimentation tank waste water with 50m3The amount of/h enters one-stage hydrolysis pool, after accumulating 20% domestication in one-stage hydrolysis pool containing pond body
Activated sludge, waste water under anoxic concrete conditions in the establishment of a specific crime through activated sludge in hydrolytic bacteria and acidifying bacterium（It is fusobacterium, Butyrivibrio, true
Bacterium category etc.）Effect non-solubility organic matter is changed into the organic matter of easily biological-degradable, improve the BOD/COD of waste water than big
In 0.4, create conditions for subsequent stage aerobic process, the hydrolysis residence time is 4-5h；
D, the waste water that one-stage hydrolysis pool comes out is with 50m3The amount of/h enters level-one aerobic tank, and pond body product 35% is contained in level-one aerobic tank
Domestication after activated sludge, level-one aerobic tank uses air blower with 500m3The amount aeration of/min, control dissolved oxygen concentration DO are more than
2, aerobic microbiological in activated sludge（Most bacteriums, actinomyces, fungi）Aerobic respiration is carried out further to be decomposed into organic matter
Inorganic matter；
E, waste water enters secondary settling tank in level-one aerobic tank, and waste water carries out mud-water separation in secondary settling tank, and waste water is with 50m3The amount of/h
Control 30% sludge by the water pump that flows back with 25m into intermediate pool, after separation3The flow of/h is pumped into level-one aerobic tank, remaining
Sludge enters sludge concentration tank；
F, it is 35 DEG C to adjust water temperature in intermediate pool, and PH 6.8-7.2, waste water is with 50m3The flow of/h enters two level hydrolytic tank,
Activated sludge after domestication containing pond body product 20% in two level hydrolytic tank, waste water under anoxic concrete conditions in the establishment of a specific crime through activated sludge in hydrolyze it is thin
Non-solubility organic matter is further transformed to the organic matter of easily biological-degradable by the effect of bacterium and acidifying bacterium, improves the BOD/ of waste water
COD ratios are more than 0.4, create conditions for succeeding level-two aerobic process, the hydrolysis residence time is 4-5h；
G, the waste water that two level hydrolytic tank comes out is with 50m3The flow of/h enters two level aerobic tank, is accumulated in two level aerobic tank containing pond body
Activated sludge after 35% domestication, two level aerobic tank use air blower with 500m3The amount aeration of/min, control dissolved oxygen concentration DO
More than 2, aerobic microbiological carries out aerobic respiration and organic matter further is decomposed into inorganic matter in activated sludge, in two level aerobic tank
Waste water is with 50m3The flow of/h enters three heavy ponds, and waste water carries out mud-water separation in three heavy ponds, and waste water flows into reaction settling basin, point
From it is rear control 30% sludge by the water pump that flows back with 25m3The flow of/h is pumped into two level aerobic tank, and it is dense that excess sludge enters sludge
Contracting pond；
H, the waste water that three heavy ponds come out is with 50m3The flow of/h enters reaction settling basin, is added with the amount of 2kg/h to reaction settling basin
Enter aluminium polychloride to be reacted, COD and colourity in removal waste water, the waste water after following reaction enters final deposition pool and carries out muddy water point
From the waste water after separation is with 50m3The flow of/h enters BAF ponds（Biological aerated filter）Further remove waste water in SS, BOD,
COD, ammonia, nitrogen, total salt, sludge enter sludge concentration tank.
This law, with reference to hydrolysis, aerobic, settlement treatment technique, reduce further total on the basis of the processing of original Fenton
Salt and SS contents, while pH value is adjusted, COD≤150 in the sewage finally obtained, total salt≤8000, SS≤70, pH=6.0~
9.0, reach internal recirculated water service index.
Beneficial effects of the present invention, by multistep treatment, reduce COD, SS, the total salt content in water, improve recycling waste water
Quality, improve waste water treatment efficiency and waste treatment capacity.
Brief description of the drawings
Fig. 1 triethylamine sewage treatment technology process schematic diagrams.
Specific implementation step
A kind of triethylamine comprehensive treatment method for wastewater, specific implementation step are as follows：
（1）The domestication of activated sludge：The activated sludge in raw sewage processing aerobic tank is selected to be adopted as domestication object, domestication process
Carried out with the mode of continuum micromeehanics water outlet, for temperature control at 30-35 DEG C, residence time control 8-24h, PH 6.8-7.2, COD is dense
Spend for 900-5000mg/l, oil mg/l containing 10-30；During domestication, triethylamine waste water is added with the amount of 10m3/h, controls ammonia nitrogen
>=2.5mg/L, total phosphorus≤0.5mg/L, when activated sludge settling ratio（SV）Exist in 20-40%, mixed genetic-neural network MLSS
1-4g/l, sludge volume index SVI terminate in 110-250ml/g, domestication, and the time is 40 ~ 45 days；
（2）The adjusted pond regulating water quality water of triethylamine waste water, controls 35 DEG C of waste water temperature, PH 6.8-7.2, waste water is with 50m3/
The flow of h enters flocculation basin, adds aluminium polychloride to flocculation basin respectively with the amount of 7kg/h, 2.5kg/h（PAC）, polyacrylamide
Amine anion（APAM）Flocculate, flocculate residence time 1h；
（3）Waste water is with 50m3The amount of/h enters primary sedimentation tank, and insoluble material in waste water is removed with filter press in primary sedimentation tank（SS、
Colloid）；
（4）Waste water is with 50m in primary sedimentation tank3The amount of/h enters one-stage hydrolysis pool, after accumulating 20% domestication in one-stage hydrolysis pool containing pond body
Activated sludge, waste water under anoxic concrete conditions in the establishment of a specific crime through activated sludge in hydrolytic bacteria and acidifying bacterium effect by non-solubility organic matter
It is changed into the organic matter of easily biological-degradable, the BOD/COD ratios for improving waste water are more than 0.4, and bar is created for subsequent stage aerobic process
Part, hydrolysis residence time are 4-5h, and upflow velocity control is in 0.8-1.8m/h in pond；
（5）The waste water that one-stage hydrolysis pool comes out is with 50m3The amount of/h enters level-one aerobic tank, and pond body product 35% is contained in level-one aerobic tank
Domestication after activated sludge, level-one aerobic tank uses air blower with 500m3The amount aeration of/min, control dissolved oxygen concentration DO are more than
2, aerobic microbiological in activated sludge（Most bacteriums, actinomyces, fungi）Aerobic respiration is carried out further to be decomposed into organic matter
Inorganic matter；
（6）Waste water enters secondary settling tank in level-one aerobic tank, and waste water carries out mud-water separation in secondary settling tank, and it is 2-4h to deposit the mud time,
Waste water is with 50m3The amount of/h enters intermediate pool, and Valve controlling sludge back flow quantity is utilized after separation（30% reflux）And pass through reflux
Water pump is with 25m3The flow of/h is pumped into level-one aerobic tank, and excess sludge enters sludge concentration tank；
（7）It is 35 DEG C to adjust water temperature in intermediate pool, and PH 6.8-7.2, waste water is with 50m3The flow of/h is hydrolyzed into two level
Pond, activated sludge after the domestication containing pond body product 20% in two level hydrolytic tank, waste water under anoxic concrete conditions in the establishment of a specific crime through activated sludge in hydrolyze
Non-solubility organic matter is further transformed to the organic matter of easily biological-degradable by the effect of bacterium and acidifying bacterium, improves waste water
BOD/COD ratios are more than 0.4, and the hydrolysis residence time is 4-5h, and upflow velocity is controlled in 0.8-1.8m/h in pond；
（8）The waste water that two level hydrolytic tank comes out is with 50m3The flow of/h enters two level aerobic tank, is accumulated in two level aerobic tank containing pond body
Activated sludge after 35% domestication, two level aerobic tank use air blower with 500m3The amount aeration of/min, control dissolved oxygen concentration DO
More than 2, aerobic microbiological carries out aerobic respiration and organic matter further is decomposed into inorganic matter in activated sludge, in two level aerobic tank
Waste water is with 50m3The flow of/h enters three heavy ponds, and waste water carries out mud-water separation in three heavy ponds, and it is 2-4h to deposit the mud time, after separation
Utilize Valve controlling sludge back flow quantity（30% reflux）And by the water pump that flows back with 25m3The flow of/h is pumped into two level aerobic tank, remains
Remaining sludge enters sludge concentration tank；
（9）The waste water that three heavy ponds come out is with 50m3The flow of/h enters reaction settling basin, is added with the amount of 2kg/h to reaction settling basin
Entering aluminium polychloride to be reacted, remove COD and colourity in waste water, the waste water after reaction enters final deposition pool and carries out mud-water separation,
Waste water after separation is with 50m3The flow of/h enters BAF ponds, and the control dissolved oxygen concentration DO controls of BAF ponds are in 2 ~ 5mg/L, the blow rate required
90~120m3/ min, settling ratio are controlled in 30 ~ 40ml/L, and by the water pump that flows back with 25 ~ 35m3/ h flows back, and is given birth to through aeration
Waste water COD≤150 after the processing of thing filter tank, total salt≤8000, SS≤70, pH=6.0~9.0；
（10）Open sludge dewatering pump and filter press, carry out sludge dewatering, control sludge concentration tank mud extraction moisture content 95-
97%。
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention；Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make technical solution of the present invention many possible changes and modifications, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, every content without departing from technical solution of the present invention, the technical spirit according to the present invention do above example
Any simple modification, equivalent substitution, equivalence changes and modification, still fall within the range of technical solution of the present invention protects.
Claims (1)
- A kind of 1. triethylamine comprehensive treatment method for wastewater, using following equipment：Sequentially connected regulating reservoir, flocculation basin, primary sedimentation tank, one-stage hydrolysis pool, level-one aerobic tank, secondary settling tank, intermediate pool, two level Hydrolytic tank, two level aerobic tank, three heavy ponds, reaction settling basin, final deposition pool, BAF ponds；It is good that secondary settling tank is connected to level-one by pipeline all the way Oxygen pond, is connected to sludge concentration tank all the way, and three heavy ponds are connected to two level aerobic tank by pipeline, are connected to sludge concentration tank all the way all the way, Final deposition pool is directly connected to sludge concentration tank；Level-one aerobic tank, two level aerobic tank, BAF ponds are connected with aeration blower respectively；It is characterised in that it includes following steps：A, the adjusted pond of triethylamine waste water, controls 35 DEG C of waste water temperature, PH 6.8-7.2, waste water is with 50m3The flow of/h enters wadding Solidifying pond, respectively with the amount of 7kg/h, 2.5kg/h to flocculation basin adds flocculant poly aluminium chloride, polyacrylamide anion is wadded a quilt with cotton It is solidifying, flocculate residence time 1h；B, waste water is with 50m3The amount of/h enters primary sedimentation tank and removes insoluble material in waste water, residence time 1.5-2h；C, in primary sedimentation tank waste water with 50m3The amount of/h enters one-stage hydrolysis pool, lives after accumulating 20% domestication in one-stage hydrolysis pool containing pond body Property sludge, non-solubility organic matter is changed into the organic matter of easily biological-degradable by effect of the waste water through hydrolytic bacteria and acidifying bacterium, The BOD/COD ratios for improving waste water are more than 0.4, and the hydrolysis residence time is 4-5h；D, in one-stage hydrolysis pool waste water with 50m3The amount of/h enters level-one aerobic tank, accumulates 35% domestication in level-one aerobic tank containing pond body Activated sludge afterwards, level-one aerobic tank use air blower with 500m3The flow aeration of/min, control dissolved oxygen concentration DO are more than 2, live Organic matter is decomposed into inorganic matter by aerobic microbiological in property sludge；E, waste water enters secondary settling tank progress mud-water separation in level-one aerobic tank, and waste water is with 50m3The amount of/h enters intermediate pool, separation Afterwards control 30% sludge by the water pump that flows back with 25m3The flow of/h is pumped into level-one aerobic tank, and excess sludge enters sludge condensation Pond；F, 35 DEG C of water temperature is adjusted in intermediate pool, PH 6.8-7.2, waste water is with 50m3The flow of/h enters two level hydrolytic tank, two level Activated sludge after domestication containing pond body product 20% in hydrolytic tank, effect of the waste water through hydrolytic bacteria and acidifying bacterium, improves waste water BOD/COD ratios are more than 0.4, and the hydrolysis residence time is 4-5h；G, in two level hydrolytic tank waste water with 50m3The amount of/h enters two level aerobic tank, accumulates 35% domestication in two level aerobic tank containing pond body Activated sludge afterwards, two level aerobic tank use air blower with 500m3The amount aeration of/min, control DO are more than 2, and aerobic microbiological will have Machine thing is decomposed into inorganic matter, and waste water is with 50m in two level aerobic tank3The flow of/h enters three heavy ponds and carries out mud-water separation, after separation The sludge of control 30% is by the water pump that flows back with 25m3The flow of/h is pumped into two level aerobic tank, and excess sludge enters sludge concentration tank；H, the waste water that three heavy ponds come out is with 50m3The amount of/h enters reaction settling basin, is added and gathered to reaction settling basin with the amount of 2kg/h Aluminium chloride is closed, removes COD and colourity in waste water, waste water enters final deposition pool and carries out mud-water separation, and the waste water after separation is with 50m3/h Flow enter BAF ponds, waste water COD≤150 after BAF ponds are handled, total salt≤8000, SS≤70, pH=6.0~9.0 are dirty Mud enters sludge concentration tank.
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| CN201711309289.5A CN108033633B (en) | 2017-12-11 | 2017-12-11 | Triethylamine wastewater comprehensive treatment method |
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Cited By (5)
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|---|---|---|---|---|
| CN109928541A (en) * | 2019-03-21 | 2019-06-25 | 中科海创环境科技（大连）有限公司 | A kind of triethylamine wastewater treatment method |
| CN110194562A (en) * | 2019-05-30 | 2019-09-03 | 安徽正一水务有限公司 | A kind of Integral rain processing system |
| CN110590067A (en) * | 2019-09-25 | 2019-12-20 | 阮建林 | Advanced treatment system and treatment method for triethylamine-containing comprehensive wastewater |
| CN110845051A (en) * | 2019-12-20 | 2020-02-28 | 安徽金禾实业股份有限公司 | Advanced treatment method for triethylamine salt-containing wastewater |
| CN110902918A (en) * | 2019-11-22 | 2020-03-24 | 湖北广富林生物制剂有限公司 | Method for treating mesotrione production wastewater |
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| CN109928541A (en) * | 2019-03-21 | 2019-06-25 | 中科海创环境科技（大连）有限公司 | A kind of triethylamine wastewater treatment method |
| CN110194562A (en) * | 2019-05-30 | 2019-09-03 | 安徽正一水务有限公司 | A kind of Integral rain processing system |
| CN110590067A (en) * | 2019-09-25 | 2019-12-20 | 阮建林 | Advanced treatment system and treatment method for triethylamine-containing comprehensive wastewater |
| CN110902918A (en) * | 2019-11-22 | 2020-03-24 | 湖北广富林生物制剂有限公司 | Method for treating mesotrione production wastewater |
| CN110845051A (en) * | 2019-12-20 | 2020-02-28 | 安徽金禾实业股份有限公司 | Advanced treatment method for triethylamine salt-containing wastewater |
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| CN108033633B (en) | 2021-03-30 |
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