CN106946419A - Brewed spirit method of wastewater treatment and processing system - Google Patents

Brewed spirit method of wastewater treatment and processing system Download PDF

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Publication number
CN106946419A
CN106946419A CN201710345420.7A CN201710345420A CN106946419A CN 106946419 A CN106946419 A CN 106946419A CN 201710345420 A CN201710345420 A CN 201710345420A CN 106946419 A CN106946419 A CN 106946419A
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processing
treatment
pond
waste water
oxygen
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朱春焰
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Hangzhou Lyuxia Environmental Technology Co Ltd
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Hangzhou Lyuxia Environmental Technology 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • C02F2103/325—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention provides a kind of brewed spirit method of wastewater treatment and processing system, it is related to technical field of waste water processing.The processing method is included after the preprocessed removal solid particle of waste water and suspension, and Anaerobic Treatment, two-stage A/O processing and catalytic oxidation treatment are carried out successively, final outflow water is obtained.Brewed spirit Waste Water Treatment, including pretreatment system, anaerobic pond, two-stage A/O processing systems, catalyst oxidation reactor and the clear water reserviors being sequentially connected.The present invention alleviate traditional fermentation Waste Water Treatment build, operation and maintenance cost it is higher, handling process is bad to the treatment effect of brewed spirit waste water, CODCr, total nitrogen and total phosphorus the undesirable technical problem of clearance.Mutual coordinated of the invention by pretreatment, Anaerobic Treatment, two-stage A/O processing and catalytic oxidation treatment, to the obvious processing effect of brewed spirit waste water.

Description

Brewed spirit method of wastewater treatment and processing system
Technical field
The present invention relates to technical field of waste water processing, in particular to a kind of brewed spirit method of wastewater treatment and place Reason system.
Background technology
Brewed spirit is most using sorghum, wheat, corn etc. as supplementary material, stored, fermented always using manually culture, distilled, The basic working procedures such as classification storage, meticulous blending, which are brewed, to be formed.White wine wastewater is produced during referring to from production to storage and aging Industrial wastewater.Two parts can be divided into by pollution level, a part belongs to low concentration wastewater, including cooling water, bottle-washing water, place Flushing water etc., its pollutant concentration is far below discharging standards, directly general reusable edible or discharge；Another part is height Concentration waste water, such as distillation bottom pot water, koji-making workshop section waste water, fermentation vat french drain water, distillation workshop section ground flushing water, storehouse of going with wine ooze Raw material is rinsed, water etc. is discharged in immersion in leak, " lower sand " and " rough sand " technique.Its water quality is in acidity, and pollutant concentration is high, CODCr (Chemical Oxygen Demand, COD) value be up to 10000mg/L and more than, such as without processing directly discharge, Very serious negative effect can be caused to ecological environment.
At present for brewed spirit waste water treatment technology include chemical coagulation-sedimentation method, micro-electrolysis method, condensed combustion method, Anaerobic biotreatment method, Aerobic biological process method and anaerobic-aerobic group technology facture etc., but use the dirt of these techniques The construction of water treatment facilities and system, operation and maintenance cost are higher, the aerator for for example needing to use valency high, and white wine is made The treatment effect for making waste water is bad, CODCr, total nitrogen and total phosphorus clearance it is undesirable.
In view of this, it is special to propose the present invention.
The content of the invention
An object of the present invention is to provide a kind of brewed spirit method of wastewater treatment, and this method is by pre-processing, detesting The mutual coordinated of oxygen processing, two-stage A/O processing and catalytic oxidation treatment handles brewed spirit waste water, and treatment effect shows Write.
The second object of the present invention is to provide a kind of matching used white wine of the and brewed spirit method of wastewater treatment to make Waste Water Treatment is made, the system configuration is reasonable, occupy little space, and system Construction, operation and maintenance cost are relatively low, suitable for engineering Popularization and application.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of brewed spirit method of wastewater treatment, comprises the following steps：
Waste water is preprocessed to be removed after solid particle and suspension, and Anaerobic Treatment, two-stage A/O processing are carried out successively and is catalyzed Oxidation processes, obtain final outflow water.
Further, on the basis of the technical scheme that the present invention is provided, pretreatment includes：
Regulating step, adjusts waste water water；
Filtration step, removes solid particle；And,
First settling step, adds chemical precipitation agent and carries out precipitation reaction, remove oil removal.
Further, on the basis of the technical scheme that the present invention is provided, methods described is carried out after also including two-stage A/O processing Secondary precipitation process again catalytic oxidation treatment the step of；
Two-stage A/O processing includes first and oxygen processing, the first Aerobic Process for Treatment, second and oxygen processing and the second aerobic place successively Reason；
The water outlet of Anaerobic Treatment enters first and oxygen processing；The water outlet of first simultaneous oxygen processing enters the first Aerobic Process for Treatment；The The water outlet of one Aerobic Process for Treatment enters second and oxygen processing, and the backflow nitrification liquid of optionally the first Aerobic Process for Treatment enters at first and oxygen Reason；The water outlet of second simultaneous oxygen processing enters the second Aerobic Process for Treatment；The water outlet of second Aerobic Process for Treatment enters time precipitation process, optionally The returned sludge of secondary precipitation process enters first and oxygen processing.
Further, on the basis of the technical scheme that the present invention is provided, catalytic oxidation treatment is included through time precipitation process Water outlet enters catalyst oxidation reactor, under light illumination, toward the interior input H of reactor2O2Solution and FeSO4, and carry out aeration confession Oxygen；
Preferably, H2O2The mass percent of solution is 15%~25%, the H2O2The input amount of solution is handled for needed for The 10 of waste water weight-4~5 × 10-4；
Preferably, FeSO4Put into solid form, the FeSO4Input amount the 3 × 10 of waste water weight is handled for needed for-4~10-3；
Preferably, the treatment time of catalytic oxidation treatment is 5~20min.
Further, on the basis of the technical scheme that the present invention is provided, catalyst oxidation reactor is multidimensional composite catalyzing oxygen Change reactor；Beds are provided with multidimensional composite catalytic oxidation reactor；
Preferably, the beds are mainly made up of the raw material of following parts by weight：4~7 parts of calcium oxalate, iron filings 10 ~15 parts, 1~3 part of activated carbon, TiO210~20 parts, CuFe2O45~10 parts, 100~120 parts of porous ceramics and aluminum oxide 5~ 10 parts.
Further, on the basis of the technical scheme that the present invention is provided, it is laggard that methods described also includes catalytic oxidation treatment The step of row high density precipitation process and husky filter processing obtain final outflow water；
High density precipitation process includes adding alkali lye and chemical precipitation agent carries out precipitation reaction, removes oil removal；Add alkali Liquid adjusts wastewater pH to 5~6.
It is a kind of to realize the brewed spirit Waste Water Treatment of the above method, including be sequentially connected pretreatment system, anaerobism Pond, two-stage A/O processing systems, catalyst oxidation reactor and clear water reserviors；
After waste water removes solid particle and suspension through the pretreatment system, sequentially enter the anaerobic pond and carry out anaerobism Handle, two-stage A/O processing is carried out into the two-stage A/O processing systems, carry out catalysis oxygen into the catalyst oxidation reactor Change processing and enter in the clear water reserviors and obtain final outflow water.
Further, on the basis of the technical scheme that the present invention is provided, the pretreatment system is thin including what is be sequentially connected Grid pond, regulating reservoir, mechanical drum device and preliminary sedimentation tank；The preliminary sedimentation tank is connected with anaerobic pond.
Further, on the basis of the technical scheme that the present invention is provided, the two-stage A/O processing systems and the catalysis oxygen Provided with connected second pond and intermediate pool between change reactor；
Two-stage A/O processing systems include the first oxygen compatibility pool, the first Aerobic Pond, the second oxygen compatibility pool and second best being sequentially connected Oxygen pond；First oxygen compatibility pool is connected with the anaerobic pond, and second Aerobic Pond is connected with the second pond；
Pump is additionally provided between the intermediate pool and the catalyst oxidation reactor；
Preferably, provided with the potassium permanganate composites and sand filtration being connected between the catalyst oxidation reactor and the clear water reserviors Pond；The potassium permanganate composites are connected with the catalyst oxidation reactor, and the sand filter is connected with the clear water reserviors.
Further, on the basis of the technical scheme that the present invention is provided, the system also includes sludge treating system；
Sludge treating system includes connected sludge concentrator and plate and frame filter press；
The preliminary sedimentation tank is connected with the sludge concentrator, and the second pond is connected with the sludge concentrator.
Compared with the prior art, the present invention has the advantages that：
(1) can more efficiently it have been removed by two-stage A/O processing in brewed spirit method of wastewater treatment of the invention Organic pollutants, efficiency high, flow are simple, and COD is handled by two-stage A/OcrClearance reaches 90%, and nitrogen removal rate reaches 90% More than, total tp removal rate reaches 50%.
(2) due to brewed spirit waste water CODcrConcentration is higher, in two-stage in brewed spirit method of wastewater treatment of the invention A/O before processings carry out preliminary Anaerobic Treatment, can first reduce COD by Anaerobic TreatmentcrConcentration, during the A/O processing of reduction two-stage Influent CODcrConcentration value, mitigates A/O processing loads, A/O handling process is preferably played a role, can be with through Anaerobic Treatment By the COD of brewed spirit waste watercrReduction by more than 90%, thousand magnitudes are reduced to from ten thousand magnitudes.
(3) further catalysis oxidation is carried out after two-stage A/O processing in brewed spirit method of wastewater treatment of the invention Processing, using the decomposition of oxidation reinforced dose of catalyst to accelerate the chemical reaction between Pollutants in Wastewater and oxidant, is removed Pollutant, reaches the purpose of advanced treating.
(4) brewed spirit method of wastewater treatment of the invention pass sequentially through pretreatment, Anaerobic Treatment, two-stage A/O handle and Catalytic oxidation treatment, by the mutual cooperation between each processing, to the obvious processing effect of brewed spirit waste water, through whole method COD after processingcrConcentration is down to below 25mg/L, and total nitrogen content is down to 10mg/L, and total phosphorus content is down to 1mg/L.
(5) present invention is for realizing that it is each that the brewed spirit Waste Water Treatment of above-mentioned brewed spirit method of wastewater treatment passes through Mutual cooperation between processing equipment and module and use, can go to handle brewed spirit waste water, the system space-consuming very well It is small, it is easy to safeguard and cost is relatively low, suitable for engineering popularization and application.
Brief description of the drawings
Fig. 1 is the structural representation of the brewed spirit Waste Water Treatment of one embodiment of the present invention；
Fig. 2 be embodiment 10 in multidimensional composite catalytic oxidation reactor structural representation.
Icon：1- fine facks pond；2- regulating reservoirs；3- machinery drum devices；4- preliminary sedimentation tanks；5- anaerobic ponds；61- first and oxygen Pond；The Aerobic Ponds of 62- first；The oxygen compatibility pools of 63- second；The Aerobic Ponds of 64- second；7- second ponds；8- intermediate pools；9- catalysis oxidations are anti- Answer device；10- potassium permanganate composites；11- sand filters；12- clear water reserviors；13- sludge concentration tanks；14- plate and frame filter press；910- is intake Mouthful；920- delivery ports；930- beds.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, are The conventional products that can be obtained by commercially available purchase.
According to the first aspect of the invention there is provided a kind of brewed spirit method of wastewater treatment, comprise the following steps：
Waste water is preprocessed to be removed after solid particle and suspension, and Anaerobic Treatment, two-stage A/O processing are carried out successively and is catalyzed Oxidation processes, obtain final outflow water.
The purpose of pretreatment is to remove larger solid particulate matter and the suspension in waste water.
Pretreatment can include grid, screen filtration, the step such as regulating pondage and pH.
Anaerobic Treatment is the effect by anaerobic bacteria, organic matter is occurred hydrolysis, acidifying and methanation, removes in waste water Organic matter, and the biodegradability of sewage is improved, be conducive to subsequent treatment.
Preferably, the Anaerobic Treatment time is 24~48h, such as 24h, 36h or 48h.
Two-stage A/O (Anoxic/Oxic, anoxic/aerobic) processing is to carry out one-level A/ again on the basis of one-level A/O processing O processing, two-stage A/O handling process is divided into anoxic (and oxygen) section (A1 sections), aerobic section (O1 sections), anoxic section (A2 sections) and aerobic section (O2 sections) four-stage, O1 sections by NH3- N is mainly nitrified to NO2 -, short distance nitration is realized, O1 sections of mixed liquors are partly refluxed to A1 Section, carries out denitrification denitrogenation, A2 sections by supplementing methanol using water carbon source and supplement methanol residue or dilute methanol as carbon source Raffinate or dilute methanol realize denitrification denitrogenation as carbon source, and O2 sections of controls are compared with high-solubility oxygen, to remaining in residual methanol and sewage Organic matter is further aoxidized, to residual NO2 -- N is further nitrified, and improves the performance of activated sludge.
Preferably, at A1 sections, 8~16h of controlling cycle, such as 8h, 9h, 10h, 11h, 12h, 13h, 14h, 15h or 16h Deng dissolved oxygen≤0.3mg/L.
Preferably, at O1 sections, 12~32h of controlling cycle, such as 12h, 14h, 16h, 18h, 24h, 26h, 28h, 30h or 32h etc., 2~6mg/L of dissolved oxygen, pH is 6~9.
Preferably, at A2 sections, 4~12h of controlling cycle, such as 4h, 6h, 8h, 10h or 12h, dissolved oxygen≤0.3mg/L.
Preferably, at O2 sections, 1~8h of controlling cycle, such as 1h, 2h, 3h, 4h, 5h, 6h, 7h or 8h, dissolved oxygen 3~ 6mg/L, pH are 6~9.
The present invention can more efficiently remove the organic pollution in waste water by using two-stage A/O processing, efficiency high, COD is handled by two-stage A/OcrMore than 90% is can reach with nitrogen removal rate.
Catalytic oxidation treatment be using the decomposition of oxidation reinforced dose of catalyst with accelerate Pollutants in Wastewater and oxidant it Between chemical reaction, make a return journey water removal in pollutant.
Catalytic oxidation process mainly has catalytic wet oxidation under catalysis oxidation and HTHP under normal temperature and pressure, light to urge Change oxidation etc..The extremely strong hydroxyl radical free radical of oxidability is produced by catalytic route, hydroxyl radical free radical is advanced oxidation processes Intermediate product, the chain reaction induced below as initiator occurs, open loop, scission of link to the material of difficult degradation, by hardly possible pollution Pollutant becomes low molecule or the material of easily biological-degradable is particularly suitable, hydroxyl can without selectively with any pollutant in waste water Reaction, is directly oxidized as carbon dioxide, water or salt, will not produce secondary pollution, catalytic oxidation process is a kind of physics-change Processing procedure is learned, is easily controlled, to meet processing requirement, reaction condition is gentle, is a kind of energy-efficient wastewater processing technology.
Advanced treating to waste water is realized by catalytic oxidation process, treatment effeciency is high, energy-conserving and environment-protective.
The processing method of the present invention passes through the phase between pretreatment, Anaerobic Treatment, two-stage A/O processing and catalytic oxidation treatment Mutual coordinated, it is possible to achieve effective processing to brewed spirit waste water, the process flow is short, is easy to operation to implement, place Manage effect notable.
In a preferred embodiment, pretreatment includes：
Grid filtration step, the floating object in waste water can be removed by grid step；
Regulating step, adjusts waste water water；
Filtration step, removes solid particle；And,
First settling step, adds chemical precipitation agent and carries out precipitation reaction, remove oil removal.
Filtration step can be carried out using mechanical rotary drum mode or other modes.
First settling step can be realized in a pond, be precipitated while flocculation reaction, can also be in two ponds Realized in son, a pond carries out flocculation reaction, another pond carries out precipitation reaction.
Chemical precipitation agent includes chemical floc and flocculation aid, and the dosage of chemical floc is pending wastewater volume 5~20%, such as 5%, 10%, 15% or 20%；The dosage of flocculation aid for pending wastewater volume 0.25~ 0.5%, such as 0.25% or 0.5%.
Preferably, chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
The effect of aluminium polychloride is by the compression double electric layer of it or it hydrolysate, electrically neutralization, winding net The effect completion of four aspects such as bridging is caught and adsorbed, agent oxidation can be oxidized and cause CODCrParticulate matter precipitation under To filter out, so as to reduce CODCr, the precipitation of particulate matter reduces solid suspension concentration.
Polyacrylamide is high polymer coagulant, organic polymer coargulator have formed between particle bigger flco by This huge adsorption produced effect, so as to reduce the indices in water, principle includes flocculation, adsorption bridging, table Adsorb and the net effect of catching in face.
Floating object, solid particulate matter and suspension in waste water can be removed by pretreatment, COD can be also reducedCr, total nitrogen And total phosphorus concentration, mitigate load during subsequent treatment.
In a preferred embodiment, method also handles laggard places precipitation process including two-stage A/O and is catalyzed oxygen again The step of changing processing；
Two-stage A/O processing includes first and oxygen processing, the first Aerobic Process for Treatment, second and oxygen processing and the second aerobic place successively Reason；
The water outlet of Anaerobic Treatment enters first and oxygen processing；The water outlet of first simultaneous oxygen processing enters the first Aerobic Process for Treatment；The The water outlet of one Aerobic Process for Treatment enters second and oxygen processing, and the backflow nitrification liquid of optionally the first Aerobic Process for Treatment enters at first and oxygen Reason；The water outlet of second simultaneous oxygen processing enters the second Aerobic Process for Treatment；The water outlet of second Aerobic Process for Treatment enters time precipitation process, optionally The returned sludge of secondary precipitation process enters first and oxygen processing.
The nitrification liquid of first Aerobic Process for Treatment is reflowable to the first simultaneous oxygen process step, is recycled.
Make to realize mud-water separation after the second Aerobic Process for Treatment water outlet by secondary precipitation process, the sludge of secondary precipitation process can be again Flow back into first and oxygen process step.
In a preferred embodiment, catalytic oxidation treatment includes the water outlet through time precipitation process and enters catalysis oxidation Reactor, under light illumination, toward the interior input H of reactor2O2Solution and FeSO4, and carry out aeration oxygen supply；
Preferably, H2O2The mass percent of solution is 15%~25%, the H2O2The input amount of solution is handled for needed for The 10 of waste water weight-4~5 × 10-4；
Preferably, FeSO4Put into solid form, the FeSO4Input amount the 3 × 10 of waste water weight is handled for needed for-4~10-3；
Preferably, the treatment time of catalytic oxidation treatment is 5~20min, such as 5min, 10min, 15min or 20min Deng.
Catalytic oxidation treatment uses light Fenton's reaction, and Fenton's reaction is that ferrous ion and hydrogen peroxide reaction generate hydroxyl certainly By the process of base.Light Fenton's reaction is the complicated photochemical reaction occurred under ultraviolet light of the wavelength less than 400nm, its In include the photochemical reaction that ferric ion is transformed into ferrous ion, promote course of reaction to accelerate.
Catalyst oxidation reactor uses tower structure, toward the interior input H of reactor2O2Solution and solid FeSO4, and exposed Gas oxygen supply, under solid-liquid catalytic reagent and air effect phase reaction occurs for waste water under normal temperature, normal pressure.
In a preferred embodiment, catalyst oxidation reactor is multidimensional composite catalytic oxidation reactor；Multidimensional is answered Close in catalyst oxidation reactor and be provided with beds；
Preferably, the beds are mainly made up of the raw material of following parts by weight：4~7 parts of calcium oxalate, iron filings 10 ~15 parts, 1~3 part of activated carbon, TiO210~20 parts, CuFe2O45~10 parts, 100~120 parts of porous ceramics and aluminum oxide 5~ 10 parts.
The preparation process of catalytic bed is as follows：
(a) added in boehmite dry glue powder and mass fraction of solids is made after dust technology and urea, high-speed stirred 5h For 21% Alumina gel；
(b) according to parts by weight, 100~120 parts of porous ceramics is immersed in obtained Alumina gel 1 minute, used after taking-up Compressed air blows the unnecessary colloidal sol in the duct of ceramics off, and porous ceramics is then placed at 32 DEG C in the 6h that dries in the shade, baking oven into 11 DEG C 6h is dried, finally 2h is calcined under the conditions of 600 DEG C in Muffle furnace, obtains 5~10 parts of aluminum oxide；
(c) according to parts by weight, by TiO210~20 parts, CuFe2O41-3 parts of 5~10 parts, 10~15 parts of iron filings and activated carbon Fill into 2/3 duct of ceramics, 3h is calcined under the conditions of 600 DEG C in Muffle furnace, after cooling, toward remaining 1/3 duct of ceramics Middle 4~7 parts of calcium oxalate of filling, compacting.
Multidimensional composite catalytic oxidation refers to the catalytic oxidation process that the modes such as aqueous phase, solid phase, gas phase, electromagnetism are carried out.It is many Dimension composite catalytic oxidation reactor is that inside sets beds again on the basis of catalyst oxidation reactor, is realized a kind of many Plant the compound catalytic reaction of catalytic way.Multidimensional composite catalytic oxidation utilizes the dissolution equilibrium of calcium oxalate, Fe2+And oxalate denominationby Formation complex compound, light Fenton's reaction, by TiO2、CuFe2O4, aluminum oxide and porous ceramics composition compound catalytic mechanism Etc. the synergy of a variety of principles, gas phase, liquid phase, solid phase and the four-dimension integrated catalysis oxidation of micro- electricity are realized, is realized in oxidation Stage transfers generation OH, further lifting waste water treatment effeciency and effect in the case of not adjusting pH.
In a preferred embodiment, method also includes carrying out high density precipitation process and sand after catalytic oxidation treatment The step of filter processing obtains final outflow water；
High density precipitation process includes adding alkali lye and chemical precipitation agent carries out precipitation reaction, removes oil removal；Add alkali Liquid adjusts wastewater pH to 5~6, such as pH=5.0, pH=5.5 or pH=6.0.
Chemical precipitation agent includes chemical floc and flocculation aid, it is preferable that chemical floc is aluminium polychloride；Flocculation aid For polyacrylamide.
According to another aspect of the present invention there is provided a kind of brewed spirit Waste Water Treatment for realizing the above method, Including the pretreatment system being sequentially connected, anaerobic pond, two-stage A/O processing systems, catalyst oxidation reactor and clear water reserviors；
After waste water removes solid particle and suspension through the pretreatment system, sequentially enter anaerobic pond and carry out at anaerobism Manage, two-stage A/O processing is carried out into two-stage A/O processing systems, catalytic oxidation treatment is carried out into catalyst oxidation reactor and is entered Enter and final outflow water is obtained in clear water reserviors.
There is sludge in anaerobic pond, carry out anaerobic reaction, and handle and be catalyzed by the two-stage A/O of two-stage A/O processing systems The catalytic oxidation treatment of oxidation reactor finally flows into clear water reserviors, obtains final outflow water.
The processing system matched by above-mentioned treatment design, the system configuration is reasonable, occupy little space, and system is built If, operation and maintenance cost it is relatively low, suitable for engineering popularization and application.
In a preferred embodiment, pretreatment system turns including the fine fack pond being sequentially connected, regulating reservoir, machinery Drum device and preliminary sedimentation tank；The preliminary sedimentation tank is connected with anaerobic pond.
Fine fack pond removes the floating object in waste water；Regulating reservoir is used to adjust waste water water, is allowed to homogeneous even amount；Machinery turns Drum device uses the flco that in rotary drum filter, preliminary sedimentation tank plus chemical floc and flocculation aid are gone after oil removal, coagulation to precipitate After remove.
In a preferred embodiment, phase is provided between two-stage A/O processing systems and the catalyst oxidation reactor Second pond even and intermediate pool；
Two-stage A/O processing systems include the first oxygen compatibility pool, the first Aerobic Pond, the second oxygen compatibility pool and second best being sequentially connected Oxygen pond；First oxygen compatibility pool is connected with anaerobic pond, and the second Aerobic Pond is connected with second pond；
Pump is additionally provided between intermediate pool and catalyst oxidation reactor.
The nitrification liquid of first Aerobic Pond is back to the first oxygen compatibility pool, the sludge reflux of second pond to the first oxygen compatibility pool.It is middle Cushioning effect is played in pond to waste water, and waste water pump is entered into catalyst oxidation reactor by pump carries out catalytic oxidation.
In a preferred embodiment, provided with the high density precipitation being connected between catalyst oxidation reactor and clear water reserviors Pond and sand filter；Potassium permanganate composites are connected with catalyst oxidation reactor, and sand filter is connected with clear water reserviors.
Wastewater pH is adjusted by potassium permanganate composites after catalysis oxidation, and further removes oil removal, then passes through sand filter It is filtrated to get final outflow water.
In a preferred embodiment, system also includes sludge treating system；Sludge treating system includes what is be connected Sludge concentrator and plate and frame filter press；Preliminary sedimentation tank is connected with sludge concentrator, and second pond is connected with sludge concentrator.
The sludge of preliminary sedimentation tank and second pond carries out concentration by sludge concentration tank, then by plate and frame filter press by sludge It is compressed into mud cake post processing.
As a kind of typical brewed spirit Waste Water Treatment, including be sequentially connected fine fack pond, regulating reservoir, machinery Drum device, preliminary sedimentation tank, anaerobic pond, the first oxygen compatibility pool, the first Aerobic Pond, the second oxygen compatibility pool, the second Aerobic Pond, second pond, in Between pond, catalyst oxidation reactor, potassium permanganate composites, sand filter and clear water reserviors.
In order to further appreciate that the technological process of the present invention, with reference to Fig. 1 and embodiment to handling process of the present invention, place Reason system and treatment effect are further described in detail.
Fig. 1 is the structural representation of the brewed spirit Waste Water Treatment of one embodiment of the present invention.As shown in figure 1, Fine fack pond 1 that brewed spirit Waste Water Treatment includes being sequentially connected, regulating reservoir 2, mechanical drum device 3, preliminary sedimentation tank 4, detest Oxygen pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, the second Aerobic Pond 64, second pond 7, intermediate pool 8, Catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
The processing method of brewed spirit waste water is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by preliminary sedimentation tank 4 add chemical floc and Flocculation aid is reacted, and removes reacted flco precipitation；
(b) water outlet for removing preliminary sedimentation tank 4 after flco precipitation enters anaerobic pond 5 and carries out anaerobic reaction, and water outlet is successively after reaction Reacted into the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64, the first Aerobic Pond 62 Nitrification liquid be back to the first oxygen compatibility pool 61, after reaction the water outlet of the second Aerobic Pond 64 enter second pond 7 carry out mud-water separation, point Sludge reflux from after is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 8~16h, dissolved oxygen≤0.3mg/L； The residence time of first Aerobic Pond 62 is 12~32h, and dissolved oxygen 2~6mg/L, pH are 6~9；During the stop of the second oxygen compatibility pool 63 Between be 4~12h, dissolved oxygen≤0.3mg/L；The residence time of second Aerobic Pond 64 is 1~8h, and dissolved oxygen 3~6mg/L, pH are 6 ~9.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering, which is sequentially passed through in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10, adds flocculation aid, and adds Alkali lye adjusts pH to 6~7.5, finally flows into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：4~7 parts of calcium oxalate, 10~15 parts of iron filings, 1~3 part of activated carbon, TiO210~20 parts, CuFe2O45~10 parts, porous pottery 5~10 parts of 100~120 parts of porcelain and aluminum oxide；
The 10 of pending waste water weight are put into catalyst oxidation reactor 9-4~5 × 10-4Mass percent be 15% ~25% H2O2The 3 × 10 of solution and pending waste water weight-4~10-3FeSO4Solid；
Residence time in catalyst oxidation reactor 9 is 5~20min.
In addition, the sludge of preliminary sedimentation tank 4 and second pond 7, which flows into sludge concentration tank 13, carries out concentration, sheet frame pressure is entered back into Sludge is compressed into mud cake post processing by filter 14.
It is below present invention typical case but non-limiting example and comparative example：It is brewed spirit that embodiment and comparative example, which are intake, Waste water, influent quality is CODcr=15000mg/L, total nitrogen=400mg/L, total phosphorus=350mg/L.
Embodiment 1
The processing system and processing method of a kind of brewed spirit, the system include fine fack pond 1, the regulating reservoir being sequentially connected 2nd, mechanical drum device 3, preliminary sedimentation tank 4, anaerobic pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, second best Oxygen pond 64, second pond 7, intermediate pool 8, catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
Processing method is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by adding pending waste water body to preliminary sedimentation tank 4 The chemical floc of product 5% and the flocculation aid of wastewater volume 0.25% are reacted, and remove reacted flco precipitation；
Chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
(b) remove flco precipitation after preliminary sedimentation tank 4 water outlet enter anaerobic pond 5 carry out anaerobic reaction, reaction 24h after water outlet according to Secondary the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64 of entering is reacted, the first Aerobic Pond 62 nitrification liquid is back to the first oxygen compatibility pool 61, and the water outlet of the second Aerobic Pond 64 enters the progress mud-water separation of second pond 7 after reaction, Sludge reflux after separation is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 8h, dissolved oxygen≤0.3mg/L；The The residence time of one Aerobic Pond 62 is 32h, and dissolved oxygen 2mg/L, pH are 6；The residence time of second oxygen compatibility pool 63 is 4h, dissolved oxygen ≤0.3mg/L；The residence time of second Aerobic Pond 64 is 8h, and dissolved oxygen 3mg/L, pH are 6.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering sequentially passes through addition flocculation aid polyacrylamide in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10 Amine, and alkali lye regulation pH to 6 is added, finally flow into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：4 parts of calcium oxalate, 15 parts of iron filings, 1 part of activated carbon, TiO220 parts, CuFe2O45 parts, 120 parts of porous ceramics and aluminum oxide 5 Part；
Under light illumination, the 10 of pending waste water weight are put into catalyst oxidation reactor 9-4Mass percent be 15% H2O2The 3 × 10 of solution and pending waste water weight-4FeSO4Solid, and carry out aeration oxygen supply；
Residence time in catalyst oxidation reactor 9 is 20min.
Embodiment 2
The processing system and processing method of a kind of brewed spirit, the system include fine fack pond 1, the regulating reservoir being sequentially connected 2nd, mechanical drum device 3, preliminary sedimentation tank 4, anaerobic pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, second best Oxygen pond 64, second pond 7, intermediate pool 8, catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
Processing method is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by adding pending waste water body to preliminary sedimentation tank 4 The chemical floc of product 20% and the flocculation aid of wastewater volume 0.5% are reacted, and remove reacted flco precipitation；
Chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
(b) remove flco precipitation after preliminary sedimentation tank 4 water outlet enter anaerobic pond 5 carry out anaerobic reaction, reaction 48h after water outlet according to Secondary the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64 of entering is reacted, the first Aerobic Pond 62 nitrification liquid is back to the first oxygen compatibility pool 61, and the water outlet of the second Aerobic Pond 64 enters the progress mud-water separation of second pond 7 after reaction, Sludge reflux after separation is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 16h, dissolved oxygen≤0.3mg/L；The The residence time of one Aerobic Pond 62 is 12h, and dissolved oxygen 6mg/L, pH are 7；The residence time of second oxygen compatibility pool 63 is 12h, dissolving Oxygen≤0.3mg/L；The residence time of second Aerobic Pond 64 is 1h, and dissolved oxygen 6mg/L, pH are 7.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering sequentially passes through addition flocculation aid polyacrylamide in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10 Amine, and alkali lye regulation pH to 7.5 is added, finally flow into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：7 parts of calcium oxalate, 10 parts of iron filings, 3 parts of activated carbon, TiO210 parts, CuFe2O410 parts, 100 parts of porous ceramics and aluminum oxide 10 Part；
Under sunlight irradiation, the 5 × 10 of pending waste water weight are put into catalyst oxidation reactor 9-4Quality percentage Number is 25% H2O2The 10 of solution and pending waste water weight-3FeSO4Solid, and carry out aeration oxygen supply；
Residence time in catalyst oxidation reactor 9 is 5min.
Embodiment 3
The processing system and processing method of a kind of brewed spirit, the system include fine fack pond 1, the regulating reservoir being sequentially connected 2nd, mechanical drum device 3, preliminary sedimentation tank 4, anaerobic pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, second best Oxygen pond 64, second pond 7, intermediate pool 8, catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
Processing method is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by adding pending waste water body to preliminary sedimentation tank 4 The chemical floc of product 10% and the flocculation aid of wastewater volume 0.3% are reacted, and remove reacted flco precipitation；
Chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
(b) remove flco precipitation after preliminary sedimentation tank 4 water outlet enter anaerobic pond 5 carry out anaerobic reaction, reaction 36h after water outlet according to Secondary the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64 of entering is reacted, the first Aerobic Pond 62 nitrification liquid is back to the first oxygen compatibility pool 61, and the water outlet of the second Aerobic Pond 64 enters the progress mud-water separation of second pond 7 after reaction, Sludge reflux after separation is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 12h, dissolved oxygen≤0.3mg/L；The The residence time of one Aerobic Pond 62 is 22h, and dissolved oxygen 4mg/L, pH are 8；The residence time of second oxygen compatibility pool 63 is 8h, dissolved oxygen ≤0.3mg/L；The residence time of second Aerobic Pond 64 is 5h, and dissolved oxygen 4mg/L, pH are 8.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering sequentially passes through addition flocculation aid polyacrylamide in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10 Amine, and alkali lye regulation pH to 7 is added, finally flow into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：5.5 parts of calcium oxalate, 12.5 parts of iron filings, 2 parts of activated carbon, TiO215 parts, CuFe2O47.5 parts, 110 parts of porous ceramics and oxygen Change 7.5 parts of aluminium；
Under sunlight irradiation, the 3 × 10 of pending waste water weight are put into catalyst oxidation reactor 9-4Quality percentage Number is 20% H2O2The 6 × 10 of solution and pending waste water weight-4FeSO4Solid, and carry out aeration oxygen supply；
Residence time in catalyst oxidation reactor 9 is 12min.
Embodiment 4
The processing system and processing method of a kind of brewed spirit, the system include fine fack pond 1, the regulating reservoir being sequentially connected 2nd, mechanical drum device 3, preliminary sedimentation tank 4, anaerobic pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, second best Oxygen pond 64, second pond 7, intermediate pool 8, catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
Processing method is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by adding pending waste water body to preliminary sedimentation tank 4 The chemical floc of product 15% and the flocculation aid of wastewater volume 0.4% are reacted, and remove reacted flco precipitation；
Chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
(b) remove flco precipitation after preliminary sedimentation tank 4 water outlet enter anaerobic pond 5 carry out anaerobic reaction, reaction 24h after water outlet according to Secondary the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64 of entering is reacted, the first Aerobic Pond 62 nitrification liquid is back to the first oxygen compatibility pool 61, and the water outlet of the second Aerobic Pond 64 enters the progress mud-water separation of second pond 7 after reaction, Sludge reflux after separation is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 10h, dissolved oxygen≤0.3mg/L；The The residence time of one Aerobic Pond 62 is 20h, and dissolved oxygen 4mg/L, pH are 6；The residence time of second oxygen compatibility pool 63 is 10h, dissolving Oxygen≤0.3mg/L；The residence time of second Aerobic Pond 64 is 6h, and dissolved oxygen 4mg/L, pH are 6.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering sequentially passes through addition flocculation aid polyacrylamide in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10 Amine, and alkali lye regulation pH to 6.5 is added, finally flow into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：5 parts of calcium oxalate, 13 parts of iron filings, 2 parts of activated carbon, TiO213 parts, CuFe2O48 parts, 105 parts of porous ceramics and aluminum oxide 8 Part；
Under sunlight irradiation, the 2 × 10 of pending waste water weight are put into catalyst oxidation reactor 9-4Quality percentage Number is 18% H2O2The 5 × 10 of solution and pending waste water weight-4FeSO4Solid, and carry out aeration oxygen supply；
Residence time in catalyst oxidation reactor 9 is 15min.
Embodiment 5
The processing system and processing method of a kind of brewed spirit, the system include fine fack pond 1, the regulating reservoir being sequentially connected 2nd, mechanical drum device 3, preliminary sedimentation tank 4, anaerobic pond 5, the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63, second best Oxygen pond 64, second pond 7, intermediate pool 8, catalyst oxidation reactor 9, potassium permanganate composites 10, sand filter 11 and clear water reserviors 12.
Processing method is：
(a) pending brewed spirit waste water sequentially passes through the filtering of fine fack pond 1 and removes floating object, made by regulating reservoir 2 The homogeneous even amount of waste water, by the mechanical filtering solid particles of drum device 3 and by adding pending waste water body to preliminary sedimentation tank 4 The chemical floc of product 12% and the flocculation aid of wastewater volume 0.35% are reacted, and remove reacted flco precipitation；
Chemical floc is aluminium polychloride；Flocculation aid is polyacrylamide.
(b) remove flco precipitation after preliminary sedimentation tank 4 water outlet enter anaerobic pond 5 carry out anaerobic reaction, reaction 48h after water outlet according to Secondary the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64 of entering is reacted, the first Aerobic Pond 62 nitrification liquid is back to the first oxygen compatibility pool 61, and the water outlet of the second Aerobic Pond 64 enters the progress mud-water separation of second pond 7 after reaction, Sludge reflux after separation is to the first oxygen compatibility pool 61.The residence time of first oxygen compatibility pool 61 is 14h, dissolved oxygen≤0.3mg/L；The The residence time of one Aerobic Pond 62 is 24h, and dissolved oxygen 4mg/L, pH are 7.5；The residence time of second oxygen compatibility pool 63 is 12h, molten Solve oxygen≤0.3mg/L；The residence time of second Aerobic Pond 64 is 4h, and dissolved oxygen 4mg/L, pH are 7.5.
(c) water outlet of second pond 7, which is flowed into after intermediate pool 8, enters the progress catalytic oxidation of catalyst oxidation reactor 9, instead Water outlet after answering sequentially passes through addition flocculation aid polyacrylamide in potassium permanganate composites 10 and sand filter 11, potassium permanganate composites 10 Amine, and alkali lye regulation pH to 6.5 is added, finally flow into clear water reserviors 12；
Beds are provided with catalyst oxidation reactor 9；The main raw material by following parts by weight of beds Composition：6 parts of calcium oxalate, 14 parts of iron filings, 1 part of activated carbon, TiO216 parts, CuFe2O46 parts, 115 parts of porous ceramics and aluminum oxide 7 Part；
Under sunlight irradiation, the 2 × 10 of pending waste water weight are put into catalyst oxidation reactor 9-4Quality percentage Number is 20% H2O2The 5 × 10 of solution and pending waste water weight-4FeSO4Solid, and carry out aeration oxygen supply；
Residence time in catalyst oxidation reactor 9 is 10min.
Embodiment 6
The processing system and processing method of a kind of brewed spirit, the system do not include preliminary sedimentation tank 4, other structures and connection Relation is identical with system described in embodiment 1.
Processing method does not include the chemical floc and waste water that pending wastewater volume 5% is added to preliminary sedimentation tank 4 correspondingly The flocculation aid of volume 0.25% is reacted, and is made in the step of reacted flco precipitation is removed, other steps and embodiment 1 Methods described is identical.
Embodiment 7
The processing system and processing method of a kind of brewed spirit, the system do not include potassium permanganate composites 10, other knots Structure and annexation are identical with system described in embodiment 2.
Processing method does not include correspondingly adding flocculation aid polyacrylamide in potassium permanganate composites 10, and adds alkali lye tune The step of saving pH to 7.5, other steps are identical with method described in embodiment 2.
Embodiment 8
The processing system and processing method of a kind of brewed spirit, the system are in the same manner as in Example 3.
The processing method is 20h, dissolved oxygen≤0.3mg/L except the residence time of the first oxygen compatibility pool 61 in step (b)； The residence time of first Aerobic Pond 62 is 8h, and dissolved oxygen 6mg/L, pH are 7；The residence time of second oxygen compatibility pool 63 is 2h, dissolving Oxygen≤0.3mg/L；The residence time of second Aerobic Pond 64 is 10h, and dissolved oxygen 6mg/L, pH are 7, in other steps and embodiment 3 Methods described is identical.
Embodiment 9
The processing system and processing method of a kind of brewed spirit, the system are in the same manner as in Example 4.
The processing method in catalyst oxidation reactor 9 in step (c) except being not provided with beds, other steps It is identical with method described in embodiment 4.
Embodiment 10
A kind of catalyst oxidation reactor 9 in the processing system and processing method of brewed spirit, the system uses multidimensional Composite catalytic oxidation reactor, the structure of multidimensional composite catalytic oxidation reactor uses the structure in patent CN 205151915U, Specifically, as shown in Fig. 2 multidimensional composite catalytic oxidation reactor includes tank body and the He of water inlet 910 being arranged on tank body Delivery port 920, tank body is divided into treatment region one and treatment region two, tank body by tank body middle setting dividing plate is provided with beds 930, the top sealing of dividing plate upper end and tank body, lower end and the tank base of dividing plate leave from treatment region one to enter for sewage and handled It is connected with the passage in area two, tank body at bottom at the top of tracheae, tank body and is provided with exhaust outlet and dosing passage, water inlet 910 The upper end of tank body is separately positioned on treatment region one and treatment region two and is respectively positioned on delivery port 920.
Waste water enters in the tank body of multidimensional composite catalytic oxidation reactor from water inlet 910, first flows into treatment region one, due to Treatment region one and the bottom for the treatment of region two are communicated, and are urged so waste water is full of to be provided with treatment region one and treatment region two, tank body There is filler on agent bed 930, beds 930, can fully be contacted with waste water, be aerated gas of the oxygen supply by tank base Pipe is carried out, H2O2Solution and FeSO4It is added to by dosing passage in multidimensional composite catalytic oxidation reactor.
Other systems in the present embodiment are constituted and processing method is same as Example 5.
Comparative example 1
The processing system and processing method of a kind of brewed spirit, the system do not include catalyst oxidation reactor 9, other knots Structure and annexation are identical with system described in embodiment 1.
Processing method does not include the step of catalyst oxidation reactor 9 is handled correspondingly, described in other steps and embodiment 1 Method is identical.
Comparative example 2
The processing system and processing method of a kind of brewed spirit, it is aerobic that the system does not include the first oxygen compatibility pool 61, first Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64, other structures are identical with system described in the equal embodiment of annexation 2.
It is aerobic that processing method does not include the first oxygen compatibility pool 61, the first Aerobic Pond 62, the second oxygen compatibility pool 63 and second correspondingly The step of pond 64 is handled, other steps are identical with method described in embodiment 2.
Comparative example 3
The processing system and processing method of a kind of brewed spirit, the system by two-stage A/O systems (the first oxygen compatibility pool 61, First Aerobic Pond 62, the second oxygen compatibility pool 63 and the second Aerobic Pond 64) replace with one-level A/O systems (the first oxygen compatibility pool 61 and first Aerobic Pond 62), other structures are identical with system described in the equal embodiment of annexation 3.
Processing method does not include the step of the second oxygen compatibility pool 63 and processing of the second Aerobic Pond 64, other steps and reality correspondingly Apply method described in example 3 identical.
The effluent quality of each embodiment and comparative example is analyzed, analysis result is as shown in table 1-3.Each embodiment of table 1 With the water outlet COD of comparative examplecrAnalysis result
The water outlet total nitrogen analysis result of each embodiment of table 2 and comparative example
The water outlet total phosphorus analysis result of each embodiment of table 3 and comparative example
The present invention is white by pretreatment, Anaerobic Treatment, two-stage A/O processing and catalytic oxidation treatment it can be seen from table 1-3 Liquor brewing waste water, is acted synergistically by the mutual cooperation between each processing, to the obvious processing effect of brewed spirit waste water, through whole COD after individual method processingcrConcentration is down to 25mg/L, and total nitrogen content is down to 10mg/L, and total phosphorus content is down to 1mg/L, CODcrRemove Rate can reach 99.9%, and nitrogen removal rate is 97% or so, and total tp removal rate is up to more than 95%.
Embodiment 6 compared with Example 1, does not set preliminary sedimentation tank in preprocessing process and carries out flocculation precipitation reaction removal suspension Thing, early stage is in COD of the pretreatment stage to waste watercr, total nitrogen and total phosphorus removal effect decline so that last clearance Decline.
Embodiment 7 compared with Example 2, oil removal is removed after last catalytic oxidation treatment without precipitation again With tune pH, the COD of final waste watercr, total nitrogen and total phosphorus clearance decreased compared with embodiment 2.
Embodiment 8 compared with Example 3, every section of the treatment time and embodiment in two-stage A/O processing is carried out of embodiment 8 3 is different, in two-stage A/O processing stages to CODcr, total nitrogen and total phosphorus removal effect and last removal effect not strictly according to the facts Apply example 3 good, it is seen then that treatment time is inappropriate can not to obtain preferable treatment effect.
Embodiment 9 compared with Example 4, is not provided with beds, catalytic oxidation effect is not in catalyst oxidation reactor Catalytic oxidation effect as embodiment 4 is provided with beds is good, to the COD of waste watercr, total nitrogen and total phosphorus removal effect not yet As embodiment 4 is good, it is seen that catalytic oxidation effect can be lifted further after addition beds.
Embodiment 10 compared with Example 5, using the multidimensional composite catalytic oxidation reactor of specific structure urged by embodiment 10 Change oxidation effectiveness further to be lifted, COD of the embodiment 10 to brewed spirit waste watercr, total nitrogen and total phosphorus clearance in reality Highest in example 1~10 is applied, more than 99%.
Comparative example 1 compared with Example 1, not including with catalyst oxidation reactor handle waste water the step of, directly use two-stage A/O systems are handled, and comparative example 2 is compared with Example 2, only anti-with catalysis oxidation not including two-stage A/O systematic processing steps Device is answered to handle, comparative example 3 compared with Example 3, is handled with one-level A/O systems and replaces two-stage A/O systems to handle, as a result discovery pair Obvious, the comparative example 1~3 poorer than the effluent quality of the brewed spirit of embodiment 1~3 of the effluent quality of the brewed spirit of ratio 1~3 The COD of brewed spiritcr, total nitrogen and total phosphorus removal effect be decreased obviously compared with embodiment, it is seen then that the present invention is by preliminary The mutual coordinated of the catalysis oxidation advanced treating of Anaerobic Treatment, two-stage A/O biological treatments and catalyst oxidation reactor, energy Enough COD effectively removed in brewed spirit waste watercr, total nitrogen and total phosphorus, obvious processing effect.
Although being illustrated with specific embodiment and describing the present invention, but it will be appreciated that in the essence without departing substantially from the present invention Many other changes and modification can be made in the case of god and scope.It is, therefore, intended that wrapping in the following claims Include all such changes and modifications belonged in the scope of the invention.

Claims (10)

1. a kind of brewed spirit method of wastewater treatment, it is characterised in that comprise the following steps：
Waste water is preprocessed to be removed after solid particle and suspension, and Anaerobic Treatment, two-stage A/O processing and catalysis oxidation are carried out successively Processing, obtains final outflow water.
2. according to the brewed spirit method of wastewater treatment described in claim 1, it is characterised in that pretreatment includes：
Regulating step, adjusts waste water water；
Filtration step, removes solid particle；And,
First settling step, adds chemical precipitation agent and carries out precipitation reaction, remove oil removal.
3. according to the brewed spirit method of wastewater treatment described in claim 1 or 2, it is characterised in that methods described also includes two Level A/O handle laggard places precipitation process again catalytic oxidation treatment the step of；
Two-stage A/O processing includes first and oxygen processing, the first Aerobic Process for Treatment, second and oxygen processing and the second Aerobic Process for Treatment successively；
The water outlet of Anaerobic Treatment enters first and oxygen processing；The water outlet of first simultaneous oxygen processing enters the first Aerobic Process for Treatment；First is good The water outlet of oxygen processing enters second and oxygen processing, and the backflow nitrification liquid of optionally the first Aerobic Process for Treatment enters first and oxygen processing； The water outlet of second simultaneous oxygen processing enters the second Aerobic Process for Treatment；The water outlet of second Aerobic Process for Treatment enters time precipitation process, optionally secondary The returned sludge of precipitation process enters first and oxygen processing.
4. according to the brewed spirit method of wastewater treatment described in claim 3, it is characterised in that catalytic oxidation treatment is included through secondary The water outlet of precipitation process enters catalyst oxidation reactor, under light illumination, toward the interior input H of reactor2O2Solution and FeSO4, go forward side by side Row aeration oxygen supply；
Preferably, H2O2The mass percent of solution is 15%~25%, the H2O2The input amount of solution handles waste water for needed for The 10 of weight-4~5 × 10-4；
Preferably, FeSO4Put into solid form, the FeSO4Input amount the 3 × 10 of waste water weight is handled for needed for-4~ 10-3；
Preferably, the treatment time of catalytic oxidation treatment is 5~20min.
5. according to the brewed spirit method of wastewater treatment described in claim 4, it is characterised in that catalyst oxidation reactor is multidimensional Composite catalytic oxidation reactor；Beds are provided with multidimensional composite catalytic oxidation reactor；
Preferably, the beds are mainly made up of the raw material of following parts by weight：4~7 parts of calcium oxalate, iron filings 10~15 Part, 1~3 part of activated carbon, TiO210~20 parts, CuFe2O45~10 parts, 100~120 parts of porous ceramics and aluminum oxide 5~10 Part.
6. according to the brewed spirit method of wastewater treatment described in claim 4 or 5, it is characterised in that methods described also includes urging Change and carried out after oxidation processes the step of high density precipitation process obtains final outflow water with husky filter processing；
High density precipitation process includes adding alkali lye and chemical precipitation agent carries out precipitation reaction, removes oil removal；Add alkali lye tune Wastewater pH is saved to 5~6.
7. a kind of brewed spirit wastewater treatment system for realizing the brewed spirit method of wastewater treatment described in claim any one of 1-6 System, it is characterised in that including the pretreatment system being sequentially connected, anaerobic pond, two-stage A/O processing systems, catalyst oxidation reactor And clear water reserviors；
After waste water removes solid particle and suspension through the pretreatment system, sequentially enter the anaerobic pond and carry out at anaerobism Manage, two-stage A/O processing is carried out into the two-stage A/O processing systems, carry out catalysis oxidation into the catalyst oxidation reactor Handle and enter in the clear water reserviors and obtain final outflow water.
8. according to the brewed spirit Waste Water Treatment described in claim 7, it is characterised in that the pretreatment system include according to Fine fack pond, regulating reservoir, mechanical drum device and the preliminary sedimentation tank of secondary connection；The preliminary sedimentation tank is connected with the anaerobic pond.
9. according to the brewed spirit Waste Water Treatment described in claim 7 or 8, it is characterised in that the two-stage A/O processing systems Provided with connected second pond and intermediate pool between system and the catalyst oxidation reactor；
Two-stage A/O processing systems are aerobic including the first oxygen compatibility pool being sequentially connected, the first Aerobic Pond, the second oxygen compatibility pool and second Pond；First oxygen compatibility pool is connected with the anaerobic pond, and second Aerobic Pond is connected with the second pond；
Pump is additionally provided between the intermediate pool and the catalyst oxidation reactor；
Preferably, provided with the potassium permanganate composites and sand filter being connected between the catalyst oxidation reactor and the clear water reserviors； The potassium permanganate composites are connected with the catalyst oxidation reactor, and the sand filter is connected with the clear water reserviors.
10. according to the brewed spirit Waste Water Treatment described in claim 9, it is characterised in that the system also includes sludge Processing system；
Sludge treating system includes connected sludge concentrator and plate and frame filter press；
The preliminary sedimentation tank is connected with the sludge concentrator, and the second pond is connected with the sludge concentrator.
CN201710345420.7A 2017-05-16 2017-05-16 Brewed spirit method of wastewater treatment and processing system Pending CN106946419A (en)

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CN111499119A (en) * 2020-05-23 2020-08-07 杭州绿夏环境科技有限公司 Gelatin wastewater treatment system, process and reactor
CN112499837A (en) * 2020-12-23 2021-03-16 桂润环境科技股份有限公司 Treatment method and device for deep decolorization and purification of Maotai-flavor liquor brewing wastewater
CN112591978A (en) * 2020-11-16 2021-04-02 广东石油化工学院 Advanced treatment method for wastewater generated in catalytic cracking catalyst production
CN114230049A (en) * 2021-12-31 2022-03-25 贵州筑信水务环境产业有限公司 Pretreatment system for white spirit brewing wastewater catalytic oxidation coupling neutralization precipitation and application
CN114477633A (en) * 2022-01-25 2022-05-13 生态环境部华南环境科学研究所 Maotai-flavor liquor wastewater advanced treatment process and system for bundled seed liquor brewing process
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Publication number Priority date Publication date Assignee Title
CN109851085A (en) * 2018-12-27 2019-06-07 天津膜天膜科技股份有限公司 A kind of technique for treating wastewater of molasses alcohol for brewed spirit industry
CN111499119A (en) * 2020-05-23 2020-08-07 杭州绿夏环境科技有限公司 Gelatin wastewater treatment system, process and reactor
CN112591978A (en) * 2020-11-16 2021-04-02 广东石油化工学院 Advanced treatment method for wastewater generated in catalytic cracking catalyst production
CN112591978B (en) * 2020-11-16 2022-03-08 广东石油化工学院 Advanced treatment method for wastewater generated in catalytic cracking catalyst production
CN112499837A (en) * 2020-12-23 2021-03-16 桂润环境科技股份有限公司 Treatment method and device for deep decolorization and purification of Maotai-flavor liquor brewing wastewater
CN112499837B (en) * 2020-12-23 2024-03-19 桂润环境科技股份有限公司 Deep decolorization and purification treatment method and device for Maotai-flavor liquor brewing wastewater
CN114230049A (en) * 2021-12-31 2022-03-25 贵州筑信水务环境产业有限公司 Pretreatment system for white spirit brewing wastewater catalytic oxidation coupling neutralization precipitation and application
CN114477633A (en) * 2022-01-25 2022-05-13 生态环境部华南环境科学研究所 Maotai-flavor liquor wastewater advanced treatment process and system for bundled seed liquor brewing process
CN114988641A (en) * 2022-06-10 2022-09-02 怀化学院 Treatment method of liquor-making wastewater of Maotai-flavor liquor
CN114988641B (en) * 2022-06-10 2023-04-21 怀化学院 Treatment method of Maotai-flavor liquor brewing wastewater

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