CN107162212A - A kind of alanine waste water treatment process - Google Patents

A kind of alanine waste water treatment process Download PDF

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Publication number
CN107162212A
CN107162212A CN201710412160.0A CN201710412160A CN107162212A CN 107162212 A CN107162212 A CN 107162212A CN 201710412160 A CN201710412160 A CN 201710412160A CN 107162212 A CN107162212 A CN 107162212A
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China
Prior art keywords
aeration tank
aeration
waste water
alanine
water treatment
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CN201710412160.0A
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Chinese (zh)
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CN107162212B (en
Inventor
纵瑞磊
张欣
陈宝凤
刘智鑫
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Qinhuangdao Huaheng Biological Engineering Co Ltd
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Qinhuangdao Huaheng Biological Engineering 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1278Provisions for mixing or aeration of the mixed liquor
    • 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
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/10Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/22O2
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The invention discloses a kind of alanine waste water treatment process, alanine waste water is handled by biological denitrificaion method, alanine purification tank for liquid waste is made up of first, second, third, fourth aeration tank for being serially distributed, connecting two-by-two successively, alanine waste strength is controlled in 200 2000mg/L, pH value is controlled 6.5 8, temperature control is at 30 38 DEG C, and sludge concentration is controlled in 2000 5000mg/L;Start the aeration blower, control aeration valve makes dissolved oxygen in purification tank for liquid waste control in 0.1 2.5mg/L, and sludge media uses nitrifier.Alanine waste water treatment efficiency of the present invention is high, and capital expenditure and economic operating cost, operational management are convenient, are widely portable to various high ammonia-nitrogen content waste water, impact resistance is stronger.

Description

A kind of alanine waste water treatment process
Technical field
The present invention relates to chemical engineering sewage processing technology field, especially a kind of alanine waste water treatment process.
Background technology
With global industry develop rapidly and city size continuous expansion, life and production process in emitted Pollution of the pollutant to water body environment be on the rise, wherein the nitrogen-containing compound of separate sources is important as water body environment One of pollutant.Substantial amounts of nitrogen compound enters water body environment, causes Water quality to deteriorate, influence fishery, agricultural and cities and towns Environmental quality, and then influence health.Nitrogen in sewage exists with ammonia nitrogen, organic nitrogen, several forms of nitrite nitrogen.Sewage Middle ammonia nitrogen is the size of ammonia nitrogen amount in the product of microbial activities, water, is the index for weighing degree of water pollution.
Denitrogenation of waste water method has a variety of, for example blow-off method, neutralisation, break point chlorination, ion-exchange, biochemical process Deng.Found in practice, many biochemical process carry out denitrogenation, and the clearance of ammonia nitrogen can reach requirement, but be given birth to fermentation method The waste water for producing alanine generation is high ammonia-nitrogen wastewater, and these methods are strict for the treatment conditions of high ammonia-nitrogen wastewater, complex operation, Need very big fund input.High ammonia nitrogen alanine waste water how is effectively handled, and does not produce secondary pollution, and money can be realized The comprehensive utilization in source, is always those skilled in the art's urgent problem to be solved.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of alanine waste water treatment process, low, effect is invested in engineer applied It is good, easy to operate.
A kind of alanine waste water treatment process, is handled alanine waste water by biological denitrificaion method, alanine waste water Processing pond is made up of first, second, third, fourth aeration tank for being serially distributed, connecting two-by-two successively, and first aeration tank is set There are water inlet and sludge reflux mouthful, the 4th aeration tank is provided with discharge outlet and mud discharging mouth;Total pipeline is aerated provided with four branches Pipeline, gos deep into first, second, third, fourth aeration tank bottom respectively, and the aeration total pipeline is connected with aeration air blast Machine;The control of alanine waste strength is controlled in 6.5-8 in 200-2000mg/L, pH value, and temperature control is at 30-38 DEG C, and sludge is dense Degree control is in 2000-5000mg/L;Start the aeration blower, control aeration valve controls dissolved oxygen in purification tank for liquid waste In 0.1-2.5mg/L, wherein first aeration tank dissolved oxygen control is in 0.1-0.5mg/L, second aeration tank dissolved oxygen Control is in 0.5-1mg/L, and the 3rd aeration tank dissolved oxygen control is in 1-1.7mg/L, the 4th aeration tank dissolved oxygen control In 1.7-2.5mg/L;Sludge media uses nitrifier.
Further, first, second, third, fourth aeration tank is staggeredly connected up and down, first aeration tank and institute State connection at the top of the second aeration tank, second aeration tank is connected with the 3rd aeration tank bottom, the 3rd aeration tank and The 4th aeration tank bottom connection.
Further, the water inlet is arranged at the top of first aeration tank, and the discharge outlet is arranged at the described 4th At the top of aeration tank.
Further, the purification tank for liquid waste hydraulic detention time is 50-70 hours.
Further, the mud discharging mouth is arranged at the 4th aeration tank bottom, and is arranged sludge flocculation by folded spiral shell machine Go out.
Further, the sludge reflux mouth is arranged at the top of first aeration tank, concordant with the water inlet, makes exposure Gas pond sludge concentration is maintained in the range of 2000-5000mg/L, and sludge is nitrification bacterium culture medium.
Beneficial effects of the present invention:Alanine waste water treatment efficiency is high, capital expenditure and economic operating cost, operational management side Just, various high ammonia-nitrogen content waste water are widely portable to, impact resistance is stronger.
Brief description of the drawings
Fig. 1 is the alanine purification tank for liquid waste structural representation in embodiment 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to what the present invention was protected Scope.
Embodiment 1
A kind of alanine waste water treatment process, is handled alanine waste water by biological denitrificaion method, alanine wastewater treatment Pond is made up of first, second, third, fourth aeration tank for being serially distributed, connecting two-by-two successively, and first aeration tank 10 is provided with Water inlet 101 and sludge reflux mouthful, the 4th aeration tank 40 is provided with discharge outlet 401 and mud discharging mouth 402;Aeration total pipeline 50 is set There are four laterals, go deep into first, second, third, fourth aeration tank bottom respectively, the aeration total pipeline is connected with Aeration blower.
First, second, third, fourth aeration tank is staggeredly connected up and down, first aeration tank 10 and described second The top of aeration tank 20 is connected, and second aeration tank 20 is connected with the bottom of the 3rd aeration tank 30, the 3rd aeration tank 30 Connected with the bottom of the 4th aeration tank 40;Corresponding, the water inlet 101 is concordant with the sludge reflux mouthful to be arranged at institute The top of the first aeration tank 10 is stated, the discharge outlet 401 is arranged at the top of the 4th aeration tank 40;The mud discharging mouth 402 is set Sludge flocculation is discharged in the bottom of the 4th aeration tank 40, and by folded spiral shell machine.
32 DEG C of temperature, pH value 7.1, sludge concentration 3300mg/L, ammonia nitrogen concentration is 860mg/L alanine waste water, is started The aeration blower, control aeration valve makes dissolved oxygen in purification tank for liquid waste control in 0.1-2.5mg/L, wherein described first The dissolved oxygen control of aeration tank 10 is in 0.2mg/L, and the dissolved oxygen of the second aeration tank 20 control is in 0.8mg/L, the 3rd aeration The dissolved oxygen control of pond 30 is in 1.5mg/L, and the dissolved oxygen of the 4th aeration tank 40 control is in 2.2mg/L;Sludge media is using nitrification Bacterium, hydraulic detention time 50 hours.
Under anoxic conditions by the effect of microorganism, using cultured water as electron acceptor, ammonia nitrogen is electron donor, by Asia Nitrate nitrogen and ammonia nitrogen are converted into N simultaneously2Process.NO first2 -Change into NH2OH, then with H2OH is electron acceptor by NH4 +Oxidation For hydrazine(N2H4);N2H4It is converted into N2, and be N02 -It is reduced into H2OH provides electronics.
Oxygen has inhibitory action, and micro-oxygen conditions can be completely inhibited, but the inhibitory action is reversible;It is full more than 18% air And degree, flora is irrecoverable.Dissolved oxygen scope is optimum in 0.5-2mg/L.
By above-mentioned processing, alanine ammonia nitrogen in waste water drops to 18mg/L by 860mg/L.
Embodiment 2
A kind of alanine waste water treatment process, is handled alanine waste water by biological denitrificaion method, alanine wastewater treatment Pond is made up of first, second, third, fourth aeration tank for being serially distributed, connecting two-by-two successively, and first aeration tank 10 is provided with Water inlet 101 and sludge reflux mouthful, the 4th aeration tank 40 is provided with discharge outlet 401 and mud discharging mouth 402;Aeration total pipeline 50 is set There are four laterals, go deep into first, second, third, fourth aeration tank bottom respectively, the aeration total pipeline is connected with Aeration blower.
First, second, third, fourth aeration tank is staggeredly connected up and down, first aeration tank 10 and described second The top of aeration tank 20 is connected, and second aeration tank 20 is connected with the bottom of the 3rd aeration tank 30, the 3rd aeration tank 30 Connected with the bottom of the 4th aeration tank 40;Corresponding, the water inlet 101 is concordant with the sludge reflux mouthful to be arranged at institute The top of the first aeration tank 10 is stated, the discharge outlet 401 is arranged at the top of the 4th aeration tank 40;The mud discharging mouth 402 is set Sludge flocculation is discharged in the bottom of the 4th aeration tank 40, and by folded spiral shell machine.
35 DEG C of temperature, pH value 7.1, sludge concentration 3300mg/L, ammonia nitrogen concentration is 1460mg/L alanine waste water, is started The aeration blower, control aeration valve makes dissolved oxygen in purification tank for liquid waste control in 0.1-2.5mg/L, wherein described first The dissolved oxygen control of aeration tank 10 is in 0.3mg/L, and the dissolved oxygen of the second aeration tank 20 control is in 0.7mg/L, the 3rd aeration The dissolved oxygen control of pond 30 is in 1.5mg/L, and the dissolved oxygen of the 4th aeration tank 40 control is in 2.4mg/L;Sludge media is using nitrification Bacterium, hydraulic detention time 60 hours.
By above-mentioned processing, alanine ammonia nitrogen in waste water drops to 34mg/L by 1460mg/L.
Finally, in addition it is also necessary to it is noted that listed above is only a specific embodiment of the invention.Obviously, the present invention is not limited In above example, there can also be many deformations.One of ordinary skill in the art can directly lead from present disclosure All deformations for going out or associating, are considered as protection scope of the present invention.

Claims (7)

1. a kind of alanine waste water treatment process, is handled alanine waste water, it is characterised in that third by biological denitrificaion method Propylhomoserin purification tank for liquid waste is made up of first, second, third, fourth aeration tank for being serially distributed, connecting two-by-two successively, and described first Aeration tank is provided with discharge outlet and mud discharging mouth provided with water inlet and sludge reflux mouthful, the 4th aeration tank;Aeration total pipeline is provided with Four laterals, go deep into first, second, third, fourth aeration tank bottom respectively, and the aeration total pipeline is connected with exposure Enraged blower fan;
The control of alanine waste strength is controlled in 6.5-8 in 200-2000mg/L, pH value, and temperature control is at 30-38 DEG C, and sludge is dense Degree control is in 2000-5000mg/L;Start the aeration blower, control aeration valve controls dissolved oxygen in purification tank for liquid waste In 0.1-2.5mg/L, wherein first aeration tank dissolved oxygen control is in 0.1-0.5mg/L, second aeration tank dissolved oxygen Control is in 0.5-1mg/L, and the 3rd aeration tank dissolved oxygen control is in 1-1.7mg/L, the 4th aeration tank dissolved oxygen control In 1.7-2.5mg/L;Sludge media uses nitrifier.
2. alanine waste water treatment process according to claim 1, it is characterised in that described first, second, third, Four aeration tanks are staggeredly connected up and down.
3. alanine waste water treatment process according to claim 2, it is characterised in that first aeration tank and described the Connect at the top of two aeration tanks, second aeration tank is connected with the 3rd aeration tank bottom, the 3rd aeration tank with it is described 4th aeration tank bottom is connected.
4. alanine waste water treatment process according to claim 3, it is characterised in that the water inlet is arranged at described At the top of one aeration tank, the discharge outlet is arranged at the top of the 4th aeration tank.
5. the alanine waste water treatment process according to claim 1-4 any one, it is characterised in that the wastewater treatment The tank waterpower residence time is 50-70 hours.
6. alanine waste water treatment process according to claim 5, it is characterised in that the mud discharging mouth is arranged at described Four aeration tanks bottom, and discharged sludge flocculation by folded spiral shell machine.
7. alanine waste water treatment process according to claim 6, it is characterised in that the sludge reflux mouthful is arranged at institute State at the top of the first aeration tank, it is concordant with the water inlet, aeration tank sludge concentration is maintained in the range of 2000-5000mg/L, Sludge is nitrification bacterium culture medium.
CN201710412160.0A 2017-06-03 2017-06-03 Alanine wastewater treatment process Active CN107162212B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1990393A (en) * 2005-12-26 2007-07-04 北京城市排水集团有限责任公司 Five-factor wastewater treating apparatus
CN101195507A (en) * 2007-12-13 2008-06-11 吴江市方霞企业信息咨询有限公司 High ammonia nitrogen wastewater treatment
CN201330216Y (en) * 2009-01-15 2009-10-21 彭永臻 Apparatus for implementing sludge micro-swelling energy-saving method in biological denitrification technique
CN202148221U (en) * 2011-07-26 2012-02-22 成都市龙沣源环保科技有限责任公司 Integrated A-O biological denitrification reactor with buffer zone
KR20130001066A (en) * 2011-06-24 2013-01-03 주식회사 우일환경테크닉스 Advanced wastewater treatment for biologically removing nitrogen and phosphorus using membrane atteched biofilms
CN103880251A (en) * 2014-03-27 2014-06-25 北京工业大学 A2/O-bio-contact oxidation device and method based on coupling of partial nitrification denitrifying dephosphatation
US20160311713A1 (en) * 2012-10-01 2016-10-27 D.C. Water & Sewer Authority Method and apparatus for maximizing nitrogen removal in wastewater

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1990393A (en) * 2005-12-26 2007-07-04 北京城市排水集团有限责任公司 Five-factor wastewater treating apparatus
CN101195507A (en) * 2007-12-13 2008-06-11 吴江市方霞企业信息咨询有限公司 High ammonia nitrogen wastewater treatment
CN201330216Y (en) * 2009-01-15 2009-10-21 彭永臻 Apparatus for implementing sludge micro-swelling energy-saving method in biological denitrification technique
KR20130001066A (en) * 2011-06-24 2013-01-03 주식회사 우일환경테크닉스 Advanced wastewater treatment for biologically removing nitrogen and phosphorus using membrane atteched biofilms
CN202148221U (en) * 2011-07-26 2012-02-22 成都市龙沣源环保科技有限责任公司 Integrated A-O biological denitrification reactor with buffer zone
US20160311713A1 (en) * 2012-10-01 2016-10-27 D.C. Water & Sewer Authority Method and apparatus for maximizing nitrogen removal in wastewater
CN103880251A (en) * 2014-03-27 2014-06-25 北京工业大学 A2/O-bio-contact oxidation device and method based on coupling of partial nitrification denitrifying dephosphatation

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* Cited by examiner, † Cited by third party
Title
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