CN1785843A - Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration - Google Patents
Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration Download PDFInfo
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- CN1785843A CN1785843A CNA2005100951050A CN200510095105A CN1785843A CN 1785843 A CN1785843 A CN 1785843A CN A2005100951050 A CNA2005100951050 A CN A2005100951050A CN 200510095105 A CN200510095105 A CN 200510095105A CN 1785843 A CN1785843 A CN 1785843A
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- reactor
- concentration
- ammonia nitrogen
- waste water
- ammonia
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- 239000002351 wastewater Substances 0.000 title claims abstract description 48
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000006396 nitration reaction Methods 0.000 title description 8
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 title 1
- 239000010802 sludge Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 230000001546 nitrifying effect Effects 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 19
- 229910021529 ammonia Inorganic materials 0.000 claims description 18
- 238000011081 inoculation Methods 0.000 claims description 5
- 230000002596 correlated effect Effects 0.000 claims description 3
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 241000108664 Nitrobacteria Species 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 230000031018 biological processes and functions Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002054 inoculum Substances 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The method for implementing low C/N ratio high concentration ammonia nitrogen waste water short-range nitrification includes the following steps: firstly inoculating nitrification granules sludge and placing it into an upflow type aerobic biological reactor with three-phase separator, related characteristic parameters of the nitrification granules sludge are: 62 plus or minus 4g USS/L and 79 plus or minus 3g SS/L; diluting high-concentration ammonia nitrogen waste water to make the ammonia nitrogen concentration be 200-300mg/L and using its as reactor feeding water, the hydraulic detention time of waste water in the reactor is 8-36h, the temperature of reactor interior is retained at 16-35deg.C, the pH value is 7.5-8.5 and dissolved oxygen concentration is 1.5-3.5mg/L; progressively reducing dilution multiple of high-concentration ammonia nitrogen waste water so as to increase ammonia nitrogen concentration is the feeding water until the waste water can be directly used as feeding water. When the ammonia nitrogen removal rate is up to 855 and its operation is stable, the hydraulic detention time can be progressively reduced to 3-15 hr so as to raise volume load of biological reactor.
Description
Technical field
The present invention relates to the implementation method of a kind of low C/N, belong to the biological wastewater treatment technology field than high-concentration ammonia nitrogenous wastewater short distance nitration.
Background technology
Denitrogenation processing is one of important step in the wastewater treatment.The removal method of nitrogen has three kinds of physics method, chemical method and biological processes in the waste water, and the biological process denitrogenation is because of its economy, effectively obtained using widely in the denitrogenation processing of waste water.Yet, because nitrobacteria is a kind of growth velocity autotrophic bacteria extremely slowly, and very responsive to environmental factor, therefore be difficult to be implemented in and keep a large amount of nitrobacterias in the reactor, thereby cause the nitrated rate limiting step that becomes in the wastewater biological denitrificaion processing.Studies show that: the immobilization by nitrobacteria not only can be implemented in keeps a large amount of nitrobacterias in the reactor, and helps the shock-resistant ability of raising system to disadvantageous effect.Granule sludge belongs to microorganism from the fixed category, nitrifying granular activated sludge is that a large amount of nitrobacterias assemble the particulate state microbial aggregate that growth forms, profile with rule, closely knit structure, with good precipitation threshold, utilize higher sludge concentration in their energy realization response devices, help to realize that less reactor takes up an area of design, can bear the sewage load and the impact load of higher concentration.
Low C/N is the focus of present denitrogenation of waste water area research and application than the biological denitrificaion of high-concentration ammonia nitrogenous wastewater, utilize short distance nitration to combine and handle low C/N, have that oxygen-consumption is few, sludge yield is few, do not need remarkable advantage such as additional carbon than high-concentration ammonia nitrogenous wastewater with Anammox (ANAMMOX) technology.The realization of SHARON technology success short distance nitration, yet it has determined this technology can only be applied to hot wastewater based on the different control strategy of two class nitrobacteria growth velocitys under the high temperature, thereby limited to its application.
CN1562799A discloses a kind of quick start method of ammonia-containing water short distance nitration, yet this scheme is controlled at 32～35 ℃ with temperature, and therefore above-mentioned bottleneck still exists.
Summary of the invention
The objective of the invention is in order to provide a kind of nitrifying granular activated sludge that utilizes to realize that low C/N is than high-concentration ammonia nitrogenous wastewater short range nitrifying method.
The nitrifying granular activated sludge that utilizes that the present invention announces realizes that low C/N than high-concentration ammonia nitrogenous wastewater short range nitrifying method, is characterized in that this method comprises the steps:
1) the upflowing aerobe reactor of at first a certain amount of nitrifying granular activated sludge being packed into and being furnished with triphase separator, the correlated character parameter of nitrifying granular activated sludge is: 62g VSS/L, 79g SS/L;
2) high-concentration ammonia nitrogenous wastewater being diluted to ammonia nitrogen concentration is that 200～300mg/L is intake as reactor, the hydraulic detention time of waste water in reactor is 8～36h, keep the interior temperature of reactor between 16～35 ℃, the pH value is between 7.5～8.5, and dissolved oxygen concentration is at 1.5～3.5mg/L;
3) progressively reduce the extension rate of high-concentration ammonia nitrogenous wastewater to increase the ammonia nitrogen concentration in the water inlet, until direct as water inlet with waste water, when ammonia nitrogen removal frank reaches 85% and when stable, progressively reduce hydraulic detention time to improve the volumetric loading of bio-reactor.
Advantage of the present invention is: by inoculate nitrifying granular activated sludge in the upflowing aerobe reactor, realized that low C/N is than high-concentration ammonia nitrogenous wastewater short distance nitration, and can keep reactor operation steady in a long-term, for the application of short distance nitration and Anammox (ANAMMOX) combination process provides guarantee.
Embodiment
At first cultivate nitrifying granular activated sludge, following steps:
1) the upflowing aerobe reactor of at first a certain amount of inoculum being packed into and being furnished with triphase separator; Inoculum is the anaerobic grain sludge in the large-scale anaerobic biological reactor;
2) waste water or preparation contain the simulated wastewater of ammonia nitrogen and organic carbon source, also need add an amount of culture promoter of being made up of phosphoric acid salt, trace element and sodium bicarbonate in the simulated wastewater;
3) described waste water or simulated wastewater being diluted to ammonia nitrogen concentration is that 30～50mg/L is intake as reactor, the hydraulic detention time of waste water in reactor is 8～36h, keep temperature in the reactor between 20～35 ℃, the pH value between 7.5～8.5, dissolved oxygen 1.5～5mg/L;
4) reach 85% and when stable when ammonia nitrogen removal frank, progressively improve the ammonia nitrogen concentration in the water inlet, reach 250～350mg/L, steady running for some time (general 60～120 days), in reactor, obtain nitrifying granular activated sludge until influent ammonium concentration.
In the present invention, trace element is one or more among Fe, Ca, Mg, Cu, B, Ni, Zn, Co, Mn and the Al in the described culture promoter, and every kind of trace trace element is 0.00002～0.02g/L in the concentration of simulated wastewater.
In the present invention, phosphoric acid salt is K in the described culture promoter
2HPO
4, KH
2PO
4, Na
2HPO
4And NaH
2PO
4In one or more, phosphoric is 0.02～0.1g/L in the concentration of simulated wastewater.
With the nitrifying granular activated sludge of a certain amount of inoculation upflowing aerobe reactor of packing into, the correlated character parameter of nitrifying granular activated sludge is: 62 ± 4g VSS/L, 79 ± 3g SS/L.Then high ammonia-nitrogen wastewater being diluted to ammonia nitrogen concentration is that 200～300mg/L pumps into the upflowing aerobe reactor as the reactor water inlet and from the bottom.Keeping the hydraulic detention time in the reactor is 8～36h, and temperature is between 16～35 ℃, and the pH value is between 7.5～8.5, and dissolved oxygen concentration is between 1.5～3.5mg/L.Progressively increase the ammonia nitrogen concentration in the water inlet, until with waste water directly as water inlet, when ammonia nitrogen removal frank reaches 85% and when stable, progressively reduce hydraulic detention time to 3～15 hour volumetric loading with the raising bio-reactor.
Embodiment 1
The 150ml nitrifying granular activated sludge is inoculated into top is equipped with in the upflowing aerobe reactor of triphase separator, the useful volume of this reactor is 1.2L, and the sludge concentration in the inoculation post-reactor is about 9.88gSS/L.Intake as reactor with the simulation high ammonia-nitrogen wastewater, concrete water quality is: ammonia nitrogen 500mg/L, COD100mg/L.It is that 300mg/L is intake as reactor that simulated wastewater is diluted to ammonia nitrogen concentration, and the operational condition of reactor is: hydraulic detention time is 24h, temperature between 24～27 ℃, the pH value between 7.6～8.3, dissolved oxygen 2.0～3.0mg/L.When ammonia nitrogen removal frank reaches 85% and when stable, progressively increase ammonia nitrogen concentration in the water inlet until reaching 500mg/L.Progressively shorten hydraulic detention time, move that hydraulic detention time is 12 hours after 28 days, this upflowing aerobe reactor is at total nitrogen volumetric loading 1.0kg N/ (m
3D) under the condition, ammonia nitrogen removal frank can reach more than 88%, the NO in the reactor water outlet
2 -/ NO
3 -Maintain between 84%～91%, and have advantages of higher stability.
Embodiment 2
The 150ml nitrifying granular activated sludge is inoculated into top is equipped with in the upflowing aerobe reactor of triphase separator, the useful volume of this reactor is 1.2L, and the sludge concentration in the inoculation post-reactor is about 9.88gSS/L.Intake as reactor with the simulation high ammonia-nitrogen wastewater, concrete water quality is: ammonia nitrogen 500mg/L, COD100mg/L.It is that 300mg/L is intake as reactor that simulated wastewater is diluted to ammonia nitrogen concentration, and the operational condition of reactor is: hydraulic detention time is 16h, temperature between 26～29 ℃, the pH value between 7.8～8.5, dissolved oxygen 2.5～3.5mg/L.When ammonia nitrogen removal frank reaches 85% and when stable, progressively increase ammonia nitrogen concentration in the water inlet until reaching 500mg/L.Progressively shorten hydraulic detention time, move that hydraulic detention time is 6 hours after 23 days, this upflowing aerobe reactor is at total nitrogen volumetric loading 2.0kgN/ (m
3D) under the condition, ammonia nitrogen removal frank can reach more than 80%, the NO in the reactor water outlet
2 -/ NO
3 -Maintain between 82%～90%, and have advantages of higher stability.
Embodiment 3
The 150ml nitrifying granular activated sludge is inoculated into top is equipped with in the upflowing aerobe reactor of triphase separator, the useful volume of this reactor is 1.2L, and the sludge concentration in the inoculation post-reactor is about 9.88gSS/L.Intake as reactor with the simulation high ammonia-nitrogen wastewater, concrete water quality is: ammonia nitrogen 500mg/L, COD100mg/L.It is that 300mg/L is intake as reactor that simulated wastewater is diluted to ammonia nitrogen concentration, and the operational condition of reactor is: hydraulic detention time is 24h, temperature between 18～21 ℃, the pH value between 7.6～8.3, dissolved oxygen 1.5～2.5mg/L.When ammonia nitrogen removal frank reaches 85% and when stable, progressively increase ammonia nitrogen concentration in the water inlet until reaching 500mg/L.Progressively shorten hydraulic detention time, move that hydraulic detention time is 4 hours after 42 days, this upflowing aerobe reactor is at total nitrogen volumetric loading 3.0kg N/ (m
3D) under the condition, ammonia nitrogen removal frank is more than 75%, the NO in the reactor water outlet
2 -/ NO
3 -Maintain between 86%～92%, and have advantages of higher stability.
By embodiment as can be known, low C/N is more effective than high-concentration ammonia nitrogenous wastewater short range nitrifying method in a kind of realization disclosed by the invention, can test the short distance nitration of low C/N than high-concentration ammonia nitrogenous wastewater.This method is applied to the processing of low C/N such as percolate, sludge digestion liquid, has great importance than high-concentration ammonia nitrogenous wastewater.
Claims (3)
1, the low C/N of a kind of realization is characterized in that than high-concentration ammonia nitrogenous wastewater short range nitrifying method this method comprises the steps: the upflowing aerobe reactor of at first the nitrifying granular activated sludge inoculation being packed into and being furnished with triphase separator; It is that 200～300mg/L is intake as reactor that high-concentration ammonia nitrogenous wastewater is diluted to ammonia nitrogen concentration, the hydraulic detention time of waste water in reactor is 8～36h, keep the interior temperature of reactor between 16～35 ℃, the pH value is between 7.5～8.5, and dissolved oxygen concentration is at 1.5～3.5mg/L; The extension rate that progressively reduces high-concentration ammonia nitrogenous wastewater is to increase the ammonia nitrogen concentration in the water inlet, until direct as water inlet with waste water.
2, hang down C/N than high-concentration ammonia nitrogenous wastewater short range nitrifying method by the described realization of claim 1, it is characterized in that reaching 85% and when stable, progressively reduce hydraulic detention time to 3～15 hour to improve the volumetric loading of bio-reactor when ammonia nitrogen removal frank.
3, hang down C/N than high-concentration ammonia nitrogenous wastewater short range nitrifying method by the described realization of claim 1, it is characterized in that the correlated character parameter of inoculating nitrifying granular activated sludge is: 62 ± 4g VSS/L, 79 ± 3g SS/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100951050A CN100351186C (en) | 2005-10-31 | 2005-10-31 | Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration |
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|---|---|---|---|
| CNB2005100951050A CN100351186C (en) | 2005-10-31 | 2005-10-31 | Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration |
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|---|---|
| CN1785843A true CN1785843A (en) | 2006-06-14 |
| CN100351186C CN100351186C (en) | 2007-11-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395198C (en) * | 2006-09-01 | 2008-06-18 | 清华大学 | Method of implementing short course nitration in aeration biological filter chamber using inhibitor |
| CN101323486B (en) * | 2008-07-25 | 2010-12-01 | 贵州大学 | Method for realizing low carbon-nitrogen rate high concentration nitrogen-containing waste water steady biological hitrosation |
| CN102259975A (en) * | 2011-05-27 | 2011-11-30 | 甘肃金桥给水排水设计与工程(集团)有限公司 | Bio-augmentation technique for treating high ammonia nitrogen waste water under low temperature condition |
| CN102515348A (en) * | 2011-12-14 | 2012-06-27 | 杭州师范大学 | Operating method for high-efficient anaerobic ammonium oxidation reactor |
| CN102531175A (en) * | 2012-03-08 | 2012-07-04 | 北京工业大学 | Phenol inhibition-coupled low temperature short-cut denitrification method |
| CN106754616A (en) * | 2015-11-19 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of cultural method of nitrosation dominant microflora |
| CN109081431A (en) * | 2018-07-25 | 2018-12-25 | 杭州师范大学 | A method of strengthening anaeration in normal temperature ammonia oxidation reactor thermal shock resistance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69941056D1 (en) * | 1998-07-24 | 2009-08-13 | Paques Bio Syst Bv | METHOD FOR TREATING AN AMMONIA CONTAINING WASTEWATER |
| CN1207216C (en) * | 2002-01-25 | 2005-06-22 | 浙江大学 | Process for bio-denitrifying sewage |
| CN1401594A (en) * | 2002-06-13 | 2003-03-12 | 浙江大学 | Anaerobic sewage biological denitrifying device starting method |
| CN1562799A (en) * | 2004-04-02 | 2005-01-12 | 浙江大学 | Method for fast starting up procedure for nitrifying wastewater of containing ammonia in short range |
-
2005
- 2005-10-31 CN CNB2005100951050A patent/CN100351186C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395198C (en) * | 2006-09-01 | 2008-06-18 | 清华大学 | Method of implementing short course nitration in aeration biological filter chamber using inhibitor |
| CN101323486B (en) * | 2008-07-25 | 2010-12-01 | 贵州大学 | Method for realizing low carbon-nitrogen rate high concentration nitrogen-containing waste water steady biological hitrosation |
| CN102259975A (en) * | 2011-05-27 | 2011-11-30 | 甘肃金桥给水排水设计与工程(集团)有限公司 | Bio-augmentation technique for treating high ammonia nitrogen waste water under low temperature condition |
| CN102515348A (en) * | 2011-12-14 | 2012-06-27 | 杭州师范大学 | Operating method for high-efficient anaerobic ammonium oxidation reactor |
| CN102515348B (en) * | 2011-12-14 | 2013-08-07 | 杭州师范大学 | Operating method for high-efficient anaerobic ammonium oxidation reactor |
| CN102531175A (en) * | 2012-03-08 | 2012-07-04 | 北京工业大学 | Phenol inhibition-coupled low temperature short-cut denitrification method |
| CN102531175B (en) * | 2012-03-08 | 2013-07-10 | 北京工业大学 | Phenol inhibition-coupled low temperature short-cut denitrification method |
| CN106754616A (en) * | 2015-11-19 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of cultural method of nitrosation dominant microflora |
| CN109081431A (en) * | 2018-07-25 | 2018-12-25 | 杭州师范大学 | A method of strengthening anaeration in normal temperature ammonia oxidation reactor thermal shock resistance |
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| Publication number | Publication date |
|---|---|
| CN100351186C (en) | 2007-11-28 |
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Effective date of registration: 20121231 Address after: Huankeyuan garden 214200 Yixing Road, Jiangsu city of Wuxi province No. 501 environmental science and technology building A, 1-4 layer Patentee after: Jiangsu Zhongyi Kim Environmental Protection Industry Technology Research Institute Limited Address before: 210093 Pukou City, Nanjing province high tech Development Zone, Jiangsu, the 4 floor of the 05 Patentee before: Nanjing University Asset Management Co., Ltd. |