CN107364955A - A kind of colonization method for being used to handle the filler of sanitary sewage - Google Patents

A kind of colonization method for being used to handle the filler of sanitary sewage Download PDF

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Publication number
CN107364955A
CN107364955A CN201710640197.9A CN201710640197A CN107364955A CN 107364955 A CN107364955 A CN 107364955A CN 201710640197 A CN201710640197 A CN 201710640197A CN 107364955 A CN107364955 A CN 107364955A
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biofilm
filler
handle
sanitary sewage
colonization method
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CN201710640197.9A
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CN107364955B (en
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李新琦
张�浩
唐晶
刘华
刘芳芳
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Jiangsu Crrc Huateng Environmental Protection Technology Co ltd
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Shandong Zhongche Huateng Environmental Technology Co Ltd
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    • 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
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1268Membrane bioreactor systems
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention discloses a kind of colonization method for being used to handle the filler of sanitary sewage, it solves the problems, such as that domestic sewage treatment device biofilm is slow, and having improves the biofilm effect of nitrifier, shortens the effect that equipment starts the time;Its technical scheme is:First, activated sludge is inoculated into the sequencing batch reactor equipped with filler, it is vexed to expose 2 days;Then, nutritional agents is added, using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 10h as a cycle of operation, runs 2 cycles daily, biofilm enters the reversible biofilm stage by irreversible biofilm;Change service condition and sludge concentration, using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 22h as a cycle of operation, run 1 cycle daily, biofilm process is completed after persistently cultivating a couple of days.

Description

A kind of colonization method for being used to handle the filler of sanitary sewage
Technical field
The invention belongs to sanitary sewage disposal technical field, more particularly to a kind of extension for being used to handle the filler of sanitary sewage Film method.
Background technology
The biological treatment of sewage is broadly divided into activated sludge process, biomembrance process and natural ecological resource.
Activated sludge process fluctuation of service, needs regular spoil disposal, easy sludge bulking, to the wastewater treatment efficiency of low concentration compared with Difference, it is unsuitable for residents domestic sewage treatment device;Natural ecological resource mainly includes stabilization pond, slow land treatment system, quick Filtration system, overland flow treatment system, wet land treating system and underground seepage & filter treatment system etc., its have floor space compared with Greatly, the shortcomings of load is smaller, it is unsuitable for being individually used for the processing of dispersant type domestic wastewater;The technique of biomembrance process mainly has biology Rotating disk, biofilter, biological fluidized bed and bio-contact oxidation etc., its essence is the microorganisms such as heterotroph, nitrifier by dividing Secrete the materials such as extracellular polymeric to be attached on filtrate or carrier, growth and breeding, form biomembrane.It has that sludge age is longer, fits In the growth attachment that the generation cycles such as nitrifier are longer, the problem of no sludge bulking, the adaptability that is changed to water quality, water By force, the sludge settling to come off is good, can handle the sewage of low concentration, the advantages that operation easy to maintain and energy-conservation, suitable for distributing The processing of sanitary sewage.
At present, China rural area exist sewage disposal carbon and nitrogen removal it is ineffective, it is difficult to reach the water outlet water of different regions The problem of matter standard.To find out its cause, the habits and customs of different geographical resident, water habits and number of users are different, influent quality Complexity, the sewage disposal device starting period is caused to be grown, it is difficult to the operation mechanism brought into normal play.
Therefore, how to shorten the startup time using biomembrance process as the sewage disposal device of core, ensure equipment in short-term The interior operation mechanism brought into normal play, it is most important to the carbon and nitrogen removal effect of sanitary sewage to improve equipment.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of biofilm side for being used to handle the filler of sanitary sewage Method, solve the problems, such as that domestic sewage treatment device biofilm is slow, there is the biofilm effect for improving nitrifier, shortening equipment to start for it The effect of time.
The present invention uses following technical proposals:
A kind of colonization method for being used to handle the filler of sanitary sewage, comprises the following steps:
Step 1:Activated sludge is inoculated into the sequencing batch reactor equipped with filler, vexed to expose 2 days, mud mixed liquid of degrading In original nutriment, microorganism is in the endogenous respiration phase, while increase the time of contact of sludge and carrier;
Step 2:Nutritional agents is added, promotes the growth and breeding of microorganism, with quiet heavy 1h, draining 0.5h, water inlet 0.5h and exposure Gas 10h runs 2 cycles, biofilm enters the reversible biofilm stage by irreversible biofilm daily as a cycle of operation;
Step 3:Change service condition and sludge concentration, using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 22h as One cycle of operation, 1 cycle is run daily, nutrition and the oxygen of abundance are provided for biomembrane, remain suitable for nitrifier existence The environmental condition (temperature, pH and DO) of growth, nitrifier adhesion amount is improved, increase biofilm thickness, improve the anti-impact of biomembrane Hit the ability of load;Biofilm process is completed after persistently cultivating a couple of days.
Further, in described step 2, persistently cultivate to 7 days, biofilm enters reversible biofilm rank by irreversible biofilm Section.
Further, in described step 2, maintenance DO is 4-6mg/L, temperature>20℃.
Further, in described step 3, persistently cultivate to 10 days, complete biofilm process.
Further, described nutritional agents includes medicament stoste and micro- stoste, and described medicament stoste includes second Sour sodium, 513mg/L;Ammonium chloride, 308mg/L, dipotassium hydrogen phosphate, 220mg/L, CALCIUM CHLORIDE DIHYDRATE, 5mg/L and seven hydrated sulfuric acids Magnesium, 50mg/L;
Described micro- stoste includes FeSO4·7H2O, 1g/L;MnSO4·4H2O, 4g/L;ZnSO4·7H2O, 8.8g/L;CoCl2·6H2O, 0.4g/L;H3BO4, 0.56g/L;Na2MoO4·2H2O, 0.52g/L;CuSO4·5H2O, 0.2g/L And NiCl2·6H2O, 0.2g/L.
Further, the filling rate of the filler in described sequencing batch reactor is 50%.
Further, activated sludge concentration is 2000mg/L in described step 1.
Further, after the completion of biofilm, it is 300mg/L, NH that biofilm filler is put into COD3- N is 35mg/L nutrition In agent, the COD of biofilm filler clearance and NH are detected after lasting aeration3- N clearance.
Further, the filling rate of described biofilm filler is 50%.
Further, after being aerated 4h, COD clearance is investigated;After being aerated 22h, NH is investigated3- N clearance.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, the present invention is advantageous to a large amount of microorganisms attachments, increase life using specific surface area is big, the novel carriers of good hydrophilic property Thing film thickness;
2nd, the present invention uses suitable nutrition agent prescription, controls different operational factor and sludge concentration, biofilm speed is fast, Nitrifier biofilm effect is good, under the conditions of control environment, operation 10 days preliminary biofilms that can complete carrier of culture, significantly improves Biofilm efficiency;
3rd, the present invention is easy to operate, practical, can shorten equipment and start the time.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the slow deficiency of domestic sewage treatment device biofilm in the prior art be present, in order to Solves technical problem as above, present applicant proposes a kind of colonization method for being used to handle the filler of sanitary sewage.
In a kind of typical embodiment of the application, there is provided a kind of biofilm side for being used to handle the filler of sanitary sewage Method, comprise the following steps:
Step 1:Appropriate filler is taken to be added in sequencing batch reactor, filling rate 50%;
Step 2:The activated sludge in certain appropriate sewage disposal plant aeration tank is taken, is added in sequencing batch reactor, sludge Concentration is 2000mg/L, and small tolerance is vexed to expose 2 days, and microorganism is in the endogenous respiration phase, while is fully contacted with carrier;
Step 3:After vexed exposure terminates, the water distribution containing nutritional agents is added into sequencing batch reactor, with quiet heavy 1h, draining (maintenance DO is 4-6mg/L, temperature by 0.5h, water inlet 0.5h and aeration 10h>20 DEG C) cycle of operation is used as, operation 2 daily Cycle;Biofilm initial stage, the biomembrane of filler surface attachment is easy to fall off, persistently cultivates to 7 days, biofilm is entered by irreversible biofilm Enter the reversible biofilm stage;
Wherein, described nutritional agents includes medicament stoste and micro- stoste, and described medicament stoste includes sodium acetate, 513mg/L;Ammonium chloride, 308mg/L;Dipotassium hydrogen phosphate, 220mg/L;CALCIUM CHLORIDE DIHYDRATE, 5mg/L and bitter salt, 50mg/L;
Described micro- stoste includes FeSO4·7H2O, 1g/L;MnSO4·4H2O, 4g/L;ZnSO4·7H2O, 8.8g/L;CoCl2·6H2O, 0.4g/L;H3BO4, 0.56g/L;Na2MoO4·2H2O, 0.52g/L;CuSO4·5H2O, 0.2g/L And NiCl2·6H2O, 0.2g/L.
Step 4:Change service condition and sludge concentration, quick spoil disposal, added into sequencing batch reactor and contain nutritional agents Water distribution, using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 22h be used as a cycle of operation, daily run 1 cycle, promote Enter the growth of biomembrane, increase the thickness of biomembrane, to 10 days or so, the preliminary biofilm of carrier was completed for lasting culture.
Step 5:Biofilm filler is put into water distribution (wherein, COD 300mg/L, NH containing nutritional agents3- N is 35mg/L) In, filling rate 50%, persistently aeration, separated in time sampling detects, and that investigates biofilm filler removes carbon effect and nitrification effect Fruit.
As a result show, after being aerated 4h, COD clearance is 100%;After being aerated 22h, NH3- N clearance is 86%.
It can be seen that biofilm filler possesses preferable carbon and nitrogen removal effect.
Present application addresses domestic sewage treatment device biofilm it is slow the problem of, improve the biofilm effect of nitrifier, shortening is set The standby starting period;By adding sludge, different operational factor and sludge concentration are controlled, accelerates nitrifier biofilm speed and biomembrane Ripe speed, culture biofilm 10 days, completes preliminary biofilm.
The application is used for sewage disposal device, can acceleration equipment start, improve equipment treatment effect, and method is easy fast Victory, feasibility and practical.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of colonization method for being used to handle the filler of sanitary sewage, it is characterised in that comprise the following steps:
Step 1:Activated sludge is inoculated into the sequencing batch reactor equipped with filler, it is vexed to expose 2 days;
Step 2:Nutritional agents is added, using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 10h as a cycle of operation, daily 2 cycles are run, biofilm enters the reversible biofilm stage by irreversible biofilm;
Step 3:Change service condition and sludge concentration, one is used as using quiet heavy 1h, draining 0.5h, water inlet 0.5h and aeration 22h The cycle of operation, 1 cycle is run daily, biofilm process is completed after persistently cultivating a couple of days.
2. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Step 2 in, persistently cultivate to 7 days, biofilm enters the reversible biofilm stage by irreversible biofilm.
3. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Step 2 in, maintenance DO is 4-6mg/L, temperature>20℃.
4. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Step 3 in, persistently cultivate to 10 days, complete biofilm process.
5. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Nutritional agents include medicament stoste and micro- stoste, described medicament stoste includes sodium acetate, 513mg/L;Ammonium chloride, 308mg/L;Dipotassium hydrogen phosphate, 220mg/L;CALCIUM CHLORIDE DIHYDRATE, 5mg/L and bitter salt, 50mg/L;
Described micro- stoste includes FeSO4·7H2O, 1g/L;MnSO4·4H2O, 4g/L;ZnSO4·7H2O, 8.8g/L; CoCl2·6H2O, 0.4g/L;H3BO4, 0.56g/L;Na2MoO4·2H2O, 0.52g/L;CuSO4·5H2O, 0.2g/L and NiCl2·6H2O, 0.2g/L.
6. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Sequencing batch reactor in filler filling rate be 50%.
7. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that described Step 1 in activated sludge concentration be 2000mg/L.
A kind of 8. colonization method for being used to handle the filler of sanitary sewage according to claim 1, it is characterised in that biofilm After the completion of, it is 300mg/L, NH that biofilm filler is put into COD3- N is in 35mg/L nutritional agents, detects and hangs after lasting aeration The COD of film filler clearance and NH3- N clearance.
9. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 8, it is characterised in that described Biofilm filler filling rate be 50%.
10. a kind of colonization method for being used to handle the filler of sanitary sewage according to claim 8, it is characterised in that expose After gas 4h, COD clearance is investigated;After being aerated 22h, NH is investigated3- N clearance.
CN201710640197.9A 2017-07-31 2017-07-31 Film forming method of filler for treating domestic sewage Active CN107364955B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108217939A (en) * 2017-12-18 2018-06-29 桑德生态科技有限公司 Anaerobic-aerobic moving-bed biofilm reaction system handles the startup method of high ammonia-nitrogen wastewater
CN108892235A (en) * 2018-08-09 2018-11-27 南京江岛环境科技研究院有限公司 A method of for improving biofilm efficiency in water processing reactor
CN110407309A (en) * 2019-07-26 2019-11-05 段昶业 A kind of sanitary sewage disposal biochemistry adjustment method
CN113772808A (en) * 2021-10-11 2021-12-10 合肥学院 Method for hanging EPP filler on membrane in biological trickling filter
CN115159776A (en) * 2022-07-05 2022-10-11 广东轻工职业技术学院 Printing and dyeing wastewater treatment process

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030060283A (en) * 2002-01-08 2003-07-16 주식회사 환경비젼이십일 Wastewater treatment system using SBBR(Sequencing batch biofilm reactor) and equalization tank
CN101468849A (en) * 2007-12-27 2009-07-01 北京师范大学 Method for rapidly cultivating aerobic particle sludge by load control technique
CN101665308A (en) * 2009-09-11 2010-03-10 广州市市政工程设计研究院 Method for advanced treatment of landfill leachate
CN101913710A (en) * 2010-08-04 2010-12-15 中国海洋大学 Suspended packing microbial quick film forming method
CN102583722A (en) * 2012-03-12 2012-07-18 北京化工大学 Immobilized-cultivation method for aerobic granular sludge
CN102583721A (en) * 2012-03-12 2012-07-18 北京化工大学 Method for culturing load fluctuation tolerant volatile aerobic granule sludge used for low-concentration wastewater
CN102674623A (en) * 2011-03-18 2012-09-19 贵州省建筑设计研究院 Method for treating landfill leachate
CN104962505A (en) * 2015-07-30 2015-10-07 北京市市政工程设计研究总院有限公司 Immobilized nitrobacteria enrichment culture method and device in sewage treatment process
CN105548474A (en) * 2015-12-11 2016-05-04 安徽工业大学 Determination method of biochemical characteristic map of microorganism carrier for sewage treatment
CN106242045A (en) * 2016-09-22 2016-12-21 湖南大学 A kind of aerobic particle mud fast culture process

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030060283A (en) * 2002-01-08 2003-07-16 주식회사 환경비젼이십일 Wastewater treatment system using SBBR(Sequencing batch biofilm reactor) and equalization tank
CN101468849A (en) * 2007-12-27 2009-07-01 北京师范大学 Method for rapidly cultivating aerobic particle sludge by load control technique
CN101665308A (en) * 2009-09-11 2010-03-10 广州市市政工程设计研究院 Method for advanced treatment of landfill leachate
CN101913710A (en) * 2010-08-04 2010-12-15 中国海洋大学 Suspended packing microbial quick film forming method
CN102674623A (en) * 2011-03-18 2012-09-19 贵州省建筑设计研究院 Method for treating landfill leachate
CN102583722A (en) * 2012-03-12 2012-07-18 北京化工大学 Immobilized-cultivation method for aerobic granular sludge
CN102583721A (en) * 2012-03-12 2012-07-18 北京化工大学 Method for culturing load fluctuation tolerant volatile aerobic granule sludge used for low-concentration wastewater
CN104962505A (en) * 2015-07-30 2015-10-07 北京市市政工程设计研究总院有限公司 Immobilized nitrobacteria enrichment culture method and device in sewage treatment process
CN105548474A (en) * 2015-12-11 2016-05-04 安徽工业大学 Determination method of biochemical characteristic map of microorganism carrier for sewage treatment
CN106242045A (en) * 2016-09-22 2016-12-21 湖南大学 A kind of aerobic particle mud fast culture process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李颖等: "《垃圾渗滤液处理技术及工程实例》", 30 August 2008, 北京:中国环境科学出版社 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108217939A (en) * 2017-12-18 2018-06-29 桑德生态科技有限公司 Anaerobic-aerobic moving-bed biofilm reaction system handles the startup method of high ammonia-nitrogen wastewater
CN108217939B (en) * 2017-12-18 2021-04-13 桑德生态科技有限公司 Starting method for treating high ammonia nitrogen wastewater by using anoxic-aerobic moving bed biofilm reaction system
CN108892235A (en) * 2018-08-09 2018-11-27 南京江岛环境科技研究院有限公司 A method of for improving biofilm efficiency in water processing reactor
WO2020029743A1 (en) * 2018-08-09 2020-02-13 南京江岛环境科技研究院有限公司 Method for improving film formation efficiency of packing material in water treatment reactor
CN110407309A (en) * 2019-07-26 2019-11-05 段昶业 A kind of sanitary sewage disposal biochemistry adjustment method
CN113772808A (en) * 2021-10-11 2021-12-10 合肥学院 Method for hanging EPP filler on membrane in biological trickling filter
CN115159776A (en) * 2022-07-05 2022-10-11 广东轻工职业技术学院 Printing and dyeing wastewater treatment process

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