CN105399285B - A kind of sludge reduction sewage water treatment method - Google Patents

A kind of sludge reduction sewage water treatment method Download PDF

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Publication number
CN105399285B
CN105399285B CN201510979460.8A CN201510979460A CN105399285B CN 105399285 B CN105399285 B CN 105399285B CN 201510979460 A CN201510979460 A CN 201510979460A CN 105399285 B CN105399285 B CN 105399285B
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sludge
reaction stage
sewage
aerobic
stage
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CN105399285A (en
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潘坚强
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Hangzhou Yiyu Environmental Protection Technology Co Ltd
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Hangzhou Yiyu Environmental Protection 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
    • 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
    • C02F11/02—Biological treatment
    • 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
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/341—Consortia of bacteria
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2103/001—Runoff or storm water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • 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
    • C02F2301/04—Flow arrangements
    • 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
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • 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
    • 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
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • 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
    • Y02W10/20—Sludge processing

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The present invention relates to sewage water treatment methods, disclose a kind of sludge reduction sewage water treatment method, including anaerobic reaction stage and the aerobic stage of reaction, regulating device of the sludge reflux that two benches generate to before reacting, wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of=90%, strain includes acinetobacter and Lampropedia chromabacterium biolaceum category and double bacterium, lactic acid bacteria, bacillus, acetic acid bacteria, actinomyces, saccharomycete, fusobacteriums in sludge.The present invention is using Mixed Microbes digestion removal BOD and COD, and production mud is few, and demoulding is fast, does not need to add flocculant, and operating cost is low, and sludge yield is only the 10% of common process technique, reduces Treatment of Sludge cost, avoids the secondary pollution of sludge.

Description

A kind of sludge reduction sewage water treatment method
Technical field
The present invention relates to sewage water treatment method more particularly to a kind of sludge reduction sewage water treatment methods.
Background technology
As China's urbanization and Industrial Waste Water Treatments ability greatly improve, generated in corresponding sewage disposal process Surplus sludge volume is also increasingly huge, and every year with 10%~15% speed increase, and sludge pollution is on the rise, and Treatment of Sludge is asked Topic highlights.The current sludge in China is mainly with formal layouts such as compost, landfills, in mix, if not processing sludge mistake The excess sludge generated in journey is disposed, and the pollutants such as pathogenic microorganism contained therein, heavy metal are transferred in ambient enviroment Cause secondary pollution.
People are concentrated mainly on end treatment to the processing concern of Treatment of Sludge, and the process that seldom sludge occurs is ground Study carefully.The Sludge Reduction Technologies studied both at home and abroad at present mainly have ozonation technology, ultrasonic disruption cell technology, uncoupling skill Art, soda acid dissolving technology, but all there are of high cost or technical bottlenecks, do not form certain market application.Sludge at present The huge sludge output for the treatment of plant has been highlighted with the incomplete contradiction of sludge disposal technology, if not controlling the yield of sludge, Sludge is made to be reduced from source, and only with end treatment, then no matter using which kind of Treatment of Sludge or disposal technology, all difficult handle Sludge problem is resolved.
Invention content
The present invention is directed to the shortcomings that sludge yield in existing sewage disposal technology is huge, and Treatment of Sludge is difficult, of high cost, carries A kind of sludge reduction sewage water treatment method being reduced from the source generated from sludge is supplied.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of sludge reduction sewage water treatment method, includes the following steps：
Step (1)：Sewage in regulating reservoir sequentially enters the anaerobic reaction stage, and sedimentation basin, precipitation separation are entered after reaction Sewage enter aerobic reaction stage, sludge reflux to regulating reservoir；
Step (2)：For sewage after the aerobic reaction stage, filtering precipitation precipitates the sludge reflux of separation to regulating reservoir, water Matter stably reaches national secondary discharge standard；
Wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of= 90%, strain includes acinetobacter, Lampropedia, chromabacterium biolaceum category, double bacterium, lactic acid bacteria, bacillus, acetic acid in sludge Bacterium, actinomyces, saccharomycete, fusobacterium.
Sewage disposal is handled using Mixed Microbes, can digest having in sewage by the different metabolic path of different microorganisms Machine object reduces the content of organics of sewage；Containing clostridium microorganism belonging to genus in Mixed Microbes, can digested sludge, play mud decrement The purpose of change.
Preferably, in step (1), the anaerobic reaction stage includes passing through first order anaerobic reaction stage and the second level successively The anaerobic reaction stage.In the first order anaerobic reaction stage, facultative and anaerobe raised growth, in second level anaerobic reaction rank Section, anaerobic bacteria largely consume the organic matter in sewage, reduce the COD value of sewage.
Preferably, in step (2), the aerobic reaction stage includes passing through first order aerobic reaction stage and the second level successively The aerobic reaction stage.In the first order aerobic reaction stage, facultative and aerobic microbiological raised growth, in the second aerobic reaction rank Section, aerobic bacteria largely consume the organic matter in sewage, reduce the COD value of sewage.
Preferably, in step (2), using biochemical filtration, filter medium is the stack layer that sandstone is formed for filtering.Sandstone or Gravel is accumulated to form stack layer as filter medium, can effectively intercept the bacterium mud in sewage, good filtration effect is efficient, together When have many advantages, such as that slag dumping is convenient.
Preferably, fusobacterium viable count accounts for 50% or more of all number of viable in sludge.Fusobacterium obligate anaerobic, Mostly several is chemoheterotrophic bacteria；Some chemoautotrophic bacterias or chemolithotrophy.It can be with hydrolysis sugar, protein, or both all Nothing or both all has.They usually generate the organic acid and alcohols of mixing from sugar or peptone.
The present invention sludge include fusobacterium, aerobic stage can a large amount of digested sludges, reach sludge reduction arrange The demand put, reduces Sludge in Sewage Treatment cost of disposal, greatly reduces artificial and operating cost.
Specific embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment 1
A kind of sludge reduction sewage water treatment method, includes the following steps：
Step (1)：Sewage in regulating reservoir sequentially enters the anaerobic reaction stage, and sedimentation basin, precipitation separation are entered after reaction Sewage enter aerobic reaction stage, sludge reflux to regulating reservoir；
Step (2)：For sewage after the aerobic reaction stage, filtering precipitation precipitates the sludge reflux of separation to regulating reservoir, water Matter stably reaches national grade one discharge standard；
Wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of= 90%, strain includes acinetobacter, Lampropedia, chromabacterium biolaceum category, double bacterium, lactic acid bacteria, bacillus, acetic acid in sludge Bacterium, actinomyces, saccharomycete, fusobacterium, sludge reflux amount >=80% after anaerobic reaction.
Concrete technology flow process：
(1) pending a concentration of 1000-2000mg/l of influent waste water COD；
(2) waste water is flowed into automatic grid maker by pipeline, after filtering out the larger solid content of volume, into regulating reservoir, It is uniformly mixed with the sludge of reflux；
(3) it is pumped into first order anaerobic reation pool with the mixed sewage of returned sludge, anaerobic digestion, during hydraulic retention Between be 24 hours；
(4) continue to be pumped into second level anaerobic reation pool, hydraulic detention time is 24 hours；
(5) sewage is pumped into sedimentation basin after anaerobic digestion, and after precipitation, waste water is pumped into the aerobic reaction stage, and 80% The sludge of amount is by pipe to being back to regulating reservoir；
(6) excess sludge is pumped into first order aerobic reaction tank, aerobic reaction with sewage, and hydraulic detention time is 12 small When；
(7) continue to be pumped into second level aerobic reaction tank, hydraulic detention time is 6 hours；
(8) sewage is pumped into biochemical filter tank after aerobic reaction, wherein, the stack layer that filter medium is formed for sandstone, water The power residence time is 4 hours；
(9) continue to be pumped into sedimentation basin, precipitating sludge infinite reflux to regulating reservoir, treated, and water emits；
(10) the water COD value of discharge is 50-100mg/l.
Embodiment 2
A kind of sludge reduction sewage water treatment method, includes the following steps：
Step (1)：Sewage in regulating reservoir sequentially enters the anaerobic reaction stage, and sedimentation basin, precipitation separation are entered after reaction Sewage enter aerobic reaction stage, sludge reflux to regulating reservoir；
Step (2)：For sewage after the aerobic reaction stage, filtering precipitation precipitates the sludge reflux of separation to regulating reservoir, water Matter stably reaches national grade one discharge standard；
Wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of= 90%, strain includes acinetobacter, Lampropedia, chromabacterium biolaceum category, double bacterium, lactic acid bacteria, bacillus, acetic acid in sludge Bacterium, actinomyces, saccharomycete, fusobacterium, sludge reflux amount >=80% after anaerobic reaction.
Concrete technology flow process：
(1) pending a concentration of 1000-2000mg/l of influent waste water COD；
(2) waste water is flowed into automatic grid maker by pipeline, after filtering out the larger solid content of volume, into regulating reservoir, It is uniformly mixed with the sludge of reflux；
(3) it is pumped into first order anaerobic reation pool with the mixed sewage of returned sludge, anaerobic digestion, during hydraulic retention Between be 24 hours；
(4) continue to be pumped into second level anaerobic reation pool, hydraulic detention time is 12 hours；
(5) sewage is pumped into sedimentation basin after anaerobic digestion, and after precipitation, waste water is pumped into the aerobic reaction stage, and 80% The sludge of amount is by pipe to being back to regulating reservoir；
(6) excess sludge is pumped into first order aerobic reaction tank, aerobic reaction with sewage, and hydraulic detention time is 6 small When；
(7) continue to be pumped into second level aerobic reaction tank, hydraulic detention time is 12 hours；
(8) sewage is pumped into biochemical filter tank after aerobic reaction, wherein, the stack layer that filter medium is formed for sandstone, water The power residence time is 4 hours；
(9) continue to be pumped into sedimentation basin, precipitating sludge infinite reflux to regulating reservoir, treated, and water emits；
(10) the water COD value of discharge is 50-100mg/l.
Embodiment 3
A kind of sludge reduction sewage water treatment method, includes the following steps：
Step (1)：Sewage in regulating reservoir sequentially enters the anaerobic reaction stage, and sedimentation basin, precipitation separation are entered after reaction Sewage enter aerobic reaction stage, sludge reflux to regulating reservoir；
Step (2)：For sewage after the aerobic reaction stage, filtering precipitation precipitates the sludge reflux of separation to regulating reservoir, water Matter stably reaches national grade one discharge standard；
Wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of= 90%, strain includes acinetobacter, Lampropedia, chromabacterium biolaceum category, double bacterium, lactic acid bacteria, bacillus, acetic acid in sludge Bacterium, actinomyces, saccharomycete, fusobacterium, sludge reflux amount >=80% after anaerobic reaction.
Concrete technology flow process：
(1) pending a concentration of 1000-2000mg/l of influent waste water COD；
(2) waste water is flowed into automatic grid maker by pipeline, after filtering out the larger solid content of volume, into regulating reservoir, It is uniformly mixed with the sludge of reflux；
(3) it is pumped into first order anaerobic reation pool with the mixed sewage of returned sludge, anaerobic digestion, during hydraulic retention Between be 24 hours；
(4) continue to be pumped into second level anaerobic reation pool, hydraulic detention time is 18 hours；
(5) sewage is pumped into sedimentation basin after anaerobic digestion, and after precipitation, waste water is pumped into the aerobic reaction stage, and 80% The sludge of amount is by pipe to being back to regulating reservoir；
(6) excess sludge is pumped into first order aerobic reaction tank, aerobic reaction with sewage, and hydraulic detention time is 9 small When；
(7) continue to be pumped into second level aerobic reaction tank, hydraulic detention time is 9 hours；
(8) sewage is pumped into biochemical filter tank after aerobic reaction, wherein, the stack layer that filter medium is formed for sandstone, water The power residence time is 4 hours；
(9) continue to be pumped into sedimentation basin, precipitating sludge infinite reflux to regulating reservoir, treated, and water emits；
(10) the water COD value of discharge is 50-100mg/l.
In short, the foregoing is merely presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent Variation and modification should all belong to the covering scope of patent of the present invention.

Claims (4)

1. a kind of sludge reduction sewage water treatment method, which is characterized in that include the following steps：
Step (1)：Sewage in regulating reservoir enters the anaerobic reaction stage, and sedimentation basin is entered after reaction, precipitate the sewage of separation into Enter aerobic reaction stage, sludge reflux to regulating reservoir；
Step (2)：Sewage is after the aerobic reaction stage, and filtering precipitation precipitates the sludge reflux of separation to regulating reservoir, and water quality is steady Surely reach national grade one discharge standard；
Wherein, packing specific area >=20m used in aerobic reaction stage and anaerobic reaction stage2/ g, porosity of=90%, Strain includes acinetobacter, Lampropedia, chromabacterium biolaceum category, double bacterium, lactic acid bacteria, bacillus, acetic acid bacteria, puts in sludge Line bacterium, saccharomycete and fusobacterium；
Wherein, sewage is pumped into sedimentation basin after the anaerobic reaction stage, and after precipitation, waste water is pumped into the aerobic reaction stage, The sludge of 80% amount is back to regulating reservoir by pipeline；Sewage is pumped into biochemical filter tank after aerobic reaction, wherein, filter medium The stack layer formed for sandstone；Continue to be pumped into sedimentation basin, precipitating sludge infinite reflux to regulating reservoir, treated, and water gives off It goes.
2. a kind of sludge reduction sewage water treatment method according to claim 1, it is characterised in that：In step (1), anaerobism The stage of reaction includes passing through first order anaerobic reaction stage and second level anaerobic reaction stage successively.
3. a kind of sludge reduction sewage water treatment method according to claim 1, it is characterised in that：It is aerobic in step (2) The stage of reaction includes passing through first order aerobic reaction stage and second level aerobic reaction stage successively.
4. a kind of sludge reduction sewage water treatment method according to claim 1, it is characterised in that：Fusobacterium lives in sludge Bacterium number accounts for 50% or more of all number of viable.
CN201510979460.8A 2015-12-22 2015-12-22 A kind of sludge reduction sewage water treatment method Active CN105399285B (en)

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CN108101311A (en) * 2017-12-29 2018-06-01 天津德清科技有限公司 A kind of energy-saving sewage disposal system
CN108529746A (en) * 2018-03-21 2018-09-14 碧沃丰工程有限公司 A kind of method of ammonia nitrogen and total nitrogen in removal dyeing waste water
CN108585224A (en) * 2018-05-21 2018-09-28 山东省农业科学院农业资源与环境研究所 A method of using complex micro organism fungicide treated sewage and being reduced sludge generation
CN110510759A (en) * 2019-09-16 2019-11-29 德蓝水技术股份有限公司 A kind of water process hydrolysis acidification composite bacteria agent and preparation method thereof
CN111847773B (en) * 2020-07-10 2022-07-19 珠海九通水务股份有限公司 Sewage treatment process based on multifunctional pool

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JP2008114215A (en) * 2006-10-12 2008-05-22 Matsushita Electric Ind Co Ltd Method and apparatus for treating sludge
CN101698556B (en) * 2009-11-05 2013-03-20 北京美绿环境工程有限责任公司 Treatment method and treatment device of wastewater from middle stage of wheat straw pulp during paper-making
CN102586111B (en) * 2012-02-28 2014-06-11 宗晓进 Microorganism bacterium agent for subtracting organic sludge, production method of microorganism bacterium agent and complex culture medium
CN102874989B (en) * 2012-10-25 2014-10-01 宁夏宝塔石化集团有限公司 Anaerobic and aerobic wastewater treatment method and equipment for recycling high-concentration active sludge
CN103896469A (en) * 2014-04-17 2014-07-02 西藏国策环保科技股份有限公司 Preparation method of organic sludge degradation and reduction agent

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