CN1676475A - Method for starting anaerobic ammoxidation reactor - Google Patents
Method for starting anaerobic ammoxidation reactor Download PDFInfo
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- CN1676475A CN1676475A CNA2005100489790A CN200510048979A CN1676475A CN 1676475 A CN1676475 A CN 1676475A CN A2005100489790 A CNA2005100489790 A CN A2005100489790A CN 200510048979 A CN200510048979 A CN 200510048979A CN 1676475 A CN1676475 A CN 1676475A
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- reactor
- ammonia oxidation
- anaerobic ammonia
- biofilm
- startup
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- 238000000034 method Methods 0.000 title claims abstract description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000010841 municipal wastewater Substances 0.000 claims description 3
- 230000001546 nitrifying effect Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000029087 digestion Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
This invention discloses a startup method of anaerobic ammonia oxidation reactor. At first it uses anaerobic digestion sludge as the seed sludge, and cultures denitrifying biofilm in the reactor with soft filler, then it makes use of metabolizing and substrate diversity, through infall substrate change to startup the anaerobic ammonia oxidation reaction using denitrifying biofilm as the second seed sludge to speed up the starting of the reactor. The seed sludge of denitrifying biofilm can successfully startup the anaerobic ammonia oxidation reactor in three months, and can get stable and highly-effective denitrifying effect. The biofilm can effectively maintain the microbe, and increase the amount of microbe in the reactor. In the startup and operational procedure, the ratio of removal amount of NH4+ --N and NH2 - --N, the PH value in the reactor and the color change of the sludge can be used as the indicating parameter for the operational performance of anaerobic ammonia oxidation reaction.
Description
Technical field
The present invention relates to a kind of startup method of anaerobic ammonia oxidation reactor, start the method for anaerobic ammonia oxidation reactor with denitrification biofilm.
Background technology
Anammox is a kind of newfound with NH
4 +For electron donor, with NO
2 -Microbial reaction for electron acceptor(EA) generation nitrogen has the excellent development application prospect in the wastewater biological denitrificaion field.But as the anaerobic ammonia oxidizing bacteria poor growth of this technology main body, cause anaerobic ammonia oxidation reactor long start time, limited this The Application of Technology.
The cotton-shaped anaerobic sludge of many both at home and abroad employings directly starts anaerobic ammonia oxidation reactor as kind of mud at present, and start time is long.For floc sludge, microbial film can effectively be held and stay poky microorganism, improves the biomass in the reactor.Have low price, advantage (seeing reference 1 for details) that the attached microbial performance is good as the soft cellulose filler of one of biofilm carrier, but be not applied to anaerobic ammonia oxidation process so far as yet.
Reference:
1. open from outstanding. drainage system (volume two). Beijing: China Construction Industry Press, 1996 (the 3rd editions), 215-216.
2. gold snow is marked, Yan Ning, and three kinds of denitrification process are relatively. water supply and drainage, 2003,29 (1): 32-34.
3. Zhou Lixiang, Hu Aitang, Hu Zhongming. anaerobically digested sludge chemical constitution and environmental chemistry character thereof. plant nutrition and fertilizer journal, 1997,3 (2): 176-181.
4. Wang Yi, Peng Dangcong. denitrification granular sludge research. environmental science and technology, 2004,27 (1): 15-17,50.
Summary of the invention
The objective of the invention is provides a kind of anaerobic ammonia oxidation reactor startup method in order to overcome anaerobic ammonia oxidation reactor long deficiency start time.This method can not only be accelerated the startup of anaerobic ammonia oxidation reactor, and reactor is stable, the nitric efficiency height.
The step of method is as follows:
1) cultivation of denitrification biofilm:
In the upflowing biofilm reactor of interior extension soft cellulose filler (performance of close therewith upflowing elastic filler biofilm reactor see reference document 2), with municipal wastewater treatment plant anaerobically digested sludge or direct negate nitrifying sludge is kind of a mud (its basic proterties is referring to document 3-4), under 20～35 ℃ of temperature, carry out the cultivation of denitrification biofilm, after 1 month, on soft-filler, form the lark denitrification biofilm;
2) startup of anaerobic ammonia oxidation reactor:
Adopt NO
2 --N and NH
4 +The ratio of-N is 1～1.5 water inlet, and control water inlet pH is a neutrallty condition, is that secondary kind mud carries out the startup of anaerobic ammonia oxidation reactor with the denitrification biofilm, initial start stage water inlet NH
4 +-N and NO
2 --N concentration is controlled at 70～100mg/L, starts anaerobic ammonia oxidation reactor in 3 months, water outlet NH
4 +-N and NO
2 --N concentration all is lower than 1mg/L.After starting successfully, can progressively improve water inlet nitrogen load, the nitrogen concentration amplification of at every turn intaking is 35～70mg/L.
The invention has the beneficial effects as follows that denitrification mud wide material sources are easy to obtain, is that kind of mud can successfully start anaerobic ammonia oxidation reactor in 3 months time with denitrification biofilm, at this moment, and NH
4 +With NO
2 -Clearance is higher than 98% and 99%, and volumetric loading can reach 143mg TN/L.d, and can obtain the denitrification effect (maximum volume is removed load and reached 658mg TN/L.d) of stability and high efficiency.According to the anaerobic ammonia oxidation reactor device operating performance indication parameter that proposes, effectively the startup process of monitoring reaction device and in time adjustment operating parameter.
Embodiment
The present invention utilizes the fast characteristics of denitrifying bacteria growth, under the condition of temperature and water inlet pH neutral, is kind of a mud with anaerobically digested sludge earlier in normal pressure, cultivates denitrification biofilm in hanging with the reactor of soft-filler.Utilizing metabolism diversity and the matrix diversity of microorganism again, by changing water inlet matrix, is that secondary kind mud carries out the startup of anaerobic ammonia oxidation reactor with the denitrification biofilm, accelerates the purpose that anaerobic ammonia oxidation reactor starts to reach.Microbial film can effectively be held and stay microorganism, improves the biomass in the reactor.
The present invention proposes, in Anammox reaction startup and operational process, with NO
2 --N removal amount and NH
4 +Ratio between the-N removal amount, and the pH value in the reactor and mud change in color are as the indication parameter of anaerobic ammonia oxidation reactor operating performance.
The present invention adopts the working method of aforesaid method processing anaerobically digested sludge pressing filtering liquid as follows:
1, the cultivation of denitrification biofilm: in the upflowing biofilm reactor of interior extension soft-filler, with municipal wastewater treatment plant anaerobically digested sludge is that kind of a mud is (under the situation with good conditionsi, directly the negate nitrifying sludge is kind of a mud), at normal pressure, under the condition that temperature range is 20～35 ℃, carry out the cultivation of denitrification biofilm.Can on soft-filler, observe the formation of lark denitrification biofilm after 1 month.
2, the startup of anaerobic ammonia oxidation reactor: after denitrification biofilm is cultivated successfully, adopt NH
4 +-N and NO
2 -The ratio of-N is about 1 water inlet, and control water inlet pH is a neutrallty condition, is that secondary kind mud carries out the startup of anaerobic ammonia oxidation reactor with the denitrification biofilm.Initial start stage water inlet NH
4 +-N and NO
2 --N concentration is controlled at 70～100mg/L, can successfully start anaerobic ammonia oxidation reactor, water outlet NH in 3 months
4 +-N and NO
2 --N concentration all is lower than 1mg/L.Monitor NO simultaneously
2 --N removal amount and NH
4 +Ratio between the-N removal amount, and pH value and mud change in color in the reactor instruct the startup and the operation of reactor.Starting successful reactor can progressively improve the water inlet nitrogen concentration (each concentration increasing degree is 35～70mg/L), and maximum volume is removed load and reached 658mg TN/L.d.
Embodiment
This test is to carry out in the upflowing biofilm reactor that a volume is 2L.Earlier soft-filler is placed anaerobically digested sludge to leave standstill 1 day before the test with the absorption microorganism.The basic proterties of anaerobically digested sludge is: SS 32.06g/L, and VSS 17.88g/L, VSS/SS 55.77%.
1, the cultivation of denitrification biofilm: at normal pressure, under 30 ℃ the condition, the anaerobically digested sludge pressing filtering liquid of certain sewage work of the nitrated mistake of learning from else's experience carries out the cultivation of denitrification biofilm for water inlet.In order to provide denitrification required carbon source, add the former water of an amount of Sewage Plant and make COD and NO
3 -The ratio of-N is controlled at about 3.6.The water inlet NO at initial stage
3 -The about 140mg/L of-N concentration, control water outlet NO
3 -The about 2mg/L of-N concentration progressively improves the water inlet substrate concn, and the operation through 1 month can observe the formation of lark denitrification biofilm on soft-filler.
2, the startup of anaerobic ammonia oxidation reactor: after denitrification biofilm is cultivated successfully, at normal pressure, 30 ℃, under the condition of pH7～8, with anaerobically digested sludge pressing filtering liquid (NH
4 +-N and NO
2 -The ratio of-N is about 1) for water inlet, be that secondary kind mud carries out the startup of anaerobic ammonia oxidation reactor with the denitrification biofilm.Initial start stage makes NH with tap water dilution water inlet
4 +-N and NO
2 --N concentration is controlled at 70～100mg/L, can successfully start anaerobic ammonia oxidation reactor, water outlet NH in 85 days
4 +-N and NO
2 --N concentration all is lower than 1mg/L.Monitor NO simultaneously
2 --N removal amount and NH
4 +Ratio between the-N removal amount, and pH value and mud change in color in the reactor instruct the startup and the operation of reactor.In the start-up course, NO
2 --N removal amount and NH
4 +The ratio of-N removal amount progressively carries out the transition between 1.4～1.6 by instability, there is the process that is raise by low in water outlet pH value, final and water inlet pH value reaches unanimity, be between 7.6～7.8, the mud color progressively carries out the transition to brown by lark, finally go out to represent the redness of Anammox mud characteristic feature, reflected the progressively process of dominate in reactor of Anammox reaction.Starting successful reactor can progressively improve the water inlet nitrogen concentration (each concentration increasing degree is 35～70mg/L), and maximum volume is removed load and reached 658mg TN/L.d.
Claims (1)
1. denitrification biofilm starts the method for anaerobic ammonia oxidation reactor, it is characterized in that the step of method is as follows:
1) cultivation of denitrification biofilm:
In the upflowing biofilm reactor of interior extension soft-filler, with municipal wastewater treatment plant anaerobically digested sludge or direct negate nitrifying sludge is kind of a mud, under 20～35 ℃ of temperature, carries out the cultivation of denitrification biofilm, after 1 month, on soft-filler, form the lark denitrification biofilm;
2) startup of anaerobic ammonia oxidation reactor:
Adopt NH
4 +-N and NO
2 -The ratio of-N is the water inlet of 1-2, and control water inlet pH is a neutrallty condition, is that secondary kind mud carries out the startup of anaerobic ammonia oxidation reactor with the denitrification biofilm, initial start stage water inlet NH
4 +-N and NO
2 --N concentration is controlled at 70～100mg/L, starts anaerobic ammonia oxidation reactor in 3 months, water outlet NH
4 +-N and NO
2 --N concentration all is lower than 1mg/L, and the nitrogen concentration amplification of at every turn intaking is 35～70mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100489790A CN100381374C (en) | 2005-01-21 | 2005-01-21 | Method for starting anaerobic ammoxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100489790A CN100381374C (en) | 2005-01-21 | 2005-01-21 | Method for starting anaerobic ammoxidation reactor |
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| Publication Number | Publication Date |
|---|---|
| CN1676475A true CN1676475A (en) | 2005-10-05 |
| CN100381374C CN100381374C (en) | 2008-04-16 |
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ID=35049242
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|---|---|---|---|
| CNB2005100489790A Expired - Fee Related CN100381374C (en) | 2005-01-21 | 2005-01-21 | Method for starting anaerobic ammoxidation reactor |
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| CN (1) | CN100381374C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526233C (en) * | 2007-01-19 | 2009-08-12 | 华南理工大学 | Anerobic ammoxidation and denitrification synergistic denitrification method for garbage leachate |
| CN101343116B (en) * | 2008-07-18 | 2011-06-15 | 北京工业大学 | Quick start method for anaerobic ammonia oxidation bioreactor for urban sewage |
| CN102259976A (en) * | 2011-05-23 | 2011-11-30 | 杭州师范大学 | Method for quickly starting anaerobic ammonia oxidation reactor |
| CN102701445A (en) * | 2012-07-02 | 2012-10-03 | 哈尔滨工业大学 | Normal-temperature starting domestication method for anaerobic ammoxidation reactor with low-dissolved-oxygen inflow water |
| CN102897910A (en) * | 2012-10-24 | 2013-01-30 | 北京工业大学 | Anaerobic ammonia oxidation process start and high-efficiency operation method for treating urban domestic sewage |
| CN102910732A (en) * | 2012-11-09 | 2013-02-06 | 北京桑德环境工程有限公司 | Method for rapidly starting anaerobic reactor by high-concentration organic wastewater |
| CN107140732A (en) * | 2017-07-06 | 2017-09-08 | 龙岩学院 | A kind of upflow anaerobic sludge blanket reactor and method of wastewater treatment |
| CN109809558A (en) * | 2019-03-19 | 2019-05-28 | 东北大学 | A kind of Composite denitrification reactor and denitrification treatment process based on sulfenyl filler |
| CN111422993A (en) * | 2020-03-12 | 2020-07-17 | 广东工业大学 | Method for rapidly starting autotrophic ammonia oxidation by using heterotrophic denitrification granular sludge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401594A (en) * | 2002-06-13 | 2003-03-12 | 浙江大学 | Anaerobic sewage biological denitrifying device starting method |
-
2005
- 2005-01-21 CN CNB2005100489790A patent/CN100381374C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526233C (en) * | 2007-01-19 | 2009-08-12 | 华南理工大学 | Anerobic ammoxidation and denitrification synergistic denitrification method for garbage leachate |
| CN101343116B (en) * | 2008-07-18 | 2011-06-15 | 北京工业大学 | Quick start method for anaerobic ammonia oxidation bioreactor for urban sewage |
| CN102259976A (en) * | 2011-05-23 | 2011-11-30 | 杭州师范大学 | Method for quickly starting anaerobic ammonia oxidation reactor |
| CN102259976B (en) * | 2011-05-23 | 2013-01-23 | 杭州师范大学 | Method for quickly starting anaerobic ammonia oxidation reactor |
| CN102701445A (en) * | 2012-07-02 | 2012-10-03 | 哈尔滨工业大学 | Normal-temperature starting domestication method for anaerobic ammoxidation reactor with low-dissolved-oxygen inflow water |
| CN102897910A (en) * | 2012-10-24 | 2013-01-30 | 北京工业大学 | Anaerobic ammonia oxidation process start and high-efficiency operation method for treating urban domestic sewage |
| CN102897910B (en) * | 2012-10-24 | 2013-10-30 | 北京工业大学 | Anaerobic ammonia oxidation process start and high-efficiency operation method for treating urban domestic sewage |
| CN102910732A (en) * | 2012-11-09 | 2013-02-06 | 北京桑德环境工程有限公司 | Method for rapidly starting anaerobic reactor by high-concentration organic wastewater |
| CN102910732B (en) * | 2012-11-09 | 2013-10-30 | 北京桑德环境工程有限公司 | Method for rapidly starting anaerobic reactor by high-concentration organic wastewater |
| CN107140732A (en) * | 2017-07-06 | 2017-09-08 | 龙岩学院 | A kind of upflow anaerobic sludge blanket reactor and method of wastewater treatment |
| CN109809558A (en) * | 2019-03-19 | 2019-05-28 | 东北大学 | A kind of Composite denitrification reactor and denitrification treatment process based on sulfenyl filler |
| CN111422993A (en) * | 2020-03-12 | 2020-07-17 | 广东工业大学 | Method for rapidly starting autotrophic ammonia oxidation by using heterotrophic denitrification granular sludge |
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| Publication number | Publication date |
|---|---|
| CN100381374C (en) | 2008-04-16 |
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