CN106186325A - A kind of synchronous nitration and denitrification domestic sewage processing method - Google Patents
A kind of synchronous nitration and denitrification domestic sewage processing method Download PDFInfo
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F2301/00—General aspects of water treatment
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Abstract
A kind of synchronous nitration and denitrification municipal wastewater processing method, process with being partitioned into five rectangle reaction tanks as follows, during two linear array of five rectangle reaction tanks, first row is that in three rectangle reaction tanks, two, left and right reaction tank is provided with water inlet, two reaction tanks of second row are provided with intake-outlet, and two rows also constitute a rectangle；Two reaction tanks of second row are held concurrently simultaneously and are precipitated and reaction tank, require according to water outlet needs and dephosphorization denitrogenation and use the different combined treatment stages；The whole process of water processes all through anaerobic-anoxic-oxic of intaking precipitates water outlet four processing stage；The rectangle reaction tank of two five unit of row is equipped with aerator, and the adjacent pool wall of rectangle reaction tank of two five unit of row was provided with aquaporin, can be switched by the position of operation water-in and water-out, formed Hydraulic Circulation clockwise or counterclockwise.
Description
One, technical field
The present invention relates to a kind of municipal wastewater New Process for Treatment, for the process of middle-size and small-size municipal wastewater, villages and small towns sewage disposal
Factory and enterprise and institution's sanitary sewage disposal.
Two, background technology
China's shortage of water resources, water resources ownership per capita only has the 1/4 of world average level, and water pollutes and is on the rise
Situation more increased the weight of the crisis of water resource.China's Main River Systems in 2003, lake and maritime environment pollution are serious, seven big water systems 407
In individual emphasis monitoring section, the section of 38.1% meets I～III class water quality requirement, and the section of 32.2% belongs to IV, V class water quality,
The section of 29.7% belongs to bad V class water quality.Wherein in 118 state's control sections in seven big water system master streams, I～III class water quality section accounts for
53.4%, IV, V class water quality section accounts for 37.3%, and bad V class water quality section accounts for 9.3%.Seven flood owners to be rendered as organic dirt
Dye, petroleum-type, Biochemical oxygen demand, ammonia nitrogen, permanganate index, volatile phenol etc. exceed standard seriously.
Water phosphorus is mainly derived from sanitary sewage and widespread pollution from the overuse of fertilizers and pesticides in rural area." the cities and towns dirt that China implements in July, 2003
Water treatment plant's pollutant emission standard " N, P content in secondary municipal wastewater treatment plant water outlet do by (GB 18918-2002)
Considered critical, proposes TN on the basis of " integrated wastewater discharge standard " (GB8978-1996) first and controls requirement.According to mark
The municipal sewage plant that China is newly-built is required for taking dephosphorization denitrogenation measure by alignment request, for protection water source needs, one
A little municipal sewage plant's dephosphorization and denitrification process to be taked or transform denitrification dephosphorization technique as；Conventional denitrification dephosphorization technique has
The various ways such as AAO, SBR, oxidation ditch, all there is sludge reflux in any denitrification dephosphorization technique and mixed liquor refluxes, and two
Part energy consumption is relatively big, typically constitutes from the 27%-39% of sewage disposal part total energy consumption, and wherein sludge reflux part is about 14%；
And add equipment investment and daily maintenance management expense.For middle-size and small-size sewage water dephosphorization denitrification technique, take above
Backflow measure will result in the increasing of sewage treatment facility floor space, initial investment increase and the complication of maintenance management.And
The middle-size and small-size sewage quality water yield changes greatly, and treatment facility often requires that the feature such as compact in design, automated operation, is utilizing tradition
Dephosphorization and denitrification process aspect also have a Stability and adaptability problem.
The place of the most middle-size and small-size sanitary sewage ought to develop the sewage disposal complete set technology of simple and efficient, should realize at sewage
Reason device complete set and the automatization of control technology, reduce manpower consumption and maintenance cost, solve current municipal sewage plant
There is high energy consumption, the high problem taken up an area.
List of references is as follows.
[1] Grady C P J L, Daigger G T, Lim H C. biological wastewater treatment [M]. Zhang Xihui, Liu Yongdi translate.
Beijing: Chemical Industry Press, 2003:40-75.
[2] Lee visits micro-, Peng Yongzhen, Gao Xu etc. a kind of new sewage disposal technology-MSBR method [J]. and water supply and drainage, 1999,
25 (6): 10-12.
[3] Qiu Wenfang, Luo Zhiteng, Du Yangmin etc. environmental microbiology technical manual. Xueyuan Press, 1990:232-
235.
[4] Beijing Water Environment technology and equipment research center. three-protection design Technical Manual-Engineering [M] (waste water volume). Beijing:
China's chemical industry publishing house, 2000
[5] Zhang Zijie, Lin Rongchen, Jin Rulin. drainage system [M] (fourth edition). Beijing: China Construction Industry Press,
2000
Three, summary of the invention
It is an object of the invention to, propose a kind of novel municipal wastewater New Process for Treatment, in conjunction with works such as AAO, SBR, oxidation ditches
The feature of skill, it is achieved response system is presenting different patterns, the space of existing AAO along time series with along spatial sequence
Segmentation, has again the time division of SBR, forms unique Hydraulic Circulation.Designed by this, reach the purpose of synchronous denitrification dephosphorizing.
The technical scheme is that, a kind of synchronous nitration and denitrification municipal wastewater processing method, for sanitary sewage disposal,
Use special pool-type structure and unique Hydraulic Circulation, while removing removal organic polluter, it is achieved the synchronization to nitrogen, phosphorus takes off
Remove.When synchronous denitrogen dephosphorus technology selects with design, the nitrate nitrogen controlling to enter anaerobic zone is crucial, is less than at nitrate
During 100mg/l, can reach good while go to denitrogenate, the requirement of phosphorus.
Main body is a rectangle reaction tank being partitioned into five unit, straight line arrangement or two linear array, two
During bar linear array, first row is that in three rectangle reaction tanks, two reaction tanks in left and right are provided with water inlet, second row two reaction
Pond is provided with intake-outlet, and two rows also constitute a rectangle；Two reaction tanks of second row are held concurrently simultaneously and are precipitated and reaction tank, according to water outlet
Need and dephosphorization denitrogenation requires and uses different compound modes (referring to accompanying drawing 1)；The rectangle reaction tank of two five unit of row is equal
Be provided with aerator, the adjacent pool wall of rectangle reaction tank of two five unit of row be provided with water stream channel, can be formed current by pond
Sequence or inverse pond sequence water circulation the most clockwise or counterclockwise, two reaction tanks of second row (numbered 1#, 5#) i.e. the one the
5 two ponds are as pond, limit, alternately as sedimentation tank, simultaneously also respectively as reaction tank；First row is that three rectangle reaction tanks are
Second to the 4th reaction tank (numbered 2#, 3#, 4#) is always as reaction tank.
Idiographic flow is as follows: upper half cycle four step, 1) the first pond, limit intakes as water inlet and anaerobic pond, second and third, four ponds
Respectively as anoxia, aerobic, aerobic reaction pond, the 5th pond is as sedimentation tank water outlet；2) the first pond as aerobic, second and third, four
Pond is respectively as anoxia, aerobic, aerobic reaction pond, and the 5th pond is as sedimentation tank；3) the first pond as aerobic, second and third, four ponds
Respectively as aerobic, anoxia, aerobic reaction pond, the 5th pond is as sedimentation tank；4) the first pond as precipitation, second and third, four ponds divide
Not as aerobic, anoxia, aerobic reaction pond, the 5th pond is as sedimentation tank；Wherein 2) in-4), the 5th pond all goes out as sedimentation tank
Water；Lower half cycle four step and the course of reaction counterclockwise with four steps in upper half cycle.In a word, the whole process of water processes all through entering
The processing stage of water anaerobic-anoxic-oxic-precipitation water outlet four.
Reactor uses many rectangles reaction tank cascaded structure, builds the anaerobic-anoxic-oxic environment needed for denitrogenation dephosphorizing
(referring to accompanying drawing 2).The operation of system uses adjustable way, by regulation anaerobic/anoxic and aerobic combination, each stage running
Time is to adapt to the change of different quality, the water yield.Control to make the fully automated fortune of system by PLC programmable controller signal
Turn, each stage running time can be changed by touching display screen, understand each pond running status at any time；Pressing by switch board
Button display lamp it will be seen that the working order of equipment；The method of operation, operation letter can be changed by the input of new program singal
Single directly perceived, go slick.
Synchronous nitration and denitrification municipal wastewater of the present invention process technique between total residence time 14-18h, simultaneous nitrification and denitrification
Nitrification sewage treatment technique is stable to the removal effect of municipal wastewater, and water outlet can meet country, and " urban wastewater treatment firm pollutes
Thing discharge standard " (GB18918-2002) first level A.
This process spent water treatment effeciency, while ensureing equivalent and being better than A2/O technique, can save energy more than 10%, saves
Take up an area more than 15%；TN, TP clearance can improve 20%.
Biological denitrificaion mechanism: bioanalysis denitrogenation is to be come by the assimilation of organic nitrogen ammonification, nitrification, denitrification and microorganism
Complete.
Ammonification refers to when aminoacid and other itrogenous organic substances are biodegradable the process of release ammonia.Only turned when organic nitrogen
Turning to ammonia and be discharged in medium, mineralized nitrogen could be nitrate by nitrifier.
Nitrification is completed by autotrophic type aerobic microbiological.First ammonia nitrogen is converted into nitrite under Nitrosomas effect, so
After, under Nitromonas effect, nitrite is further converted to nitrate, and reaction following formula represents, during need a large amount of oxygen.
Denitrification is completed by heterotrophism aerobic-anaerobic microbe, can be expressed from the next:
When not having molecular oxygen, denitrifying bacterium is with nitrate nitrogen as electron acceptor, and Organic substance is as carbon source and electron donor, logical
The assimilation (anabolism) crossing denitrifying bacterium completes with disassimilation (catabolism).
Assimilation isWithBeing reduced to the ammonia synthesis in order to new cell, nitrogen becomes cytoplasmic composition.Different
Change effect isWithIt is reduced to N2Or N2The gaseous state things such as O, NO, predominantly N2, the nitrogen that disassimilation is removed accounts for removing
The 70%～75% of total amount.
Mechanism of Biological Phosphorus Removal,
Biological phosphate-eliminating is one to be carried out by polyP bacteria (phosphorus accumulating organism, PAOs) growth
Complex process, dephosphorization mechanism is as shown in Figure 4.PAOs have under anaerobic consume intracellular Quadrafos store carbon source
And under aerobic/anoxia condition, consume the unique ability of carbon source store phosphates.
Comeau and Wentzel et al. provides an explanation the pattern of PAOs function respectively, referred to as Comeau-Wentzel mould
Formula[i].Waste water is through the Fermentation of sewer, and most Organic substance is with acetic acid and short-chain fatty acid (short-chain fatty
Acids, SCFA) presented in, when waste water enters bioreactor anaerobic zone, facultative heterotrophic microorganism carries out fermentation and produces
Extra fatty acid.PAOs decomposes the energy needed for the Quadrafos offer ATP synthesis that intracellular stores, and is PHB by stock acetic acid.
Intracellular inorganic phosphate (P can be increased when polyphosphate hydrolyzes to form ATPi) concentration, PiIt is released to main together with cation
In liquid solution.
When waste water enters aerobic zone, the dissolved organic matter in waste water reduces, but PAOs contains a large amount of PHB and stores thing.
Inorganic phosphorus in wastewater hydrochlorate enriches, and the Quadrafos content of PAOs is low.PAOs in order to grow, using store PHB as carbon source
And the energy, carry out oxygen metabolism, absorb the initial phosphate contained in whole phosphate and waste water of anaerobic zone release.
PAOs removes the phosphorus in waste water by the alternate cycles of anaerobism with aerobic environment.Most dephosphorization systems all use aerobic
District generates polyphosphoric acids and stores thing, and also some PAOs utilizes nitrate to be subject to as electronics with nitrite under anoxic conditions
Body, forms denitrification dephosphorization system.
Recent two decades comes, and sewage treatment area denitrification dephosphorization technique is continuously available research, owing to Activated Sludge Process becomes
Ripe, flexible operation, effluent quality are good, at present both at home and abroad overwhelming majority Sewage Plant use activated sludge process.Along with biological treatment
Going deep into of study mechanism, synchronous denitrification dephosphorizing technology is greatly developed.Denitrification dephosphorization technique is by anaerobic zone, anoxic zone, aerobic
District and mixed-liquor return (mixing liquid return, MLR) combine, and synchronous denitrogen dephosphorus technology selects and design
Time, the nitrate nitrogen controlling to enter anaerobic zone is crucial, to reach good nitrogen, phosphorus ligands effect.
Beneficial effect: when present invention process is between total residence time 14-18h, synchronous nitration and denitrification sewage disposal is new
Technique is stable to the removal effect of municipal wastewater, and water outlet can meet country's " urban wastewater treatment firm pollutant emission standard "
(GB18918-2002) first level A.Present invention process sewage treating efficiency is ensureing equivalent and is being better than the same of A2/O technique
Time, can save energy more than 10%, save and take up an area more than 15%；TN, TP clearance can improve 20%.The present invention many rectangles reaction tank
Pond type is the special construction of original creation, and intensivism improves.Its Hydraulic Circulation is original creation, motorless circulation, saves sludge circulation
Pump and the setting of nitrification liquid reflux pump.Its pond type is to eliminate the setting of secondary sedimentation tank, has saved system footprint.Its pond type sets
Count in each many rectangles reaction tank, be respectively provided with blender and aerator.Water outlet uses permanent water-level decanter, non-power consumption.Pass through
Water circulation realizes the backflow of mud and mixed liquor, is not provided with sludge circulation pump and mixed-liquor return pump.It is applicable to 500
10000m3The sanitary sewage disposal of/d scale.
Four, accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the present invention.
Fig. 2 is the layout schematic diagram of the present invention.
Fig. 3: process operation periodogram.
Fig. 4 is Mechanism of Biological Phosphorus Removal, and left and right figure refers to anaerobic and aerobic state respectively.
Five, detailed description of the invention
The main body of synchronous nitration and denitrification sewage treatment technique is a rectangle reaction tank being partitioned into five unit,
Require according to water outlet needs and dephosphorization denitrogenation and use different compound modes (referring to accompanying drawing 1).Reactor uses the series connection of many ponds
Structure, builds the anoxia-anaerobic-aerobic environment (referring to accompanying drawing 2) needed for denitrogenation dephosphorizing.The operation of system uses scalable side
Formula, by regulating anaerobic/anoxic and aerobic combination, each stage running time to adapt to the change of different quality, the water yield.Pass through
PLC programmable controller signal controls to make the fully automated operating of system, when can change each stage running by touching display screen
Between, understand each pond running status at any time；The working order of equipment is it will be seen that by the button indicating lamp of switch board；Pass through
The input of new program singal can change the method for operation, simple and direct-viewing operation, goes slick.
The main body reactor of synchronous nitration and denitrification municipal wastewater New Process for Treatment is the rectangle form pool being separated into five unit
Body, shares pool wall between adjacent pool, waterpower communicates.As shown in Figure 2, numbered 1#, 5#'s is pond, two limits, alternately as precipitation
Pond；Numbered 2#, 3#, 4# always as reaction tank.
Stage one, two, three, four constitutes the upper half cycle, and the stage one is pre-main phase, and the stage two, three is transition stage, the stage
Four is precipitate phase.Stage five, six, seven, eight constitutes the lower half cycle, with upper half cycle reverse symmetry, is completed by phase transition
The conversion of the aerobic/anaerobic condition of one reaction pool, is automatically performed mixed-liquor return, simultaneously by half period property water inlet direction
Change and be automatically performed sludge reflux.The anaerobism of municipal wastewater, anoxia, time scale aerobic, precipitation are 1.5:1.5:12:3.Logical
Cross water circulation and realize the backflow of mud and mixed liquor, be not provided with sludge circulation pump and mixed-liquor return pump.
Stage one is A/A/O/O process.Intaking from 1# pond, this pond was constantly in the last half period and is settled out water state,
Have accumulated a large amount of through regeneration, there is the mud of higher adsorption activity.Dissolved oxygen is low, along with the entrance of former water, pond internal contamination thing
Concentration raises, and the absorption of activated sludge strengthens with degradation capability.The upper stage is as the NO of discharge bay remaining3 --N utilizes in water inlet rich
Rich carbon source reduces rapidly through Denitrification, reaches anaerobic state.Macromolecule in acidification hydrolization water inlet simultaneously in 1# pond
Organic substance is low molecule organic matter, builds good anaerobic phosphorus release environment.Sewage enters 2# pond therewith, and this pond is through adjacent upper rank
The good oxygen condition of section, nitrate enriches, and has easily biological-degradable Organic substance the sewage come from 1# pond plug-flow, carries out denitrification and takes off
Nitrogen.Subsequently into 3#, 4# Aerobic Pond, carry out Organic substance aerobic degradation, NH4 +The nitrification of-N and aerobic phosphorus absorption process.5# pond is made
For discharge bay, discharge supernatant.
Stage two intakes from 2# pond, and 2# pond is through anoxic denitrification process on last stage, and nitrate nitrogen content is low, easily builds
Anaerobic environment, then through 3#, 4# pond two-stage aerobic, complete nitrification, organic matter degradation and suction phosphorus process, discharge from 5# pond.1# pond
In the stage two, three in upper half cycle, controlling oxygen condition preferably, through the anaerobic phosphorus release in stage one, polyP bacteria (PAOs) utilizes
The PHB stored, as carbon source and energy growth metabolism, completes to inhale phosphorus process.
Stage three intakes from 2# pond, and 2# pond has been proceeded to oxygen condition by anaerobism, and degradation of organic substances, nitrification also inhale phosphorus.3# pond warp
Upper two stage good oxygen condition, nitrate nitrogen content is big, and this stage proceeds to anaerobic condition and completes denitrification process.4# pond is aerobic, stripping
Nitrogen, further degradation of organic substances also inhales phosphorus.
Stage four is precipitate phase, and 1# pond stops aeration, proceeds to quiescent setting state, makees as discharge bay for the lower half cycle
Preparing, the state of remaining each reaction tank is same with stage 3 phase.
Idiographic flow is as follows: upper half cycle four step, 1) the first pond, limit intakes as water inlet and anaerobic pond, second and third, four ponds
Respectively as anoxia, aerobic, aerobic reaction pond, the 5th pond is as sedimentation tank water outlet；2) the first pond as aerobic, second and third, four
Pond is respectively as anoxia, aerobic, aerobic reaction pond, and the 5th pond is as sedimentation tank；3) the first pond as aerobic, second and third, four ponds
Respectively as aerobic, anoxia, aerobic reaction pond, the 5th pond is as sedimentation tank；4) the first pond as precipitation, second and third, four ponds divide
Not as aerobic, anoxia, aerobic reaction pond, the 5th pond is as sedimentation tank；Wherein 2) in-4), the 5th pond all goes out as sedimentation tank
Water；The course of reaction that four steps in lower half cycle four step and upper half cycle are counterclockwise: 5) the 5th pond, limit enters as water inlet and anaerobic pond
Water, the four, the three, two ponds respectively as anoxia, aerobic, aerobic reaction pond, the first pond is as sedimentation tank water outlet；6) the 5th pond conduct
Aerobic, the four, the three, two ponds respectively as anoxia, aerobic, aerobic reaction pond, the first pond is as sedimentation tank；7) the 5th pond is as good
Oxygen, the four, the three, two ponds respectively as aerobic, anoxia, aerobic reaction pond, the first pond is as sedimentation tank；8) the 5th pond is as heavy
Form sediment, the four, the three, two ponds respectively as aerobic, anoxia, aerobic reaction pond, the first pond is as sedimentation tank；Wherein 6) in-8) first
Pond is as the equal water outlet of sedimentation tank.
Lower half periodic reverse is intake, technique and upper half cycle reverse symmetry, and five-case integrated activated sludge technique uses many
Pond cascaded structure, and on space with time, build the anoxia needed for denitrogenation dephosphorizing, anaerobism, aerobic environment by phase transition.
Current whole apparatus system is by PLC programmable controller controls.
Claims (5)
1. a synchronous nitration and denitrification municipal wastewater processing method, is characterized in that utilizing and is partitioned into the reaction of five rectangles as follows
Pond processes, and during two linear array of five rectangle reaction tanks, first row is two reactions in left and right in three rectangle reaction tanks
Pond is provided with water inlet, two reaction tanks of second row are provided with intake-outlet, and two rows also constitute a rectangle；Two reaction tanks of second row
Hold concurrently simultaneously and precipitate and reaction tank, require according to water outlet needs and dephosphorization denitrogenation and use the different combined treatment stages；Water complete
Flow processing is all through water inlet anaerobic-anoxic-oxic-precipitation water outlet four processing stage；The rectangle of two five unit of row is anti-
Ying Chi is equipped with aerator, and the adjacent pool wall of rectangle reaction tank of two five unit of row was provided with aquaporin, can pass through operation
The position switching of water-in and water-out, forms Hydraulic Circulation clockwise or counterclockwise, two reaction tanks of second row that is the oneth the 5th two
Pond is as pond, limit, alternately as sedimentation tank, simultaneously also respectively as reaction tank；First row be three rectangle reaction tanks that is second to
4th reaction tank is always as reaction tank.
Synchronous nitration and denitrification municipal wastewater processing method the most according to claim 1, is characterized in that idiographic flow is as follows:
Upper half cycle four step, 1) the first pond, limit intakes as water inlet and anaerobic pond, second and third, four ponds are respectively as anoxia, aerobic, good
Oxygen reaction tank, the 5th pond is as sedimentation tank water outlet；2) the first pond as aerobic, second and third, four ponds respectively as anoxia, aerobic,
Aerobic reaction pond, the 5th pond is as sedimentation tank；3) the first pond as aerobic, second and third, four ponds are respectively as aerobic, anoxia, good
Oxygen reaction tank, the 5th pond is as sedimentation tank；4) the first pond as precipitation, second and third, four ponds are respectively as aerobic, anoxia, aerobic
Reaction tank, the 5th pond is as sedimentation tank；Wherein 2) in-4), the 5th pond is as the equal water outlet of sedimentation tank；Lower half cycle four step and upper half
Four steps in cycle are similar, but what 1-4 step of water inlet water (flow) direction is contrary, the course of reaction that the formation lower half cycle is counterclockwise.
Synchronous nitration and denitrification municipal wastewater processing method the most according to claim 1, total residence time 14-18h it
Between, wherein, anaerobism, anoxia, time scale aerobic, precipitation are 1.5:1.5:12:3.
Synchronous nitration and denitrification municipal wastewater processing method the most according to claim 1, is characterized in that idiographic flow is as follows:
Upper half cycle four step, 1) the first pond, limit intakes as water inlet and anaerobic pond, second and third, four ponds are respectively as anoxia, aerobic, good
Oxygen reaction tank, the 5th pond is as sedimentation tank water outlet；2) the first pond as aerobic, second and third, four ponds respectively as anoxia, aerobic,
Aerobic reaction pond, the 5th pond is as sedimentation tank；3) the first pond as aerobic, second and third, four ponds are respectively as aerobic, anoxia, good
Oxygen reaction tank, the 5th pond is as sedimentation tank；4) the first pond as precipitation, second and third, four ponds are respectively as aerobic, anoxia, aerobic
Reaction tank, the 5th pond is as sedimentation tank；Wherein 2) in-4), the 5th pond is as the equal water outlet of sedimentation tank；Lower half cycle four step and upper half
The course of reaction that four steps in cycle are counterclockwise: 5) the 5th pond, limit intakes as water inlet and anaerobic pond, and the four, the three, two ponds make respectively
For anoxia, aerobic, aerobic reaction pond, the first pond is as sedimentation tank water outlet；6) the 5th pond is as aerobic, the four, the three, two ponds difference
As anoxia, aerobic, aerobic reaction pond, the first pond is as sedimentation tank；7) the 5th pond as aerobic, the four, the three, two ponds make respectively
For aerobic, anoxia, aerobic reaction pond, the first pond is as sedimentation tank；8) the 5th pond as precipitation, the four, the three, two ponds respectively as
Aerobic, anoxia, aerobic reaction pond, the first pond is as sedimentation tank；Wherein 6) in-8), the first pond is as the equal water outlet of sedimentation tank.
Synchronous nitration and denitrification municipal wastewater processing method the most according to claim 1, is characterized in that passing through water circulation
Realize the backflow of mud and mixed liquor, be not provided with sludge circulation pump and mixed-liquor return pump.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608677A (en) * | 2016-12-09 | 2017-05-03 | 广东首汇蓝天工程科技有限公司 | Sewage treatment system and treatment process thereof |
| CN109534500A (en) * | 2018-05-03 | 2019-03-29 | 哈尔滨工业大学（威海） | One kind passing through multi-functional A2The method that O technique optimizes denitrogenation dephosphorizing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654375A (en) * | 2005-01-24 | 2005-08-17 | 东南大学 | Five-case integrated activated sludge iodide-removal and denitrogenation process |
-
2016
- 2016-08-24 CN CN201610720959.1A patent/CN106186325A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654375A (en) * | 2005-01-24 | 2005-08-17 | 东南大学 | Five-case integrated activated sludge iodide-removal and denitrogenation process |
Non-Patent Citations (2)
| Title |
|---|
| 徐春晖等: "五箱一体化活性污泥法除磷脱氮性能初步研究", 《给水排水》 * |
| 陈文亮等: "五箱一体化活性污泥工艺的数学模拟与校正", 《化工学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608677A (en) * | 2016-12-09 | 2017-05-03 | 广东首汇蓝天工程科技有限公司 | Sewage treatment system and treatment process thereof |
| CN109534500A (en) * | 2018-05-03 | 2019-03-29 | 哈尔滨工业大学（威海） | One kind passing through multi-functional A2The method that O technique optimizes denitrogenation dephosphorizing |
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