CN105731722A - Ammonia nitrogen removal device and process for chinlon chips - Google Patents

Ammonia nitrogen removal device and process for chinlon chips Download PDF

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Publication number
CN105731722A
CN105731722A CN201610077846.4A CN201610077846A CN105731722A CN 105731722 A CN105731722 A CN 105731722A CN 201610077846 A CN201610077846 A CN 201610077846A CN 105731722 A CN105731722 A CN 105731722A
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China
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pond
anaerobic
tank
waste water
grades
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CN201610077846.4A
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CN105731722B (en
Inventor
赵晓明
刘平
孙权
周海
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Hangzhou Juheshun New Material Co Ltd
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Hangzhou Juheshun New Material Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention relates to an ammonia nitrogen removal device for chinlon chips.The device comprises an anaerobic jar, wherein an overflow pipeline is arranged on the anaerobic jar, and an anaerobic sedimentation tank, an anoxic tank, a contact oxidation secondary sedimentation tank and a three-level peroxidatic reaction ternary sedimentation tank are arranged on the overflow pipeline in sequence.The device has the advantages that production process wastewater in a process wastewater pipeline and sanitary sewage in a sanitary sewer are collected in a centralized mode and homogenized through a water quality regulating reservoir, part of organic matter in wastewater is removed through the anaerobic jar, wastewater is made to pass through the anaerobic sedimentation tank, the anoxic tank, the contact oxidation secondary sedimentation tank and the three-level peroxidatic reaction ternary sedimentation tank in sequence through the overflow pipeline and then is collected through a middle pond, the content of CODcr in wastewater in the middle pond is 85-100 mg/l, the content of NH3-N is smaller than 0.1 mg/l, wastewater discharge standard is met, collection and utilization of wastewater are achieved, and environment pollution is reduced.The invention further discloses an ammonia nitrogen removal process for chinlon chips.

Description

Slices of caprone ammonia nitrogen removal device and ammonia nitrogen removal technique thereof
Technical field
The present invention relates to slices of caprone ammonia nitrogen removal device and ammonia nitrogen removal technique thereof.
Background technology
At present, existing nitrification denitrification process A-O pond, A is anoxic denitrification pond, denitrifying bacterium is utilized to pass through Denitrification, water source is utilized to make the nitrate anion in backflow, nitrous root realizes denitrification reaction and is converted into nitrogen, overflow from water and remove, and O pond utilizes aerobic degradation, the remaining Organic substance of waste water is fully decomposed, and then at the Nitrification utilizing digestion bacterium, ammonia nitrogen is realized nitration reaction, mud-water separation is carried out through the gravity flow of biochemistry sufficient water, flow into contact pond, contact pond utilizes microorganism to process remaining ammonia nitrogen and Organic substance further, the DeGrain of contact pond fall ammonia nitrogen, nitrogen and waste gas in denitrification reaction can be expelled directly out in air, serious environment pollution.
Summary of the invention
The technical problem to be solved in the present invention is just to provide slices of caprone ammonia nitrogen removal device and ammonia nitrogen removal technique thereof, can effectively solve existing contact pond fall ammonia nitrogen DeGrain and the waste gas problem that is expelled directly out air.
nullIn order to solve above-mentioned technical problem,The present invention is achieved by the following technical solutions: slices of caprone ammonia nitrogen removal device,Including anaerobic jar,An overflow pipe it is provided with on anaerobic jar,It is disposed with anaerobic precipitation pond along the overflow pipe of overflow direction、Anoxic pond、Catalytic oxidation second pond、Three grades of peroxidizations three sink pond,Connect in anoxic pond and have a sealing pipe being connected with oil furnace fan,It is provided with one on anaerobic precipitation pond and is easy to the first return duct of sludge reflux in anaerobic precipitation pond,First return duct is connected with anaerobic jar,The second return duct of a mixed-liquor return being easy in contact-oxidation pool it is provided with on catalytic oxidation second pond,Second return duct is connected with anoxic pond,Three grades of peroxidizations three are sunk and are provided with the 3rd return duct being easy to the nitrogen oxygen liquid backflow that three grades of peroxidizations three are sunk in pond on pond,3rd return duct is connected with catalytic oxidation second pond,Three grades of peroxidizations three sink to connect on pond intermediate pool,Anaerobic jar、Anoxic pond、Catalytic oxidation second pond、Three grades of peroxidizations three are sunk and are equipped with activated sludge tank in pond,Connect on anaerobic jar and have water quality adjustment pond,Connect on water quality adjustment pond and have technique waste water pipeline and sanitary sewer,Connect on anaerobic jar and have sludge concentration tank,Anaerobic precipitation pond、Anoxic pond、Catalytic oxidation second pond、Three grades of peroxidizations three are sunk pond and are all connected with sludge concentration tank,Anaerobe it is provided with in anaerobic jar,Facultative microbe it is provided with in anoxic pond,It is provided with aerobic microbiological in catalytic oxidation second pond,Three grades of peroxidizations three are sunk and are provided with oligotrophy type microorganism in pond.
Preferably, technique waste water pipeline includes workshop collecting-tank, is provided with oil interceptor in the collecting-tank of workshop, and oil interceptor connects grug feeding jar, can realize the collection of technique waste water, and the collection of the production technology waste water adapting to intermittent discharge processes, and Practical Performance is good.
Preferably, sludge concentration tank connecting and has air driven pump, air driven pump connects pressure filter, can reduce the moisture content of mud and reduce sludge volume.
Preferably, grug feeding jar includes tank body and the blender being arranged in tank body, the first discharge nozzle, the second discharge nozzle, the 3rd discharge nozzle it is provided with on tank body, first discharge nozzle, the second discharge nozzle, the 3rd discharge nozzle are all connected with oil interceptor, it is provided with dosing pump on first discharge nozzle, the second discharge nozzle, the 3rd discharge nozzle, can realize controling effectively the amount of grug feeding jar by dosing pump, Practical Performance is good.
Preferably, sanitary sewer includes sewage collecting pool and anaerobic tank, and sewage collecting pool is connected with water quality adjustment pond by anaerobic tank, can realize the unified of sanitary sewage and collect discharge, reduce the discharge of sanitary sewage.
Preferably, water quality adjustment pond is connected by water inlet pipe with anaerobic jar, is sequentially provided with regulation pump, basket filter, effusion meter along the water inlet pipe of water inlet direction, and effusion meter can realize the metering to flow, and using effect is good.
Preferably, intermediate pool connects and has effluent outfall, the uniform effluent to the sewage after processing can be realized, reduce environmental pollution.
Slices of caprone ammonia nitrogen removal technique, comprises the following steps:
Step one: production technology waste water is collected by workshop collecting-tank, it is achieved that the unified receiving to the production technology waste water of intermittent discharge;
Step 2: by sewage collecting pool, sanitary sewage be collected and process through anaerobic tank;
Step 3: the sanitary sewage that technique waste water step one collected and step 2 process carries out unifying to collect by water quality adjustment pond, reaches uniform water quality thus ensures the stability of follow-up microbial treatments;
Step 4: waste water step 3 collected enters anaerobic jar by water inlet pipe and reacts, by the anaerobe in anaerobic jar under the effect that need not external energy, automatic classifying waste water it is dissolved in the larger molecular organics of water and converts thereof into small organic molecule, carbon dioxide, methane, improving the biodegradability of waste water simultaneously;
Step 5: be delivered in the anoxic pond in anaerobic precipitation pond react by the solution that step 4 processes by overflow pipe, absorb the small organic molecule after hydrolyzing in step 4 by the facultative microbe in anoxic pond and be broken down into carbon dioxide and water, eliminate organic cod, be N by ammoxidation product nitrate reduction simultaneously2, thus remove the total nitrogen in waste water, and concentration in thickened sludge pond will be emitted into after the sludge reflux in anaerobic precipitation pond to anaerobic jar by the first return duct;
Step 6: react in the solution that step 5 processes being delivered to catalytic oxidation second pond by overflow pipe, the small organic molecule remaining by aerobic microbiological picked-up step 5 is also broken down into carbon dioxide and water, simultaneously by the NH in waste water3-N, organic nitrogen are oxidized to nitrate, it is ensured that the NH in waste water3-N is up to standard, and by the second return duct by the mixed-liquor return of reaction to anoxic pond and logical be emitted into concentration in thickened sludge pond;
Step 7: by overflow pipe, the solution that step 6 processes is delivered to three grades of peroxidizations three and sinks in pond, reduces NH in solution by oligotrophy type microorganism3-N content, and in nitrogen oxygen liquid being back to catalytic oxidation second pond by the 3rd return duct and logical be emitted into concentration in thickened sludge pond;
Step 8: the waste water that pond processes that three grades of peroxidizations three of step 7 sunk is discharged by effluent outfall after intermediate pool is collected, three grades of peroxidizations three are sunk the mud in pond and are directly discharged to concentration in thickened sludge pond;
Step 9: the mud that step 5, step 6, step 7, step 8 are emitted into thickened sludge pond by pressure filter carries out processed emission treatment.
In sum, advantages of the present invention: carry out unifying to collect and waste water is uniform by the production technology waste water in technique waste water pipeline and the sanitary sewage in sanitary sewer by water quality adjustment pond, the partial organic substances in waste water is removed by anaerobic jar, and by overflow pipe, waste water passed sequentially through anaerobic precipitation pond, anoxic pond, catalytic oxidation second pond, three grades of peroxidizations three are sunk and are collected by intermediate pool behind pond, complete to mix with water by facultative microbe in anoxic pond, be conducive to microorganism can catch rapidly Organic substance, by the second return duct, the water that contact-oxidation pool processes is back in anoxic pond, make the nitrate in waste water can be reduced removal, CODcr content in waste water in intermediate pool is 85~100mg/l, NH3-N content is less than 0.1mg/l, meets the standard of discharge of wastewater, can realize the Collection utilization of waste water, reduces environmental pollution.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structured flowchart of slices of caprone ammonia nitrogen removal device of the present invention;
Fig. 2 is the structural representation of sludge concentration tank of the present invention;
Fig. 3 is the structural representation of workshop of the present invention collecting-tank.
Detailed description of the invention
nullSuch as Fig. 1、Fig. 2、Shown in Fig. 3,Slices of caprone ammonia nitrogen removal device,Including anaerobic jar 1,An overflow pipe 21 it is provided with on anaerobic jar 1,It is disposed with anaerobic precipitation pond 2 along overflow direction overflow pipe 21、Anoxic pond 20、Catalytic oxidation second pond 9、Three grades of peroxidizations three sink pond 10,Connect in anoxic pond 20 and have a sealing pipe being connected with oil furnace fan,It is provided with one on anaerobic precipitation pond 2 and is easy to the first return duct 22 of sludge reflux in anaerobic precipitation pond 2,First return duct 22 is connected with anaerobic jar 1,The second return duct 91 of a mixed-liquor return being easy in contact-oxidation pool 9 it is provided with on catalytic oxidation second pond 9,Second return duct 91 is connected with anoxic pond 20,Three grades of peroxidizations three are sunk and are provided with the 3rd return duct 11 being easy to the nitrogen oxygen liquid backflow that three grades of peroxidizations three are sunk in pond 10 on pond 10,3rd return duct 11 is connected with catalytic oxidation second pond 9,Three grades of peroxidizations three sink to connect on pond 10 intermediate pool 12,Anaerobic jar 1、Anoxic pond 20、Catalytic oxidation second pond 9、Three grades of peroxidizations three are sunk and are equipped with activated sludge tank in pond 10,Connect on anaerobic jar 1 and have water quality adjustment pond 14,Connect on water quality adjustment pond 14 and have technique waste water pipeline 17 and sanitary sewer 18,Connect on anaerobic jar 1 and have sludge concentration tank 4,Anaerobic precipitation pond 2、Anoxic pond 20、Catalytic oxidation second pond 9、Three grades of peroxidizations three are sunk pond 10 and are all connected with sludge concentration tank 4,Anaerobe it is provided with in anaerobic jar,Facultative microbe it is provided with in anoxic pond,It is provided with aerobic microbiological in catalytic oxidation second pond,Three grades of peroxidizations three are sunk and are provided with oligotrophy type microorganism in pond,The medial wall of anoxic pond、Microbe stuffing all it is equiped with on the medial wall of contact-oxidation pool,Be conducive to microbial growth,Connect on sludge concentration tank 4 and have air driven pump 41,Connect on air driven pump 41 and have pressure filter 42,The moisture content of mud can be reduced and reduce sludge volume,Water quality adjustment pond 14 is connected by water inlet pipe with anaerobic jar 1,It is sequentially provided with regulation pump along the water inlet pipe of water inlet direction、Basket filter、Effusion meter,Effusion meter can realize the metering to flow,Using effect is good,Connect in intermediate pool 12 and have effluent outfall,The uniform effluent to the sewage after processing can be realized,Reduce environmental pollution.
nullTechnique waste water pipeline includes workshop collecting-tank 16,Oil interceptor 5 it is provided with in workshop collecting-tank 16,Connect in oil interceptor 5 and have grug feeding jar 6,The collection of technique waste water can be realized,The collection of the production technology waste water adapting to intermittent discharge processes,Practical Performance is good,Grug feeding jar 6 includes tank body 61 and the blender 62 being arranged in tank body 61,The first discharge nozzle 63 it is provided with on tank body 61、Second discharge nozzle 64、3rd discharge nozzle 65,First discharge nozzle 63、Second discharge nozzle 64、3rd discharge nozzle 65 is all connected with oil interceptor 5,First discharge nozzle 63、Second discharge nozzle 64、It is provided with dosing pump 66 on 3rd discharge nozzle 65,Can realize the amount of grug feeding jar is control effectively by dosing pump,Practical Performance is good,Sanitary sewer includes sewage collecting pool and anaerobic tank,Sewage collecting pool is connected with water quality adjustment pond by anaerobic tank,The unified of sanitary sewage can be realized and collect discharge,Reduce the discharge of sanitary sewage.
Slices of caprone ammonia nitrogen removal technique, comprises the following steps:
Step one: production technology waste water is collected by workshop collecting-tank, it is achieved that the unified receiving to the production technology waste water of intermittent discharge;
Step 2: by sewage collecting pool, sanitary sewage be collected and process through anaerobic tank;
Step 3: the sanitary sewage that technique waste water step one collected and step 2 process carries out unifying to collect by water quality adjustment pond, reaches uniform water quality thus ensures the stability of follow-up microbial treatments;
Step 4: waste water step 3 collected enters anaerobic jar by water inlet pipe and reacts, by the anaerobe in anaerobic jar under the effect that need not external energy, automatic classifying waste water it is dissolved in the larger molecular organics of water and converts thereof into small organic molecule, carbon dioxide, methane, improving the biodegradability of waste water simultaneously;
Step 5: be delivered in the anoxic pond in anaerobic precipitation pond react by the solution that step 4 processes by overflow pipe, absorb the small organic molecule after hydrolyzing in step 4 by the facultative microbe in anoxic pond and be broken down into carbon dioxide and water, eliminate organic cod, be N by ammoxidation product nitrate reduction simultaneously2, thus remove the total nitrogen in waste water, and concentration in thickened sludge pond will be emitted into after the sludge reflux in anaerobic precipitation pond to anaerobic jar by the first return duct;
Step 6: react in the solution that step 5 processes being delivered to catalytic oxidation second pond by overflow pipe, the small organic molecule remaining by aerobic microbiological picked-up step 5 is also broken down into carbon dioxide and water, simultaneously by the NH in waste water3-N, organic nitrogen are oxidized to nitrate, it is ensured that the NH in waste water3-N is up to standard, and by the second return duct by the mixed-liquor return of reaction to anoxic pond and logical be emitted into concentration in thickened sludge pond;
Step 7: by overflow pipe, the solution that step 6 processes is delivered to three grades of peroxidizations three and sinks in pond, reduces NH in solution by oligotrophy type microorganism3-N content, and in nitrogen oxygen liquid being back to catalytic oxidation second pond by the 3rd return duct and logical be emitted into concentration in thickened sludge pond;
Step 8: the waste water that pond processes that three grades of peroxidizations three of step 7 sunk is discharged by effluent outfall after intermediate pool is collected, three grades of peroxidizations three are sunk the mud in pond and are directly discharged to concentration in thickened sludge pond;
Step 9: the mud that step 5, step 6, step 7, step 8 are emitted into thickened sludge pond by pressure filter carries out processed emission treatment.
In addition to above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can be variously modified according to the present invention and deform, and without departing from the spirit of the present invention, all should belong to scope defined in claims of the present invention.

Claims (8)

1. slices of caprone ammonia nitrogen removal device, including anaerobic jar (1), it is characterised in that: anaerobic jar (1) On be provided with an overflow pipe (21), be disposed with along overflow direction overflow pipe (21) Anaerobic precipitation pond (2), anoxic pond (20), catalytic oxidation second pond (9), three grades of peroxidations , there is a sealing pipe being connected with oil furnace fan in Ying Sanchen pond (10) anoxic pond (20) upper connection, Be easy to anaerobic precipitation pond (2) interior sludge reflux first time it is provided with on anaerobic precipitation pond (2) Flow tube (22), the first return duct (22) is connected with anaerobic jar (1), catalytic oxidation second pond (9) On be provided with second return duct (91) of a mixed-liquor return being easy in contact-oxidation pool (9), Second return duct (91) is connected with anoxic pond (20), and three grades of peroxidizations three are sunk on pond (10) It is provided with the 3rd backflow being easy to the nitrogen oxygen liquid backflow that three grades of peroxidizations three are sunk in pond (10) Pipe (11), the 3rd return duct (11) is connected with catalytic oxidation second pond (9), three grades of peroxidations The upper connection in Ying Sanchen pond (10) has an intermediate pool (12), anaerobic jar (1), anoxic pond (20), Catalytic oxidation second pond (9), three grades of peroxidizations three are sunk and are equipped with activated sludge tank in pond (10), The upper connection of anaerobic jar (1) has water quality adjustment pond (14), and water quality adjustment pond (14) upper connection has technique Waste pipe (17) and sanitary sewer (18), the upper connection of anaerobic jar (1) has sludge concentration tank (4), anaerobic precipitation pond (2), anoxic pond (20), catalytic oxidation second pond (9), three grades of mistakes Oxidation reaction three is sunk pond (10) and is all connected with sludge concentration tank (4), is provided with the micro-life of anaerobism in anaerobic jar Thing, is provided with facultative microbe, is provided with aerobic microbiological in catalytic oxidation second pond in anoxic pond, three grades Peroxidization three is sunk and is provided with oligotrophy type microorganism in pond.
Slices of caprone ammonia nitrogen removal device the most according to claim 1, it is characterised in that: technique waste water Pipeline includes workshop collecting-tank (16), is provided with oil interceptor (5) in workshop collecting-tank (16), every The upper connection of oil sump (5) has grug feeding jar (6).
Slices of caprone ammonia nitrogen removal device the most according to claim 2, it is characterised in that: sludge condensation The upper connection in pond (4) has air driven pump (41), and the upper connection of air driven pump (41) has pressure filter (42).
Slices of caprone ammonia nitrogen removal device the most according to claim 3, it is characterised in that: grug feeding jar (6) Including tank body (61) and the blender (62) that is arranged in tank body (61), tank body sets on (61) Being equipped with the first discharge nozzle (63), the second discharge nozzle (64), the 3rd discharge nozzle (65), first goes out Material pipe (63), the second discharge nozzle (64), the 3rd discharge nozzle (65) are all connected with oil interceptor (5), It is provided with meter on first discharge nozzle (63), the second discharge nozzle (64), the 3rd discharge nozzle (65) Amount pump (66).
Slices of caprone ammonia nitrogen removal device the most according to claim 2, it is characterised in that: sanitary sewage Pipeline includes sewage collecting pool and anaerobic tank, and sewage collecting pool is by anaerobic tank (3) and water quality adjustment pond It is connected.
Slices of caprone ammonia nitrogen removal device the most according to claim 5, it is characterised in that: water quality adjustment Pond (14) is connected by water inlet pipe with anaerobic jar (1), is sequentially provided with tune along the water inlet pipe of water inlet direction Joint pump, basket filter, effusion meter.
Slices of caprone ammonia nitrogen removal device the most according to claim 6, it is characterised in that: intermediate pool (12) upper connection has effluent outfall (19).
8. using the ammonia nitrogen removal technique of slices of caprone ammonia nitrogen removal device as claimed in claim 7, it is special Levy and be: comprise the following steps:
Step one: by workshop collecting-tank, production technology waste water is collected, it is achieved that to intermittent discharge The unified receiving of production technology waste water;
Step 2: by sewage collecting pool, sanitary sewage be collected and process through anaerobic tank;
Step 3: the sanitary sewage that technique waste water step one collected and step 2 process passes through water quality adjustment Pond carries out unifying to collect, and reaches uniform water quality thus ensures the stability of follow-up microbial treatments;
Step 4: waste water step 3 collected enters anaerobic jar by water inlet pipe and reacts, and passes through anaerobism Anaerobe in tank, under the effect that need not external energy, is dissolved in water in automatic classifying waste water Larger molecular organics and convert thereof into small organic molecule, carbon dioxide, methane, improve simultaneously The biodegradability of waste water;
Step 5: the solution that step 4 processes is delivered to the anoxic pond in anaerobic precipitation pond by overflow pipe Inside reacting, the little molecule absorbed after hydrolyzing in step 4 by the facultative microbe in anoxic pond is had Machine thing is also broken down into carbon dioxide and water, eliminates organic cod, simultaneously by ammoxidation product nitric acid Salt is reduced to N2, thus remove the total nitrogen in waste water, and by the first return duct by anaerobic precipitation pond Sludge reflux to being emitted into concentration in thickened sludge pond after anaerobic jar;
Step 6: carry out in the solution that step 5 processes being delivered to catalytic oxidation second pond by overflow pipe Reaction, the small organic molecule remaining by aerobic microbiological picked-up step 5 is also broken down into dioxy Change carbon and water, simultaneously by the NH in waste water3-N, organic nitrogen are oxidized to nitrate, it is ensured that the NH in waste water3-N Up to standard, and by the second return duct by the mixed-liquor return of reaction to anoxic pond and logical be emitted into concentration dirt Concentration in mud sump;
Step 7: by overflow pipe, the solution that step 6 processes is delivered to three grades of peroxidizations three and sinks pond In, reduce NH in solution by oligotrophy type microorganism3-N content, and by the 3rd return duct by nitrogen oxygen liquid It is back in catalytic oxidation second pond and logical is emitted into concentration in thickened sludge pond;
Step 8: the waste water that pond processes that three grades of peroxidizations three of step 7 sunk is logical after intermediate pool is collected Crossing effluent outfall discharge, the mud that three grades of peroxidizations three are sunk in pond is directly discharged to thickened sludge Concentration in pond;
Step 9: step 5, step 6, step 7, step 8 are emitted into thickened sludge by pressure filter The mud in pond carries out processed emission treatment.
CN201610077846.4A 2016-02-03 2016-02-03 Slices of caprone technique waste water processing unit and its processing method Active CN105731722B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111439891A (en) * 2020-04-15 2020-07-24 绍兴国鑫环保工程有限公司 Industrial ammonia nitrogen removal process

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EP0822165B1 (en) * 1996-07-31 2004-05-26 Haskoning Nederland B.V. Method for the treatment of waste water
CN101503267A (en) * 2009-03-13 2009-08-12 哈尔滨工业大学 Coal chemical industry wastewater treating method
CN101830600A (en) * 2010-03-23 2010-09-15 天津大学 Method for treating comprehensive electroplating wastewater
CN104787958A (en) * 2014-01-21 2015-07-22 贵州澳源环保科技有限公司 Culturing farm sewage treatment system, and sewage treatment method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822165B1 (en) * 1996-07-31 2004-05-26 Haskoning Nederland B.V. Method for the treatment of waste water
KR20020028410A (en) * 2000-10-09 2002-04-17 어성욱 Nitrogen and phosphorus removal process from sewage and waste water by 2A/O RBC with internal settler
CN101503267A (en) * 2009-03-13 2009-08-12 哈尔滨工业大学 Coal chemical industry wastewater treating method
CN101830600A (en) * 2010-03-23 2010-09-15 天津大学 Method for treating comprehensive electroplating wastewater
CN104787958A (en) * 2014-01-21 2015-07-22 贵州澳源环保科技有限公司 Culturing farm sewage treatment system, and sewage treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111439891A (en) * 2020-04-15 2020-07-24 绍兴国鑫环保工程有限公司 Industrial ammonia nitrogen removal process

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