CN106975343A - A kind of high-performance bio deodorization process and system - Google Patents

A kind of high-performance bio deodorization process and system Download PDF

Info

Publication number
CN106975343A
CN106975343A CN201710223464.2A CN201710223464A CN106975343A CN 106975343 A CN106975343 A CN 106975343A CN 201710223464 A CN201710223464 A CN 201710223464A CN 106975343 A CN106975343 A CN 106975343A
Authority
CN
China
Prior art keywords
processing unit
filler
bioreactor
shell
volcanic rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710223464.2A
Other languages
Chinese (zh)
Inventor
王玉婧
史林华
林杰
芮青青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yema Epe Co Ltd
Original Assignee
Shanghai Yema Epe Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yema Epe Co Ltd filed Critical Shanghai Yema Epe Co Ltd
Priority to CN201710223464.2A priority Critical patent/CN106975343A/en
Publication of CN106975343A publication Critical patent/CN106975343A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84Biological processes
    • B01D53/85Biological processes with gas-solid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/90Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of high-performance bio deodorization process and system, pending gas removes most pollutant using the first order processing unit in the bioreactor of integrated two-stage series connection structure, then utilize dusty gas of the second level processing unit processes from first processing units in the bioreactor of integrated two-stage series connection structure, remaining pollutant is removed, the gas discharge bioreactor after processing;The filler of first order processing unit is volcanic rock, shell, pyrite slag, and second level processing unit is volcanic rock, shell.The beneficial effects of the invention are as follows:The floor space and biological deodorizing system total water consumption of biological deodorizing equipment can be effectively reduced, extends the filler life-span, reduces system pressure loss, strengthens the stability of biological deodorizing system, treatment effeciency of the biological deodorizing system to various pollutants is improved.

Description

A kind of high-performance bio deodorization process and system
Technical field
The present invention relates to peculiar smell control field, more particularly, to a kind of high-performance bio deodorization process and system.
Background technology
Odorant wide material sources, mainly have:Municipal environmental sanitation class and factory class pollution sources.Breathing system of the odorant to people System, the circulatory system, digestive system, internal system, nervous system have different degrees of infringement, therefore, odor pollution control Receive the public and government more and more payes attention to.《Emission standard for odor pollutants》Etc. (GB14554-1993) to odor pollution The discharge of thing is made that regulation, and emission request is increasingly strict.
At present, deodorization process mainly includes:Washing process, bioprocess technology, ion processes, photocatalysis technique, heating power oxidation Technique and absorbing process, each technique applicable elements are different.Biology deodorization technique has that non-secondary pollution, operation maintenance be simple, expense Low advantage is used, therefore is obtained a wide range of applications.But there are some areas for improvement in biology deodorization technique, such as:If Standby floor space is larger;Biological metabolism produces acidic materials in system, and in the event of acid accumulation, and exogenously added alkali is adjusted not in time PH, will have a strong impact on growth and the activity of biology, and then cause the reduction of biological deodorizing system efficiency;System is to different pollutants Treatment effect difference it is larger.
The content of the invention
It is an object of the invention to provide a kind of high-performance bio deodorization process and system, it can effectively reduce biological deodorizing The floor space and biological deodorizing system total water consumption of equipment, strengthen the stability of biological deodorizing system, improve biological deodorizing system The treatment effeciency united to various pollutants.
In order to solve the above technical problems, embodiments of the present invention provide a kind of high-performance bio deodorization process, it includes: Pending gas removes most dirt using the first order processing unit in the bioreactor of integrated two-stage series connection structure Contaminate thing;First processing units are come from using the second level processing unit processes in the bioreactor of integrated two-stage series connection structure Dusty gas, remove remaining pollutant, the gas discharge bioreactor after processing;Wherein, first order processing unit Filler is volcanic rock, shell, pyrite slag, and the ratio of pyrite slag can be adjusted according to reductive pollutants concentration, second Level processing unit is volcanic rock, shell.
Compared with prior art, first in two-stage series connection structure is utilized in the high-performance bio deodorization process that the present invention is provided Level processing unit removes most pollutant, remaining pollutant is removed using second level processing unit, treatment effeciency is more Efficiently, also, because two stages for the treatment of unit water tank is separate, it may be such that the biology in the circulation fluid of two-stage is independent of each other, though The replacement frequency of the Water in Water Tanks of right first order processing unit is more than the water tank of second level processing unit, but two-stage always use water Amount is less, and can be inoculated with different microorganisms for different pollutants on the premise of two stage cycle water tank is separate, is formed Different dominant bacterias, can improve the treatment effeciency to different pollutants.In addition, volcanic rock, shell are natural materials, source is wide It is general, it is easy to the acquisition raw material of low cost, and pyrite slag can realize minimizing and the resource of solid waste to greatest extent Change, wherein, volcanic filling material can be adapted to biological growth, and shell filler can automatically adjust biological deodorizing system pH, pyrite slag The removal effect to reductive pollutants such as hydrogen sulfide can be strengthened, three kinds of fillers are loaded in bioreactor and can effectively improved Deodoration system stability and treatment effeciency.
In a kind of high-performance bio deodorization process of the present invention, the Sprayer Circulation water tank phase of bioreactor two stages for the treatment of unit It is mutually independent, although the replacement frequency of the Water in Water Tanks of first order processing unit is more than second level water tank, but the total water consumption of two-stage It is less.
In a kind of high-performance bio deodorization process of the present invention, the Sprayer Circulation water tank phase of bioreactor two stages for the treatment of unit Mutually independent, the biology that can be inoculated with different microorganisms and be used to handle in different pollutants, the circulation fluid of two-stage is independent of each other, Improve the treatment effeciency to different pollutants.
In a kind of high-performance bio deodorization process of the present invention, the upper strata filler of first order processing unit is volcanic rock and sulphur iron The mixture of slag, lower floor's filler is shell, and the upper strata filler of second level processing unit is volcanic rock, and lower floor's filler is shell, Volcanic rock can be used in biological growth, and shell can automatically adjust biological deodorizing system pH, and pyrite slag can strengthen to vulcanization The removal effect of the reductive pollutants such as hydrogen.
Present invention also offers the high-performance bio deodoration system for efficient deodorizing technique, bioreactor is in the system Integrated two-stage series connection structure, wherein, the spray of first order processing unit and second level processing unit in two-stage series connection structure Cyclic water tank is separate, and the filler of first order processing unit is volcanic rock, pyrite slag, shell, second level processing unit Filler is volcanic rock and shell;The isolation as gas passage is provided between first order processing unit and second level processing unit Chamber, first order processing unit is provided with dusty gas input port, and second level processing unit is provided with gas delivery port.
Compared with prior art, the high-performance bio deodoration system that the present invention is provided uses two-stage series connection structure, two to the system Connected between level with gas passage, integration can be achieved, structure is compacter, and floor space is smaller.
The processing load of first order processing unit in the present invention is larger, and the processing load of second level processing unit is less than the Coagulation unit, can remove remaining pollutant.Also, two stages for the treatment of unit is inoculated with different microorganisms, water tank is mutually only It is vertical, it may be such that the biology in the circulation fluid of two-stage is independent of each other, different dominant bacterias formed in two-stage, improve system to various dirts Contaminate the treatment effeciency of thing.Although the replacement frequency of the Water in Water Tanks of first order processing unit is higher, second level processing unit Pollutional load it is smaller, it is low to change water frequency, so, the total water consumption of system is less.
Volcanic rock, shell and pyrite slag are used in the present invention for filler, wherein, volcanic rock, shell are natural materials, are come Source extensively, be easy to low cost acquisition raw material, and pyrite slag can realize to greatest extent solid waste minimizing and Recycling.In addition, volcanic filling material can provide the suitable environment of zoogloea growth, shell filler can automatically adjust biological deodorizing System pH, pyrite slag can strengthen the removal effect to reductive pollutants such as hydrogen sulfide.A kind of high-performance bio of the present invention is removed In smelly technique and system, the upper strata filler of first order processing unit is volcanic rock and the mixture of pyrite slag, and lower floor's filler is Shell, the upper strata filler of second level processing unit is volcanic rock, and lower floor's filler is shell.The filling-material structure can make full use of three kinds The advantage of filler, effectively improves the stability and treatment effeciency of system, extends the filler life-span, reduces system pressure loss.
Brief description of the drawings
Fig. 1 is high-performance bio deodoration system structural representation.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
Embodiments of the present invention provide a kind of high-performance bio deodorization process, and its bioreactor is using integrated two-stage Cascaded structure, referring to Fig. 1, the Sprayer Circulation water of first order processing unit 3 and second level processing unit 9 in two-stage series connection structure Case is separate, and the Sprayer Circulation water tank of two processing units is respectively at first order water tank 4, second level water tank 10, the first order Unit is managed as first order bioreactor, and second level processing unit is given birth to as second level bioreactor as the first order The upper strata filler of the first order processing unit of thing reactor is the mixture of volcanic rock 6 and pyrite slag 7, and lower floor's filler is shell 5, it is volcanic rock 6 as the upper strata filler of the second level processing unit of second level bioreactor, lower floor's filler is shell 5, two There is one layer of insulating space layer for preventing from crushing shell between the upper strata filler and lower floor's filler of level processing unit, upper strata can be prevented Filler crushes shell, extends the filler life-span, reduces system pressure loss.Between first order processing unit and second level processing unit The separate cavities 8 as internal gas passageways are provided with, first order processing unit is provided with dusty gas input port 2, the second level Reason unit is provided with gas delivery port 11.Gas from gas feed 2 enter two-stage series connection structure in first order processing unit 3, Gas after processing enters second level processing unit 9 by its passage 8, and the gas after processing is discharged from gas vent 11.
The high-performance bio deodorization process based on the high-performance bio deodoration system shown in Fig. 1 is explained in detail below:
In Fig. 1, the arrow shown in reference 1 represents gas flow, and pending gas enters one from gas feed 2 Change the first order processing unit 3 in the bioreactor of two-stage series connection structure, remove most pollutant, then utilize second Level processing unit 9 handles the dusty gas from first processing units and removed after remaining pollutant by the row of gas vent 11 Go out bioreactor.
As can be seen here, pending gas is single using the first order processing in the bioreactor of integrated two-stage series connection structure Member removes most pollutant, then utilizes the second level processing unit in the bioreactor of integrated two-stage series connection structure The dusty gas from first processing units is handled, remaining pollutant is removed, the gas discharge bioreactor after processing.The The upper strata filler of coagulation unit is the mixture of volcanic rock and pyrite slag, wherein, the ratio of pyrite slag can be according to also Originality pollutant concentration is adjusted, and lower floor's filler is shell, and the upper strata filler of second level processing unit is volcanic rock, and lower floor fills out Expect for shell.Acid can be produced in biological deodorizing system metabolic process, and microorganism growth metabolism is influenceed larger by pH, if it happens Accumulation, and exogenously added alkali regulation pH not in time, will have a strong impact on growth and the activity of biology, and then cause biological deodorizing system efficiency Reduction, in consideration of it, the characteristic that shell main component is calcium carbonate is made full use of in the present embodiment, as the first order, second Neutralization reaction occurs for lower floor's filler of level processing unit, the acid that can be produced with biological metabolism in the filler of upper strata, can without exogenously added alkali The pH of biological deodorizing system is automatically adjusted, prevents biological deodorizing system to be acidified, strengthens the stability of biological deodorizing system, can also make The pH for obtaining draining reaches the discharge standard of sewage.
The upper strata filler of first order processing unit 3 is the mixture of volcanic rock and pyrite slag, and lower floor's filler is shell, the The upper strata filler of two stage treatment unit is volcanic rock, and lower floor's filler is shell.First order processing unit 3 and second level processing unit 9 upper strata filler includes volcanic rock, and taking full advantage of volcanic rock has that inertia, intensity be high, anticorrosive, surface hydrophilic strong, thick Amount is more soon for rough porous, attached biological film speed, with positive charge, the features such as be zoogloea optimal growing environment.At the first order The upper strata filler of reason unit 3 also contains pyrite slag, takes full advantage of the main component of pyrite slag and includes di-iron trioxide, its The characteristics of reductive pollutants such as middle ferric iron oxidable hydrogen sulfide.Volcanic rock and pyrite slag mixing are raw as upper strata filler Thing apposition growth is in its surface and space, and sulfuric acid, nitric acid and the organic acid produced in metabolic process can be anti-with di-iron trioxide Ferric ion should be generated, gas-liquid mass transfer reacts, the reductive pollutants such as oxidable hydrogen sulfide improve biological deodorizing system to sulphur Change the clearance and the efficient stable of system of the reductive pollutants such as hydrogen, the reductive pollutants such as ferric ion and hydrogen sulfide After reaction, ferrous iron is generated.Ferrous iron can produce ferric iron again by the dioxygen oxidation in gas, realize oxidant again It is raw.The processing load of first order processing unit 3 is big, can be appropriate when the reductive pollutants concentration such as hydrogen sulfide is higher in gas Increase the ratio of pyrite slag, aid in biological deodorizing process, strengthen the stability and high efficiency of biological deodorizing system, and the second level is handled The processing load of unit 9 is smaller, so being used as upper strata filler only with volcanic rock.
First order water tank 4 and second level water tank 10 are separate in the two-stage series connection processing unit of bioreactor, so that Different microorganisms can be inoculated with first order processing unit 3 and second level processing unit 9, different dominant bacterias, two are formed The microorganism of level is independent of each other, and so as to pointedly handle different pollutants, improves the treatment effeciency to different pollutants.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention, And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (9)

1. a kind of high-performance bio deodorization process, it is characterised in that the technological process is:
Pending gas is removed most of using the first order processing unit in the bioreactor of integrated two-stage series connection structure Pollutant;
First processing units are come from using the second level processing unit processes in the bioreactor of integrated two-stage series connection structure Dusty gas, remove remaining pollutant, the gas discharge bioreactor after processing;
Wherein, the filler of first order processing unit is volcanic rock, shell, pyrite slag, and second level processing unit is volcanic rock, shellfish Shell.
2. a kind of high-performance bio deodorization process according to claim 1, it is characterised in that bioreactor two stages for the treatment of list It is connected between member with gas passage.
3. a kind of high-performance bio deodorization process according to claim 1, it is characterised in that at the bioreactor two-stage The Sprayer Circulation water tank for managing unit is separate.
4. a kind of high-performance bio deodorization process according to claim 3, it is characterised in that two-stage in the bioreactor Different microorganisms are inoculated with processing unit and are used to handle different pollutants.
5. a kind of high-performance bio deodorization process according to claim 1, it is characterised in that the first order processing unit Upper strata filler is the mixture of volcanic rock and pyrite slag, and the ratio of pyrite slag is adjusted according to reductive pollutants concentration Whole, lower floor's filler is shell.
6. a kind of high-performance bio deodorization process according to claim 1, it is characterised in that the second level processing unit Upper strata filler is volcanic rock, and lower floor's filler is shell.
7. a kind of be used for the high-performance bio deodoration system as described in claim 1-6 is any, it is characterised in that biological in the system The integrated two-stage series connection structure of reactor, wherein, the first order processing unit and second level processing in two-stage series connection structure are single The Sprayer Circulation water tank of member is separate, and the filler of first order processing unit is at volcanic rock, pyrite slag, shell, the second level The filler for managing unit is volcanic rock and shell;
The separate cavities as gas passage, described first are provided between the first order processing unit and second level processing unit Level processing unit is provided with dusty gas input port, and the second level processing unit is provided with gas delivery port.
8. high-performance bio deodoration system according to claim 7, it is characterised in that the first order processing unit is first Level bioreactor, its upper strata filler is the mixture of volcanic rock and pyrite slag, and lower floor's filler is shell.
9. high-performance bio deodoration system according to claim 7, it is characterised in that the second level processing unit is second Level bioreactor, its upper strata filler is volcanic rock, and lower floor's filler is shell.
CN201710223464.2A 2017-04-07 2017-04-07 A kind of high-performance bio deodorization process and system Pending CN106975343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710223464.2A CN106975343A (en) 2017-04-07 2017-04-07 A kind of high-performance bio deodorization process and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710223464.2A CN106975343A (en) 2017-04-07 2017-04-07 A kind of high-performance bio deodorization process and system

Publications (1)

Publication Number Publication Date
CN106975343A true CN106975343A (en) 2017-07-25

Family

ID=59344149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710223464.2A Pending CN106975343A (en) 2017-04-07 2017-04-07 A kind of high-performance bio deodorization process and system

Country Status (1)

Country Link
CN (1) CN106975343A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108273380A (en) * 2018-02-14 2018-07-13 朗昆(北京)新环保科技有限公司 Growth-promoting flora and waste gas processing method for improving exhaust treatment efficiency
CN108380037A (en) * 2018-03-15 2018-08-10 河南省现代农业研究院 A kind of cultivation factory intelligent biological deodorizing method
CN109513336A (en) * 2017-09-19 2019-03-26 河南正达环保科技有限公司 A kind of combined bio deodorizing device and purifying column
CN112870947A (en) * 2021-02-03 2021-06-01 中国环境科学研究院 Composite device for removing compost volatile sulfides

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59319A (en) * 1982-02-10 1984-01-05 ゲブリユ−ダ−・ヴアイス・コマンデイトゲゼルシヤフト Removal of gaseous, volatile and/or fluid impurities from waste gas
US6291233B1 (en) * 1998-09-04 2001-09-18 Anuj K. Saha AGB process for integrated multimedia treatment using bio-sorption
CN202860400U (en) * 2012-08-27 2013-04-10 苏州市易柯露环保科技有限公司 Composite deodorization system for landfill yard
CN105498477A (en) * 2015-12-09 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Method for treating high-concentration odor
CN105935551A (en) * 2015-12-30 2016-09-14 江苏科威环保技术有限公司 Two-stage biological process waste gas treatment system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59319A (en) * 1982-02-10 1984-01-05 ゲブリユ−ダ−・ヴアイス・コマンデイトゲゼルシヤフト Removal of gaseous, volatile and/or fluid impurities from waste gas
US6291233B1 (en) * 1998-09-04 2001-09-18 Anuj K. Saha AGB process for integrated multimedia treatment using bio-sorption
CN202860400U (en) * 2012-08-27 2013-04-10 苏州市易柯露环保科技有限公司 Composite deodorization system for landfill yard
CN105498477A (en) * 2015-12-09 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Method for treating high-concentration odor
CN105935551A (en) * 2015-12-30 2016-09-14 江苏科威环保技术有限公司 Two-stage biological process waste gas treatment system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ZHILING LI等: "Comparative study of using different materials as bacterial carriers to treat hydrogen sulfide", 《APPLIED MICROBIOLOGY AND BIOTECHNOLOGY》 *
李建政,任南琪主编: "《污染控制微生物生态学》", 31 July 2005, 哈尔滨工业大学出版社 *
杨永福,魏通才: "用硫铁矿渣制备SW型高效脱硫剂的研究", 《硫酸工业》 *
王家德,成卓韦 编著: "《现代环境生物工程》", 31 May 2014, 化学工业出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109513336A (en) * 2017-09-19 2019-03-26 河南正达环保科技有限公司 A kind of combined bio deodorizing device and purifying column
CN108273380A (en) * 2018-02-14 2018-07-13 朗昆(北京)新环保科技有限公司 Growth-promoting flora and waste gas processing method for improving exhaust treatment efficiency
CN108273380B (en) * 2018-02-14 2019-02-22 朗昆(北京)新环保科技有限公司 For improving the growth-promoting flora and waste gas processing method of exhaust treatment efficiency
CN108380037A (en) * 2018-03-15 2018-08-10 河南省现代农业研究院 A kind of cultivation factory intelligent biological deodorizing method
CN112870947A (en) * 2021-02-03 2021-06-01 中国环境科学研究院 Composite device for removing compost volatile sulfides

Similar Documents

Publication Publication Date Title
CN106975343A (en) A kind of high-performance bio deodorization process and system
CN101460412B (en) System and methods for biological selenium removal from water
WO2022242040A1 (en) Method and apparatus for treating mid-term and late landfill leachates by process combining endogenous denitrification and autotrophic nitrogen removal
CN103467149A (en) Method for processing sludge by using complex microbial agent
CN108862852A (en) A kind of method that magnetic bio charcoal strengthens dyeing waste water biological denitrificaion
CN104230092A (en) Technological system for urban domestic sewage treatment and synchronous sludge reduction near-zero emission
CN104230111B (en) A kind of sludge ozone oxidant deweighting device and using method
Tabatabaei et al. Influential parameters on biomethane generation in anaerobic wastewater treatment plants
CN104150731B (en) A kind of method realizing heavy metals in city sewage sludge stabilization that biochemical-physical combines
WO2014094484A1 (en) Garbage leachate treatment method and system
CN102139999A (en) Reducing and recycling treatment method for biological activated sludge
CN108706727A (en) A kind of baffling type anaerobic autotrophic denitrification biological reaction process and device
CN105293852B (en) The method of the synchronous coupling odor purification of sludge organism leaching conditioning
CN107021561A (en) A kind of biological deodorizing filler for possessing physics, chemistry and bio-cooperation
CN102874974A (en) Advanced treatment and comprehensive utilization process for sewage and sludge in sewage treatment plant
CN103601347B (en) Domestic sewage treatment method and UAFB-EGSB coupled system quick start method
Bajpai et al. Process parameters affecting anaerobic digestion
CN104829046A (en) Treatment method for printing, dyeing and desizing wastewater with high concentration
CN112679242A (en) Odor self-regulation composting system and process
CN107253761A (en) A kind of Anammox based on inactivated sludge quickly strengthens startup method
CN106746407B (en) Process for improving dehydration performance of excess sludge
CN214060362U (en) Self-regulation and control composting system for odor
CN205367861U (en) Biological mud reactor of tertiary two inner loop
CN108341560A (en) A kind of Small Town Wastewater treatment process based on anaerobism MBR technology
CN209872712U (en) Sludge biological decomposition, modification and reduction device for SMRD (short message service) urban sewage treatment plant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170725

RJ01 Rejection of invention patent application after publication