CN109775854A - The multiple continuous bioreactor of ring and sewage treatment process - Google Patents
The multiple continuous bioreactor of ring and sewage treatment process Download PDFInfo
- Publication number
- CN109775854A CN109775854A CN201910102794.5A CN201910102794A CN109775854A CN 109775854 A CN109775854 A CN 109775854A CN 201910102794 A CN201910102794 A CN 201910102794A CN 109775854 A CN109775854 A CN 109775854A
- Authority
- CN
- China
- Prior art keywords
- mixed liquor
- reactor
- ring
- water
- lattice
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000011282 treatment Methods 0.000 title claims abstract description 17
- 239000010865 sewage Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000010992 reflux Methods 0.000 claims abstract description 19
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 10
- 231100000719 pollutant Toxicity 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000005276 aerator Methods 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 23
- 229910052760 oxygen Inorganic materials 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 11
- 244000005706 microflora Species 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000006396 nitration reaction Methods 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000037230 mobility Effects 0.000 claims description 2
- 230000035764 nutrition Effects 0.000 claims description 2
- 235000016709 nutrition Nutrition 0.000 claims description 2
- 239000002957 persistent organic pollutant Substances 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000009897 systematic effect Effects 0.000 abstract 1
- 208000028659 discharge Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009293 extended aeration Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention belongs to sewage treatment fields, and in particular to a kind of continuous bioreactor of ring and sewage treatment process again.Reactor of the invention includes more lattice bioreactors of filler built in concatenated partial region and aerator, it is multiple can be from the stripping tube and a set of reflux canal of each reaction grid device water outlet bottom backflow mixed liquor, when pending water passes through the reactor, form continuous ring type water flow and mixed liquor reflux all linked with one another, answer ring continuous flow, in turn, the multiple-microorganism systematic collaboration formed in reactor is completed to pollutant, the removal of ammonia nitrogen etc., it is strong with anti impulsion load ability, influent ammonia nitrogen content is allowed to improve to 500mg/l, characteristics of compact layout, land occupation is few, process flow is simple, convenient operation and management, it is able to achieve adjustable and Relative steady-state nitrification-denitrification process, under the low water temperature condition under 15 DEG C of temperature or so, it can also complete nitrification-denitrification process.
Description
Technical field
The invention belongs to sewage treatment fields, and in particular to a kind of continuous bioreactor of ring and sewage treatment process again.
Background technique
Cost-effectively controlling high concentration high ammonia-nitrogen wastewater or high concentration nitrogen-containing waste water pollution is that current environmental worker grinds
One of important topic studied carefully, has obtained the great attention of insider, and high concentration high ammonia-nitrogen wastewater or high concentration nitrogen-containing waste water,
Such as fertilizer industrial wastewater, Petrochemical Industry Waste Water, coal chemical industrial waste water, landfill leachate generally have complicated component, biodegradability
The features such as difference and pollutant concentration are high, when handling these waste water with traditional biological facture, vulnerable to temperature and basicity, dissolved oxygen,
COD、 NH3-N、NO2The influence of-N equal size, impact resistance is weaker, especially biological denitrificaion method, the fluctuation warp of relevant parameter
Often result in that treatment effeciency is low, in addition, it is some with lavatory drain based on small-sized sanitary sewage, there is also water quality, waters to change
Greatly, carbon-nitrogen ratio is too low, can not achieve stably reaching standard, and using traditional handicraft, water outlet is only capable of substantially meeting " urban wastewater treatment firm dirt
Contaminating object discharge standard " secondary discharge standard of (GB18918-2002) wants and as country is to the increasingly strict of nitrogen discharged standard
Reaching level-one emission standard A just must be using measures such as conditioning tank, the online supplementary carbon sources of volume super large.
The inventors have recognized that development effectiveness is preferably suitble to high concentration high ammonia-nitrogen wastewater, high concentration nitrogen-containing waste water
Greatly with water quality, water variation, the importance of low ratio of carbon to ammonium sanitary sewage disposal technology improves pollutant emission index to meet
It is real urgent.
Summary of the invention
The present invention provides a kind of multiple continuous bioreactor of ring and sewage treatment process, break traditional bioreactor with
Existing single creature processing technique is the general practice to design a model, in conjunction with the biological treatments skill such as activated sludge process, biofilm
The respective spy of the reactors such as art and A-B method reactor, AO method reactor, sbr reactor device, biological contact oxidation pond, oxidation ditch
Point, reasonable construction is at composite type bioreactor.The cycle alternation between anoxic section and aerobic section is strengthened in segmentation, to realize multistage
Nitration denitrification, especially for high ammonia-nitrogen wastewater, influent ammonium concentration is close to 500mg/L, and denitrification percent improves significant.
The invention is realized by the following technical scheme:
A kind of multiple continuous bioreactor of ring, it is anti-including more lattice of filler built in concatenated partial region and aerator biology
Answer device, multiple canals that can flow back from the stripping tube of each reaction grid device water outlet bottom backflow mixed liquor and a set of mixed liquor.It is special
Sign is: the adjacent lattice top connection of the reactor, sets partition, partition bottom opening among each lattice, institute is arranged in partition both sides
State filler, aerator described in the filler following settings；
It is characterized by: the fluidised form of partition two sides water is substantially the type that is thoroughly mixed, wherein opposite in the reactor
It is flowed in water inlet, the water flow of partition water inlet side is flowed in left-hand circular, and the water flow that partition is discharged side is in right-hand circular
Flowing.
It is characterized by: pending water flows into each lattice of the reactor from top, in the mixed of left-hand circular flowing
Diffusion dilution in liquid is closed, under plug-flow effect, partition aperture is flowed through from lower part with the comparable mixed liquor of inflow, continues in up time
In the mixed liquor that needle circulates diffusion dilution and from top flow out, on the whole, pending water can be with continuous ring type water flow rail
Mark passes through the reactor.
It is characterized by: the multiple stripping tube can promote the mixed liquor of reactor water outlet bottom, pass through institute
It states mixed liquor reflux canal and is back to the first reaction grid device of the reactor, and form the multiple ring of mixed liquor reflux to connect with one another closely,
The quantity of the stripping tube is calculated according to backflow mixed liquor amount and is determined, and can be returned by adjusting air lift gas consumption to adjust mixed liquor
Flow；
It is characterized by: the lattice of the reactor, which is arranged, can be achieved pollutant removal load decrescence, mixed liquor regurgitant volume
Several times increase and the stripping tube lays advantages of simple.The reactor lattice quantity requires to calculate according to pollutant removal
It determines；
It is characterized by: the backflow mixed liquor is able to achieve suitable hydraulic flow state and multiple ring continuous flow track, in this way, working as
When dissolved oxygen reduces in the mixed liquor of circulation farther out, the high mixed liquor of the closer dissolved oxygen content just through air lift is incorporated to again,
It connects with one another closely.Air lift amount is increased, guarantees that backflow mixed liquor is back to the first reaction grid device of the reactor with aerobic state, suitably
Air lift amount is reduced, and backflow mixed liquor can be made to be back to the first reaction grid device of the reactor with aerobic-anaerobic alternant.
The sewage treatment process of the multiple continuous bioreactor of ring successively includes water inlet, multiple stage circulation reacts, multiple spot mixes
Close liquid reflux, it is characterised in that steps are as follows:
(1) necessary pretreatment is carried out, influent COD≤1600mg/l, NH are made3- N≤500mg/l, if influent COD amount is C
(similarly hereinafter), if influent ammonia nitrogen amount is N (similarly hereinafter), reflux ratio R takes in C/500 and two ratios of N/50 biggish one.Adjust gas
Drawings tolerance, after mixing the mixed liquor of reflux with the ratio of R:1 with the sewage being newly passed through, the first lattice into the reactor are anti-
Answer device；
It (2) is in reply immediately ring fastly continuously to flow shape by mixed liquor in maximum aeration quantity agitation reactor when C/N is less than 20
State, for the dissolved oxygen of water in 1.5mg/l~3.5mg/l, i.e. reactor presses aerobic mode operation in each reaction grid device,
In, activated sludge area dissolved oxygen exists in 2.5mg/l~3.5mg/l, reactor in 1.5~2.5mg/l, packing area dissolved oxygen
Adhere to aerobic, the attachment microfloras such as facultative type and suspension aerobic.When C/N is greater than 20, stirred by smaller aeration quantity
Mixed liquor is in answering at a slow speed the continuous flow regime of ring in reactor, in each reaction grid device the dissolved oxygen of water 0mg/l~
3.0mg/l, i.e. reactor press anaerobic-aerobic mode operation, wherein activated sludge area top dissolved oxygen 0.5mg/l~
2.0mg/l, activated sludge area lower part dissolved oxygen is in 0.5mg/l hereinafter, packing area dissolved oxygen is in 2.0mg/l~3.0mg/l, instead
Answer in device there are suspension oxygen-starved, attachment aerobic, attachment the microfloras such as facultative type and suspension aerobic.Two kinds of operation moulds
Under formula, the dominant bacteria that breathing, nutrition, mobility etc. differ from one another will form in respective specific microenvironment, it is each
It will form the dynamic equilibrium system for the multiple-microorganism for not only cooperating but also restricting in reaction grid device, moreover, being constantly proliferated, being fitted
It answers, eliminate, the processes such as preferably.With circulating for water flow, completed by the collaboration of each microflora to organic pollutant, ammonia nitrogen
Deng removal, wherein anaerobic-aerobic operational mode can realize the nitrification-denitrification technique of stable state, not only can use nitrate
In oxygen meet certain oxygen demand, and the basicity consumed during denitrification additional nitration can be passed through, be especially suitable for height
The removal of ammonia nitrogen waste water；
(3) the bottom mixed liquor reflux of the previous lattice water outlet of each reaction grid device, can both be reduced into thereafter
The inflow of one lattice can also be oxygenated the mixed liquor promoted, and therefore, water flow is by multiple reactors and with air lift side
Formula reflux bottom mixed liquor, can carry out multiple macrocyclic Anoxybiotic-aerobic biologic processing cycle process.In stepwise disposal and water
Under conditions of measuring decrescence, the latter lattice load of each reaction grid device is than its reduction, it is ensured that goes out the processing requirement of water quality；
Further, when carrying out engineering design, if reactor total number of divisions is n, then n >=Log2(pollutant abatement amount/pollution
Object discharge amount), and the COD amount for taking immediate integer in 2~6, and entering first reaction grid device is (C+ ∑1 n(C/2n·n))/
(n+1), it is (N+ ∑ into the ammonia nitrogen amount of first reaction grid device1 n(N/2n·n))/(n+1)；
Further, when carrying out engineering design, each microflora can be regarded as independent, can clearly divided
Activated sludge process design theory can be used in existing treatment process, suspension oxygen-starved and suspension aerobic region and relevant calculation is public
Formula, adheres to aerobic and biological contact oxidation process design theory and relevant calculation formula can be used in attachment facultative type region, mixes
Oxidation ditch design theory and relevant calculation formula can be used in liquid reflux canal.
The present invention answers having the beneficial effect that for the continuous bioreactor of ring and sewage treatment process:
(1) compared with traditional activated sludge process, biofilm, reactor of the invention have the stage be thoroughly mixed and by
Stage load reduce double grading, not only have stronger anti impulsion load ability, also allow influent ammonia nitrogen content improve to
500mg/l, and ensure that stable water outlet is up to standard；
(2) compared with conventional activated sludge method, averagely equivalent sludge concentration is up to 10000mg/L in reactor of the invention
More than, compared with the oxidation ditch of conventional activated sludge, there is characteristics of compact layout, take up an area few advantage, save land occupation about 30~
50%；
(3) compared with the AO method reactor of conventional activated sludge, reactor internal reflux ratio of the invention reduces 40~
50%；
(4) compared with the sbr reactor device of conventional activated sludge, reactor of the invention does not need water decanter and automatic control system
System, can continuum micromeehanics, water outlet uniformly, process flow is simple, convenient operation and management；
(5) compared with the biological contact oxidation pond of standard biologic embrane method, reactor of the invention be able to achieve it is adjustable, and
And the nitrification-denitrification process of Relative steady-state；
(6) reactor hydraulic detention time (HRT) of the invention shortens, and sludge retention time (SRT) extends, and is SRT
Therefore extended aeration in meaning under the low water temperature condition under 15 DEG C of temperature or so, can also complete nitrification-denitrification mistake
Journey.
Detailed description of the invention
Fig. 1 is the organigram of the multiple continuous bioreactor of ring of the present invention, is 1. filler in Fig. 1, is 2. aerator, 3.
It is 4. air lift regulating valve for air stripper, is 5. aerating regulation valve, reaction grid device headed by A, F is last reaction grid device, and B-E is centre
Reaction grid device, quantity is according to water quality and requires to calculate determination, and G is mixed liquor reflux canal.
Fig. 2 is the track of stream schematic diagram of the multiple continuous bioreactor of ring of the present invention.
Claims (9)
1. a kind of multiple continuous bioreactor of ring, more lattice biological respinses including filler built in concatenated partial region and aerator
Device, multiple canals that can flow back from the stripping tube of each reaction grid device water outlet bottom backflow mixed liquor and a set of mixed liquor.Its feature
Be: the adjacent lattice top connection of the reactor sets partition among each lattice, partition bottom opening, described in the setting of partition both sides
Filler, aerator described in the filler following settings.
2. the multiple continuous bioreactor of ring according to claim 1, it is characterised in that: in the reactor, partition two sides
The fluidised form of water is substantially the type that is thoroughly mixed, wherein is flowed to relative to water inlet, the water flow of partition water inlet side is in left-hand circular
Flowing, the water flow that partition is discharged side are flowed in right-hand circular.
3. the multiple continuous bioreactor of ring according to claim 1, it is characterised in that: pending water flows into described from top
Each lattice of reactor, the diffusion dilution in the mixed liquor of left-hand circular flowing are comparable with inflow under plug-flow effect
Mixed liquor flows through partition aperture from lower part, continues the diffusion dilution in the mixed liquor that right-hand circular flows and flows out from top,
On the whole, pending water can pass through the reactor with continuous ring type track of stream.
4. the multiple continuous bioreactor of ring according to claim 1, it is characterised in that: the multiple stripping tube can will be described
The mixed liquor of reactor water outlet bottom is promoted, and the first reaction grid of the reactor is back to by mixed liquor reflux canal
Device, and the multiple ring of mixed liquor reflux to connect with one another closely is formed, the quantity of the stripping tube is calculated according to backflow mixed liquor amount to be determined,
And mixed liquor regurgitant volume can be adjusted by adjusting air lift gas consumption.
5. the multiple continuous bioreactor of ring according to claim 1, it is characterised in that: the lattice setting of the reactor can
Realize pollutant removal load decrescence, mixed liquor regurgitant volume several times increase and the stripping tube lays advantages of simple；It is described anti-
It answers device lattice quantity to be calculated according to pollutant removal requirement to determine.
6. the multiple continuous bioreactor of ring according to claim 1, it is characterised in that: the backflow mixed liquor is able to achieve conjunction
Suitable hydraulic flow state and multiple ring continuous flow track, in this way, when dissolved oxygen reduces in the mixed liquor of circulation farther out, closer rigid warp
The high mixed liquor of dissolved oxygen content for crossing air lift is incorporated to again, is connected with one another closely.Air lift amount is increased, guarantees backflow mixed liquor with aerobic
State is back to the first reaction grid device of the reactor, appropriate to reduce air lift amount, and backflow mixed liquor can be made to replace with aerobic-anaerobic
Form is back to the first reaction grid device of the reactor.
7. a kind of sewage treatment process of any one of the claim 1~6 multiple continuous bioreactor of ring, successively include into
Water, multiple stage circulation reaction, the reflux of multiple spot mixed liquor, it is characterised in that steps are as follows:
(1) necessary pretreatment is carried out, influent COD≤1600mg/l, NH are made3- N≤500mg/l, if influent COD amount be C (under
Together), if influent ammonia nitrogen amount is N (similarly hereinafter), reflux ratio R takes in C/500 and two ratios of N/50 biggish one.Air lift is adjusted to use
Tolerance, after mixing the mixed liquor of reflux with the ratio of R:1 with the sewage being newly passed through, into the first lattice of the reactor；
It (2) is in reply immediately the continuous flow regime of ring, institute fastly by mixed liquor in maximum aeration quantity agitation reactor when C/N is less than 20
The dissolved oxygen of water in each reaction grid device is stated in 1.5mg/l~3.5mg/l, i.e. reactor presses aerobic mode operation, wherein living
Property sludge area dissolved oxygen in 1.5~2.5mg/l, there is attachment in 2.5mg/l~3.5mg/l, reactor in packing area dissolved oxygen
Aerobic, the attachment microfloras such as facultative type and suspension aerobic.When C/N is greater than 20, by the agitation reaction of smaller aeration quantity
Mixed liquor is in the continuous flow regime of ring is answered at a slow speed in device, and the dissolved oxygen of water is in 0mg/l~3.0mg/ in each reaction grid device
L, i.e. reactor press anaerobic-aerobic mode operation, wherein activated sludge area top dissolved oxygen is lived in 0.5mg/l~2.0mg/l
Property sludge area lower part dissolved oxygen in 0.5mg/l hereinafter, packing area dissolved oxygen exist in 2.0mg/l~3.0mg/l, reactor it is outstanding
Floating oxygen-starved, attachment aerobic, the attachment microfloras such as facultative type and suspension aerobic.Under two kinds of operation modes, respective
It will form the dominant bacteria that breathing, nutrition, mobility etc. differ from one another, meeting in each reaction grid device in specific microenvironment
The dynamic equilibrium system of multiple-microorganism for not only having cooperated but also having restricted is formed, moreover, being constantly proliferated, being adapted to, eliminated, preferably etc.
Process.With circulating for water flow, the removal to organic pollutant, ammonia nitrogen etc. is completed by the collaboration of each microflora, wherein
Anaerobic-aerobic operational mode can realize the nitrification-denitrification technique of stable state, and the oxygen that not only can use in nitrate meets centainly
Oxygen demand, and can pass through denitrification additional nitration during consume basicity, be especially suitable for high ammonia-nitrogen wastewater removal；
(3) the bottom mixed liquor reflux of the previous lattice water outlet of each reaction grid device, can both have been reduced into its latter lattice
Inflow, the mixed liquor promoted can also be oxygenated, therefore, water flow by multiple reactors and with stripping regime return
Bottom mixed liquor is flowed, multiple macrocyclic biological treatment cyclic process can be carried out.In the condition of stepwise disposal and water decrescence
Under, the latter lattice load of each reaction grid device is than its reduction, it is ensured that goes out the processing requirement of water quality.
8. a kind of sewage treatment process of any one of claim 1~6 multiple continuous bioreactor of ring, it is characterised in that:
When carrying out engineering design, if reactor total number of divisions is n, then n >=Log2(pollutant abatement amount/pollutant discharge amount), and 2~
Immediate integer is taken in 6, and the COD amount for entering first reaction grid device is (C+ ∑1 n(C/2nN))/(n+1) is anti-into first lattice
The ammonia nitrogen amount for answering device is (N+ ∑1 n(N/2n·n))/(n+1)。
9. a kind of sewage treatment process of any one of claim 1~6 multiple continuous bioreactor of ring, it is characterised in that:
When carrying out engineering design, the existing treatment process that can be regarded each microflora as independent, can clearly divide suspends
Activated sludge process design theory and relevant calculation formula can be used in oxygen-starved and suspension aerobic region, adheres to aerobic and attachment
Biological contact oxidation process design theory and relevant calculation formula can be used in facultative type region, and oxidation ditch can be used in mixed liquor reflux canal
Design theory and relevant calculation formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910102794.5A CN109775854A (en) | 2019-02-02 | 2019-02-02 | The multiple continuous bioreactor of ring and sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910102794.5A CN109775854A (en) | 2019-02-02 | 2019-02-02 | The multiple continuous bioreactor of ring and sewage treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109775854A true CN109775854A (en) | 2019-05-21 |
Family
ID=66503119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910102794.5A Pending CN109775854A (en) | 2019-02-02 | 2019-02-02 | The multiple continuous bioreactor of ring and sewage treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109775854A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463932A (en) * | 2002-06-27 | 2003-12-31 | 王建民 | Sewage treatment bioreactor |
| US20080110828A1 (en) * | 2004-10-12 | 2008-05-15 | Biocast Systems Inc. | Integrated Multi-Zone Wastewater Treatment System And Method |
| CN101450830A (en) * | 2007-11-30 | 2009-06-10 | 孟广祯 | Multi-stage aerobic and anoxic coupling bioreactor and sewage disposal method |
| CN201793455U (en) * | 2010-06-11 | 2011-04-13 | 北京坎普尔环保技术有限公司 | Multi-coupling bioreactor |
| CN102115296A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-cell denitrifying membrane bioreactor |
| CN105776770A (en) * | 2016-05-06 | 2016-07-20 | 云南大学 | Sewage deep purifying device with high adaptivity and method thereof |
| CN106365314A (en) * | 2015-07-23 | 2017-02-01 | 中国石油化工股份有限公司 | Method and system for carrying out biological denitrification on waste water, and applications of system |
| CN108408883A (en) * | 2017-02-10 | 2018-08-17 | 大连安能杰科技有限公司 | A kind of MBBR integrated reactors gas lift and the air lift circulatory system |
-
2019
- 2019-02-02 CN CN201910102794.5A patent/CN109775854A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463932A (en) * | 2002-06-27 | 2003-12-31 | 王建民 | Sewage treatment bioreactor |
| US20080110828A1 (en) * | 2004-10-12 | 2008-05-15 | Biocast Systems Inc. | Integrated Multi-Zone Wastewater Treatment System And Method |
| CN101450830A (en) * | 2007-11-30 | 2009-06-10 | 孟广祯 | Multi-stage aerobic and anoxic coupling bioreactor and sewage disposal method |
| CN201793455U (en) * | 2010-06-11 | 2011-04-13 | 北京坎普尔环保技术有限公司 | Multi-coupling bioreactor |
| CN102115296A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-cell denitrifying membrane bioreactor |
| CN106365314A (en) * | 2015-07-23 | 2017-02-01 | 中国石油化工股份有限公司 | Method and system for carrying out biological denitrification on waste water, and applications of system |
| CN105776770A (en) * | 2016-05-06 | 2016-07-20 | 云南大学 | Sewage deep purifying device with high adaptivity and method thereof |
| CN108408883A (en) * | 2017-02-10 | 2018-08-17 | 大连安能杰科技有限公司 | A kind of MBBR integrated reactors gas lift and the air lift circulatory system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110002594B (en) | Device and method for realizing shortcut nitrification-anaerobic ammonia oxidation based on hydroxylamine side inhibition | |
| CN105130128B (en) | The short distance nitrations for the treatment of of advanced stage landfill leachate A/O half and UASB Anammox combined denitrification apparatus and method | |
| CN104710087B (en) | Hypoxia-aerobic comprehensive treatment method for tannery waste water | |
| CN205803249U (en) | A kind of anaerobic/anoxic/aerobic MBR sewage-treatment plant | |
| CN110092536A (en) | A kind of kitchen anaerobic digestion biogas slurry combined treatment process | |
| CN101723512B (en) | Ammonia-contained waste water high-efficiency biochemical processing method | |
| CN107585863A (en) | A kind of complete mixed and gallery combined-type sewage biochemical processing method | |
| CN104609558B (en) | A kind of short-cut nitrification and denitrification integrated A BR reactor | |
| CN109205954A (en) | Light electrolysis catalysis oxidation, biochemical treatment high-concentration waste hydraulic art | |
| CN113233593B (en) | Sewage treatment process and sewage treatment device | |
| CN106045030B (en) | A2The apparatus and method of/O-UASB continuous flow city domestic sewage advanced nitrogen dephosphorization | |
| CN210635844U (en) | Sewage is from source reinforcing nitrogen and phosphorus removal system | |
| CN101863592B (en) | Leachate treatment method for small town household refuse landfill sites | |
| CN110171904A (en) | Based on continuous flow AAO dephosphorization and part denitrogenation series hybrid fixed biofilm activated sludge autotrophic denitrification device and method | |
| CN102126817B (en) | AO high-efficiency nitrogen and phosphorus removal system | |
| CN108996687A (en) | A kind of short distance backflow intensifying anoxic/aerobic reactor nitrogen rejection facility and method | |
| CN205710309U (en) | A kind of improvement hypoxemia multistage A/O multiple spot joins bacterium equipment | |
| CN106396105A (en) | A multi-mode reaction tank for sewage treatment | |
| CN104609659B (en) | A kind of method strengthening SBR PROCESS FOR TREATMENT coal chemical industrial waste water denitrification efficiency | |
| CN104828945A (en) | Method for treating low-carbon and high-nitrogen starch wastewater based on modified SBR method | |
| CN211170063U (en) | Integrated equipment with enhanced dephosphorization and denitrification functions | |
| CN109775854A (en) | The multiple continuous bioreactor of ring and sewage treatment process | |
| CN212356736U (en) | High-efficiency nitrogen and phosphorus removal domestic sewage treatment equipment for enriching denitrifying phosphorus accumulating bacteria | |
| CN206298425U (en) | A multi-mode reaction tank for sewage treatment | |
| CN112759083A (en) | Sludge source reduction device and sludge source reduction process |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190521 |
|
| WD01 | Invention patent application deemed withdrawn after publication |