CN1749184A - Method for processing city waste water and industrial organic waste water - Google Patents
Method for processing city waste water and industrial organic waste water Download PDFInfo
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- CN1749184A CN1749184A CN 200510036019 CN200510036019A CN1749184A CN 1749184 A CN1749184 A CN 1749184A CN 200510036019 CN200510036019 CN 200510036019 CN 200510036019 A CN200510036019 A CN 200510036019A CN 1749184 A CN1749184 A CN 1749184A
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Abstract
The present invention discloses method of treating city sewage and organic industrial waste water in a transverse flow biological filtering pond. The transverse flow biological filtering pond consists of mainly aerobic areas, anaerobic areas, and filtering pond in the back section. There are at least two aerobic areas and two anaerobic areas with suspended stuffing; and the filtering pond is provided with back flashing system and dephosphorizing filtering material. The city sewage and organic industrial waste water are first treated in the aerobic areas and anaerobic areas alternately and then filtered in the filtering pond before being drained. The present invention combines the advantages of biological filtering pond, immersed biological filtering pond and aerobic biological filtering pond to form the transverse flow biological filtering pond with high treating effect and low treating cost.
Description
Technical field
The present invention relates to a kind of sewage disposal technology, relate in particular to the treatment process of a kind of municipal effluent and industrial organic waste water.
Background technology
Traditional biological filter has reduced investment, characteristics that working cost is low, but owing to be vertical-flow, therefore have following defective: the residence time is short, inhomogeneous, the easy obstruction of water distribution, poor processing effect, and also treatment capacity is little, only is suitable for small-scale sewage disposal.It is effective that biological contact oxidation process (submerged biological filter) has the CODcr of removal, the advantage that the residence time is short, but owing to there is not the anaerobic treatment district, the entire treatment pond all needs aeration, has increased energy consumption; And do not have denitrification and release phosphorus process, poor denitrification and dephosphorization effect; Hanging filler needs mounting bracket, has increased investment, and easy care not; Water after the processing also needs settling tank to precipitate can qualified discharge, has increased the investment of settling tank; It is effective that BAF has CODcr, the SS of removal, the advantage that the residence time is short, and do not have settling tank, reduced construction investment; But before BAF, increased anaerobic treatment and settling system, and whole aerobic treatment system needs air water back washing, increased the difficulty of investment and operational management; And phosphorus is not up to standard, needs to increase coagulating treatment; Ammonia nitrogen has only nitrated, does not have denitrification, and denitrogenation if desired also will be back to system for anaerobic treatment with the water after handling, and has increased energy consumption and investment.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, providing a kind of integrates the advantage of aforesaid method and forms cross-flow type biological filter sewage disposal technology, construction investment and processing cost can either be reduced, the treatment process of the municipal effluent and the industrial organic waste water of treatment effect can be improved again.
Purpose of the present invention is achieved by the following technical programs:
The treatment process of a kind of municipal effluent provided by the invention and industrial organic waste water, adopt the cross-flow type biological filter tank sewage water treating method, the cross-flow type biological filter mainly is made of aerobic zone, anaerobic zone and the filtering basin that are in back segment, wherein aerobic zone and anaerobic zone have two respectively at least, and filtering basin are furnished with back-purge system; In aerobic zone and anaerobic zone, adopt floating stuffing, in filtering basin, adopt the dephosphorization filtrate to handle; The alternate treatment repeatedly of sewage process aerobic zone and anaerobic zone, but just qualified discharge of filter passed through at last.
The present invention combines the advantage of biological filter, submerged biological filter, BAF, has formed cross-flow type biological filter treatment technology.Sewage, is used the filtering basin that are added with the dephosphorization filtrate instead and is handled at back segment cancellation settling tank at the multiple-stage treatment of cross-flow type biological filter leading portion through aerobic zone and anaerobic zone.The hydraulic flow that has changed the traditional biological filter tank like this to and fluidised form, increased the hydraulic detention time of sewage, and be divided into many groups aerobic zone and anaerobic zones at interval, both can remove CODcr, BOD5, again can denitrogenation dephosphorizing.Adopt floating stuffing, specific surface area is big, reaches 250-900m
2, do not stop up, do not recoil, easy to be filmed, the concentration of microorganism be can significantly increase, thereby unit volume load and clearance improved.Adopt the dephosphorization filtrate in the biological filter of back segment, have filter tank effect and dephosphorizing, but the water after therefore handling can be particularly conducive to the processing of reuse water without clarifying just qualified discharge.For improving treatment effect, the proportion of floating stuffing of the present invention is 0.8-1, and particle diameter is 1-5cm, and specific surface area reaches 250-900m
2, its dosage is treating pond volumetrical 20-50%, and is on sale on the market.The filling thickness of described filtering basin dephosphorization filtrate is 1000-1500mm, and particle diameter is 2-3cm, and the market is on sale, and filtration velocity is controlled at 2-5m/h.
Aerobic zone of the present invention and anaerobic zone can have two respectively, and are arranged alternately; The dissolved oxygen of first aerobic zone is controlled at 2-3mg/L, and the dissolved oxygen of second aerobic zone is controlled at 1.5-2mg/L, and the dissolved oxygen of anaerobic zone is below the 0.2mg/L.Waste water obtains anaerobic treatment and aerobic treatment in the process of biological filter of flowing through, and hockets.Because just the aerobic section in necessity just carries out the aeration processing, and has only just oxygen consumption of microbial film, therefore, can reduce power consumption significantly.
Last district's essence that sewage is handled at leading portion is settling section, and the water of biological filter that enters back segment like this is then limpider, therefore, can reduce the number of times and the time of recoil.The back-purge system of filtering basin of the present invention, the recoil cycle is 1-2d, the recoil time is 15-30min, backwashing strength and general air water back washing pond with, gas is 13-15L/sm towards the gas in stage towards intensity
2, the time is 5-8min; Air water is 13-15L/sm towards the gas in stage towards intensity
2, water is 3-5/sm towards intensity
2, the time is 5-10min; Water is 5-6L/sm towards the water in stage towards intensity
2, the time is 5-10min.
The present invention has following beneficial effect:
(1) hydraulic flow that has changed the traditional biological filter tank to and fluidised form, increased the hydraulic detention time of sewage, help improving sewage treatment effect.
(2) leading portion adopts floating stuffing, and specific surface area is big, does not stop up, does not recoil, easy to be filmed, can significantly increase the concentration of microorganism, thereby improve unit volume load and clearance.The back segment filtering basin adopt the dephosphorization filtrate, have filter tank effect and dephosphorizing, but the water after therefore handling can be particularly conducive to the processing of reuse water without clarifying just qualified discharge.
(3) just just carry out aeration as required and handle, and have only just oxygen consumption of microbial film, therefore, can reduce power consumption significantly at the aerobic section of necessity.
(4) only adopt back-purge system, and it is limpider to enter the water of filtering basin, can reduces the number of times and the time of recoil at the filtering basin of back segment.
(5) contain a large amount of microorganisms owing in the biological filter, and the processing of sewage is loaded much smaller than the volumetric loading of treatment facility, mud is digested by Institute of Micro-biology, and sludge quantity seldom.
(6) construction investment and processing cost have been reduced.
Embodiment
Embodiment one:
Present embodiment adopts the cross-flow type biological filter, the cross-flow type biological filter mainly is made of the aerobic zone that is in leading portion, anaerobic zone and the filtering basin that are in back segment, wherein aerobic zone and anaerobic zone have two respectively, be arranged alternately with aerobic zone 1/ anaerobic zone 1/ aerobic zone 2/ anaerobic zone 2, anaerobic zone 2 can be used as settling section; Filtering basin have back-purge system.
Adopting the proportion of producing as Shuande, the Guangdong sharp environmental protection equipment of perseverance material factory in aerobic zone and anaerobic zone is that 0.8-1, particle diameter are the floating stuffing of 1-5cm, and dosage is a treating pond volumetrical 20%.In filtering basin, adopt the dephosphorization filtrate of producing as Shuande, the Guangdong sharp environmental protection equipment of perseverance material factory to handle.
During processing, at first municipal effluent is entered pump well through behind the grid maker, get to settling pit by water pump then, water outlet enters above-mentioned cross-flow type biological filter.Sewage is handled through aerobic zone 1/ anaerobic zone 1/ aerobic zone 2/ anaerobic zone 2 (settling section)/filtering basin, and the residence time is 3h.The dissolved oxygen of aerobic zone 1 is controlled at 2-3mg/L, and the dissolved oxygen of aerobic zone 2 is controlled at 1.5-2mg/L, and the dissolved oxygen of anaerobic zone 1 and anaerobic zone 2 can be reduced to below the 0.2mg/L naturally.The filling thickness of filtering basin dephosphorization filtrate is 1000mm, and filtration velocity is controlled at 2-5m/h.The recoil cycle is 2d, and the recoil time is 15min, backwashing strength and general air water back washing pond with, gas is 13-15L/sm towards the gas in stage towards intensity
2, the time is 5min; Air water is 13-15L/sm towards the gas in stage towards intensity
2, water is 3-5/sm towards intensity
2, the time is 5min; Water is 5-6L/sm towards the water in stage towards intensity
2, the time is 5min.
Water outlet after the processing, its result is as follows:
CODcr BOD5 NH3-N TP SS
Influent concentration: 192 105 22 3.2 220
Go out water concentration: 24 86 0.4 10
From The above results as can be seen, reached national specified discharge standard.
Embodiment two:
Present embodiment and embodiment one difference are: hydraulic detention time is 4h, and the floating stuffing dosage is a treating pond volumetrical 50%, and dephosphorization filtrate thickness is 1500mm, and the recoil cycle is 1d, and the recoil time is 30min.
Water outlet after the processing, its result is as follows:
CODcr BOD5 NH3-N TP SS
Influent concentration: 610 360 28 4.8 320
Go out water concentration: 52 12 11 0.6 12
From The above results as can be seen, reached national specified discharge standard.
Claims (5)
1, the treatment process of a kind of municipal effluent and industrial organic waste water, it is characterized in that: adopt the cross-flow type biological filter tank sewage water treating method, described cross-flow type biological filter mainly is made of aerobic zone, anaerobic zone and the filtering basin that are in back segment, wherein aerobic zone and anaerobic zone have two respectively at least, and filtering basin are furnished with back-purge system; In aerobic zone and anaerobic zone, adopt floating stuffing, in filtering basin, adopt the dephosphorization filtrate to handle; The alternate treatment repeatedly of sewage process aerobic zone and anaerobic zone, but just qualified discharge of filter passed through at last.
2, the treatment process of municipal effluent according to claim 1 and industrial organic waste water is characterized in that: the proportion of described floating stuffing is 0.8-1, and particle diameter is 1-5cm, and specific surface area reaches 250-900m
2, its dosage is treating pond volumetrical 20-50%.
3, the treatment process of municipal effluent according to claim 1 and industrial organic waste water is characterized in that: the thickness of described filtering basin dephosphorization filtrate is 1000-1500mm, and particle diameter is 2-3cm, and filtration velocity is controlled at 2-5m/h.
4, the treatment process of municipal effluent according to claim 1 and industrial organic waste water is characterized in that: described aerobic zone and anaerobic zone can have two respectively, and are arranged alternately; The dissolved oxygen of first aerobic zone is controlled at 2-3mg/L, and the dissolved oxygen of second aerobic zone is controlled at 1.5-2mg/L, and the dissolved oxygen of anaerobic zone is below the 0.2mg/L.
5, the treatment process of municipal effluent according to claim 1 and industrial organic waste water is characterized in that: the back-purge system of described filtering basin, and the recoil cycle is 1-2d, and the recoil time is 15-30min, and gas is 13-15L/sm towards the gas in stage towards intensity
2, the time is 5-8min; Air water is 13-15L/sm towards the gas in stage towards intensity
2, water is 3-5/sm towards intensity
2, the time is 5-10min; Water is 5-6L/sm towards the water in stage towards intensity
2, the time is 5-10min.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100360192A CN100371266C (en) | 2005-07-21 | 2005-07-21 | Method for processing city waste water and industrial organic waste water |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100360192A CN100371266C (en) | 2005-07-21 | 2005-07-21 | Method for processing city waste water and industrial organic waste water |
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| CN1749184A true CN1749184A (en) | 2006-03-22 |
| CN100371266C CN100371266C (en) | 2008-02-27 |
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| CNB2005100360192A Expired - Fee Related CN100371266C (en) | 2005-07-21 | 2005-07-21 | Method for processing city waste water and industrial organic waste water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637672B (en) * | 2009-08-17 | 2011-07-20 | 东莞市华清净水技术有限公司 | Precipitation technology applicable to treatment of river sewage, urban sewage and industrial sewage |
| CN102417277A (en) * | 2011-10-24 | 2012-04-18 | 沈阳建筑大学 | Method for processing high salinity wastewater with A/O biofilter |
| CN102020395B (en) * | 2009-09-11 | 2012-09-05 | 上海浩为环境工程有限公司 | Decentralized sewage treatment method |
| CN109095714A (en) * | 2018-08-29 | 2018-12-28 | 李磊 | A kind of good anaerobism alternative expression sewage purifier and purification process |
| CN109205956A (en) * | 2018-10-31 | 2019-01-15 | 浙江工业大学上虞研究院有限公司 | A kind of apparatus and method using A/O biology film process sanitary sewage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100271942B1 (en) * | 1998-09-26 | 2000-11-15 | 박호군 | Method for treating high density waste water and apparatus therefore using soil microbe with do controlling aeration tank |
| CN2606743Y (en) * | 2003-03-28 | 2004-03-17 | 詹伯君 | Filter of waste water bio-chemical processing pool |
| CN1268555C (en) * | 2003-05-08 | 2006-08-09 | 大韩通运株式会社 | Lixiviation type film separating system for sewage and waste water high treatment |
-
2005
- 2005-07-21 CN CNB2005100360192A patent/CN100371266C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637672B (en) * | 2009-08-17 | 2011-07-20 | 东莞市华清净水技术有限公司 | Precipitation technology applicable to treatment of river sewage, urban sewage and industrial sewage |
| CN102020395B (en) * | 2009-09-11 | 2012-09-05 | 上海浩为环境工程有限公司 | Decentralized sewage treatment method |
| CN102417277A (en) * | 2011-10-24 | 2012-04-18 | 沈阳建筑大学 | Method for processing high salinity wastewater with A/O biofilter |
| CN102417277B (en) * | 2011-10-24 | 2014-07-02 | 沈阳建筑大学 | Method for processing high salinity wastewater with A/O biofilter |
| CN109095714A (en) * | 2018-08-29 | 2018-12-28 | 李磊 | A kind of good anaerobism alternative expression sewage purifier and purification process |
| CN109095714B (en) * | 2018-08-29 | 2022-02-25 | 李磊 | Aerobic-anaerobic alternate sewage purification tank and purification process |
| CN109205956A (en) * | 2018-10-31 | 2019-01-15 | 浙江工业大学上虞研究院有限公司 | A kind of apparatus and method using A/O biology film process sanitary sewage |
| CN109205956B (en) * | 2018-10-31 | 2021-08-06 | 浙江工业大学上虞研究院有限公司 | Device and method for treating domestic sewage by utilizing A/O (anaerobic/oxic) biomembrane |
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| CN100371266C (en) | 2008-02-27 |
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Assignee: Shenzhen Master Environment Virescence & Construction Co., Ltd. Assignor: Jian Fangling Contract fulfillment period: 2008.9.15 to 2016.9.15 contract change Contract record no.: 2008440000377 Denomination of invention: Method for processing city waste water and industrial organic waste water Granted publication date: 20080227 License type: Exclusive license Record date: 20081118 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.15 TO 2016.9.15; CHANGE OF CONTRACT Name of requester: SHENZHEN CITY WANXINDA ENVIRONMENT GREENING CONSTR Effective date: 20081118 |
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Granted publication date: 20080227 Termination date: 20110721 |