CN1401594A - Anaerobic sewage biological denitrifying device starting method - Google Patents
Anaerobic sewage biological denitrifying device starting method Download PDFInfo
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- CN1401594A CN1401594A CN02112100A CN02112100A CN1401594A CN 1401594 A CN1401594 A CN 1401594A CN 02112100 A CN02112100 A CN 02112100A CN 02112100 A CN02112100 A CN 02112100A CN 1401594 A CN1401594 A CN 1401594A
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- nitrogen concentration
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Abstract
An initializing process for anaerobic ammoxidation apparatus to biodenitrify sewage includes usnig bionitrifying apparatus to culture nitrifying bacteria in aerobic condition, collecting the nitrifying particle sludge with both nitrifying and anaerobic amoxidation activities, and adding said sludge to anaerobic ammoxidation apparatus. Its advantages are simple process, high growth speed of bacteria, and long service life.
Description
Technical field
The present invention relates to a kind of startup method of anaerobic sewage biological denitrifying device.
Background technology
Along with the fast development of industrial and agricultural production and increasing substantially of living standards of the people, particularly along with the enforcement of various " vegetable basket projects ", the quantity discharged of China's organic pollutant sharply increases.When the city gate catches fire, the fish in the moat suffer from it, and big or small water body has become the collecting post of all contaminations.In " one control two up to standard " activity, all parts of the country large quantities of biological wastewater treatment engineerings that started have successively been contained the impetus that organic contamination constantly worsens effectively.But after biological treatment, the nitrogen and phosphorus content of discharge water is higher, still is an environomental pollution source that can not be ignored.In China, the body eutrophication due to the nitrogen and phosphorus pollution is very serious, and lake " wawter bloom " and coastal waters " red tide " happens occasionally, and be more and more fiery.Body eutrophication has endangered all conglomeraties such as agricultural, fishery, tourism, also drinking water hygiene and food safety has been constituted huge threat.Nitrate pollution has become current urgency great environmental protection problem to be solved.
Anammox is to be that electron donor, nitrate are the microbial reaction of electron acceptor(EA) with ammonia, and reaction product is a nitrogen.Because this biological respinse can be removed ammonia and nitrate simultaneously, and need not add organic carbon source and the extremely favor of environmental engineering circle.Because the anaerobic ammonia oxidation process based on Anammox is a kind of brand-new bio-denitrifying sewage technology, be committed to engineering and use, there is not ready-made seed sludge; In addition, the growth of anaerobic ammonia oxidizing bacteria is very slow, is seriously restricting the startup process of reaction unit, how to obtain seed sludge and accelerating reactor startup the difficult problem that must capture in this technology practical application.
Summary of the invention
The startup method that the purpose of this invention is to provide a kind of anaerobic sewage biological denitrifying device.
The startup method of anaerobic ammonium oxidation apparatus is to adopt the biological nitration device to cultivate nitrobacteria earlier under aerobic condition, obtain the nitrifying granular activated sludge that has nitrification activity and anaerobic ammoxidation activity concurrently, again nitrifying granular activated sludge is dropped into anaerobic ammonium oxidation apparatus as inoculum; The operational condition of biological nitration device is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 5～15 hours; The operational condition of anaerobic ammonium oxidation apparatus is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 8～18 hours, the ratio of ammonia nitrogen concentration and nitrite nitrogen concentration be 1: 1.1～1.5 or the ratio of ammonia nitrogen concentration and nitre nitrogen concentration be 1: 0.8～1.2.
The present invention utilizes nitrobacteria and metabolism diversity, and the thalline that increases under aerobic condition under anaerobic carries out the Anammox reaction; Utilize nitrobacteria can form the performance of nitrifying granular activated sludge, cultivate anaerobic ammonium oxidation granular sludge by nitrifying granular activated sludge; Utilize the good settling property of anaerobic ammonium oxidation granular sludge, realize the efficient operation of anaerobic sewage biological denitrifying device.The present invention's remarkable advantage the most is: (1) has solved the difficult problem in anaerobic ammonium oxidation apparatus inoculum source; (2) it is slow to have solved the Anammox bacteria growing, is difficult for the difficult problem of amplification; (3) solve anaerobic ammonia oxidizing bacteria and in reaction unit, held a difficult problem of staying.
Embodiment
As inoculum, adopt the biological nitration device with the aerobic activated sludge of common municipal sewage plant, nitrobacteria is cultivated in domestication under aerobic condition, obtains the nitrifying granular activated sludge that has nitrification activity and anaerobic ammoxidation activity concurrently.Operational condition is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 5～15 hours, sewage ammonia nitrogen concentration 30～1500mg/L.Again with the inoculum of nitrifying granular activated sludge as anaerobic ammonium oxidation apparatus, under anaerobic tame inoculum, make nitrifying granular activated sludge change anaerobic ammonium oxidation granular sludge into, by means of the characteristic of the nitrobacteria speed of growth, realize that the acceleration of anaerobic ammonium oxidation apparatus starts faster than anaerobic ammonium oxidizing bacteria.Operational condition is: 20～35 ℃ of temperature, and pH7.0～8.5, hydraulic detention time 8～18 hours, the ratio of ammonia nitrogen concentration and nitrite nitrogen concentration are 1: 1.1～1: 1.5 or ammonia nitrogen concentration and the ratio of nitre nitrogen concentration is 1: 0.8～1: 1.2.In this way the anaerobic ammonium oxidation apparatus of Qi Donging has good working performance, and the total nitrogen volumetric loading reaches 1.5～2.5 kg/m
3D; Ammonia nitrogen and nitre nitrogen removal efficiency are respectively 85～95% and 95～100%.
Embodiment
As inoculum, make matrix with certain municipal sewage plant's aerobic activated sludge, adopt granular mud bed biological nitration reactor (20L), can cultivate nitrifying granular activated sludge with the sewage of ammonia nitrogen concentration 76～780mg/L.Operational condition is: 30 ℃ of temperature, pH7.5～8.0, hydraulic detention time 3～10 hours, the time that granule sludge begins to occur is about 45d, the particle diameter mean value of ripe granule sludge is 0.83mm, settling velocity is 55.53m/h, and the aerobic ammonia oxidation activity is 11.46mg N/gVSd, and anaerobic ammoxidation activity is 5.74g NH
3-N/gVSd.
With the inoculum of nitrifying granular activated sludge,, make nitrifying granular activated sludge change anaerobic ammonium oxidation granular sludge at anaerobic condition domestication inoculum as granular mud bed anaerobic ammonia oxidation reactor (2L).Operational condition is: 30 ℃ of temperature, pH7.5～8.5, hydraulic detention time 6～12 hours, influent ammonium concentration 430～1800mg/L, the ratio of ammonia nitrogen concentration and nitrite nitrogen concentration are 1: 1.1～1: 1.5 or ammonia nitrogen concentration and the ratio of nitre nitrogen concentration is 1: 0.8～1: 1.2.Through 45 days operation, the serviceability of anaerobic ammonium oxidation apparatus was good, and the total nitrogen volumetric loading reaches 1.6～2.4kg/m
3D; Ammonia nitrogen and nitre nitrogen removal efficiency are respectively 92～99% and 95～100%.
Claims (3)
1. the startup method of an anaerobic ammonium oxidation apparatus, it is characterized in that, adopt the biological nitration device under aerobic condition, to cultivate nitrobacteria earlier, obtain the nitrifying granular activated sludge that has nitrification activity and anaerobic ammoxidation activity concurrently, again nitrifying granular activated sludge is dropped into anaerobic ammonium oxidation apparatus as inoculum; The operational condition of biological nitration device is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 5～15 hours; The operational condition of anaerobic ammonium oxidation apparatus is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 8～18 hours, the ratio of ammonia nitrogen concentration and nitrite nitrogen concentration be 1: 1.1～1.5 or the ratio of ammonia nitrogen concentration and nitre nitrogen concentration be 1: 0.8～1.2.
2. the startup method of a kind of anaerobic ammonium oxidation apparatus according to claim 1, it is characterized in that the biological nitration device adopts gas stripping type nitrifying granular activated sludge bed bioreactor, operational condition is: 10～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 3～10 hours.
3. the startup method of a kind of anaerobic ammonium oxidation apparatus according to claim 1, it is characterized in that anaerobic ammonium oxidation apparatus adopts granular mud bed anaerobic ammonia oxidation reactor, operational condition is: 20～35 ℃ of temperature, pH7.0～8.5, hydraulic detention time 6～12 hours, the ratio of ammonia nitrogen concentration and nitrite nitrogen concentration be 1: 1～1.3 or the ratio of ammonia nitrogen concentration and nitre nitrogen concentration be 1: 0.6～10.
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| CN02112100A CN1401594A (en) | 2002-06-13 | 2002-06-13 | Anaerobic sewage biological denitrifying device starting method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292995C (en) * | 2004-04-23 | 2007-01-03 | 中国科学院生态环境研究中心 | Aerobic initiating method of anaerobic ammoxidation reactor |
| CN100351186C (en) * | 2005-10-31 | 2007-11-28 | 南京大学 | Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration |
| CN100381373C (en) * | 2006-03-09 | 2008-04-16 | 南京大学 | Method for cultivating nitrified granular sludge using anaerobic granular sludge |
| CN100381374C (en) * | 2005-01-21 | 2008-04-16 | 浙江大学 | Method for starting anaerobic ammoxidation reactor |
| CN100500831C (en) * | 2003-02-14 | 2009-06-17 | 中国科学院南京土壤研究所 | Denitrifying bacteria composition and its application |
| CN101445293B (en) * | 2004-05-14 | 2010-11-10 | 株式会社日立工业设备技术 | Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment |
| 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 |
| CN1709806B (en) * | 2004-06-18 | 2011-07-06 | 株式会社日立工业设备技术 | Method for operating anaerobic ammonium oxidation vessel and anaerobic ammonium oxidation equipment |
| CN102190371A (en) * | 2010-03-18 | 2011-09-21 | 华东师范大学 | Breeding method for anaerobic ammonium oxidation granular sludge |
| CN102432097A (en) * | 2011-10-31 | 2012-05-02 | 北京桑德环境工程有限公司 | Method for quickly starting anaerobic ammonium oxidation in upflow packed bed reactor |
| CN102583727A (en) * | 2012-01-19 | 2012-07-18 | 江南大学 | Method for quickly starting anaerobic ammonium oxidation reaction |
| 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 |
| CN102976489A (en) * | 2012-12-21 | 2013-03-20 | 重庆大学 | Method for starting anaerobic ammonium oxidation reactor to treat high-salt nitrogenous wastewater |
| CN103121752A (en) * | 2013-01-05 | 2013-05-29 | 北京工业大学 | Method for processing urban sewage nitrifying liquid by sludge fermentation and denitrification coupled with anaerobic ammonia oxidation |
-
2002
- 2002-06-13 CN CN02112100A patent/CN1401594A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100500831C (en) * | 2003-02-14 | 2009-06-17 | 中国科学院南京土壤研究所 | Denitrifying bacteria composition and its application |
| CN1292995C (en) * | 2004-04-23 | 2007-01-03 | 中国科学院生态环境研究中心 | Aerobic initiating method of anaerobic ammoxidation reactor |
| CN101445293B (en) * | 2004-05-14 | 2010-11-10 | 株式会社日立工业设备技术 | Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment |
| CN1709806B (en) * | 2004-06-18 | 2011-07-06 | 株式会社日立工业设备技术 | Method for operating anaerobic ammonium oxidation vessel and anaerobic ammonium oxidation equipment |
| CN100381374C (en) * | 2005-01-21 | 2008-04-16 | 浙江大学 | Method for starting anaerobic ammoxidation reactor |
| CN100351186C (en) * | 2005-10-31 | 2007-11-28 | 南京大学 | Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration |
| CN100381373C (en) * | 2006-03-09 | 2008-04-16 | 南京大学 | Method for cultivating nitrified granular sludge using anaerobic granular sludge |
| 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 |
| CN102190371A (en) * | 2010-03-18 | 2011-09-21 | 华东师范大学 | Breeding method for anaerobic ammonium oxidation granular sludge |
| CN102190371B (en) * | 2010-03-18 | 2013-01-30 | 华东师范大学 | Breeding method for anaerobic ammonium oxidation granular sludge |
| CN102432097A (en) * | 2011-10-31 | 2012-05-02 | 北京桑德环境工程有限公司 | Method for quickly starting anaerobic ammonium oxidation in upflow packed bed reactor |
| CN102432097B (en) * | 2011-10-31 | 2013-11-20 | 北京桑德环境工程有限公司 | Method for quickly starting anaerobic ammonium oxidation in upflow packed bed reactor |
| CN102583727A (en) * | 2012-01-19 | 2012-07-18 | 江南大学 | Method for quickly starting anaerobic ammonium oxidation reaction |
| 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 |
| CN102976489A (en) * | 2012-12-21 | 2013-03-20 | 重庆大学 | Method for starting anaerobic ammonium oxidation reactor to treat high-salt nitrogenous wastewater |
| CN102976489B (en) * | 2012-12-21 | 2013-09-25 | 重庆大学 | Method for starting anaerobic ammonium oxidation reactor to treat high-salt nitrogenous wastewater |
| CN103121752A (en) * | 2013-01-05 | 2013-05-29 | 北京工业大学 | Method for processing urban sewage nitrifying liquid by sludge fermentation and denitrification coupled with anaerobic ammonia oxidation |
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