CN103588293A - Control method of anaerobic ammoxidation reaction - Google Patents
Control method of anaerobic ammoxidation reaction Download PDFInfo
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- CN103588293A CN103588293A CN201310510800.3A CN201310510800A CN103588293A CN 103588293 A CN103588293 A CN 103588293A CN 201310510800 A CN201310510800 A CN 201310510800A CN 103588293 A CN103588293 A CN 103588293A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 102000010637 Aquaporins Human genes 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241001453382 Nitrosomonadales Species 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y02W10/12—
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
一种厌氧氨氧化反应的控制方法，涉及污水生物处理技术领域，以升流式厌氧污泥床为反应载体，通过控制反应器中物料的温度、无机碳源浓度和pH值，达到厌氧氨氧化处理效果；其中控制反应器中反应物料的温度为30～40℃；采用的无机碳源为NaHCO3，反应物料中NaHCO3的浓度控制范围为0.75～0.1g/L；反应器中反应物料的pH值的范围在7～7.5之间。本系统的特点是系统由温度控制系统、无机碳源浓度自控控制系统及pH值自动控制系统三个部分组成；系统能将厌氧氨氧化反应器中的温度、pH值等信息实时显示，有利于运行管理的有效控制；系统能根据运行工况自动控制厌氧氨氧化反应器中的温度、无机碳源浓度和pH值，实现厌氧氨氧化反应的稳定运行。
A method for controlling anaerobic ammonium oxidation reaction, which relates to the technical field of sewage biological treatment, uses an upflow anaerobic sludge bed as a reaction carrier, and controls the temperature, inorganic carbon source concentration and pH value of materials in the reactor to achieve anaerobic Oxyammoxidation treatment effect; wherein the temperature of the reaction material in the control reactor is 30-40°C; the inorganic carbon source used is NaHCO 3 , and the concentration control range of NaHCO 3 in the reaction material is 0.75-0.1g/L; The pH value of the reaction material is in the range of 7-7.5. The characteristic of this system is that the system is composed of three parts: temperature control system, inorganic carbon source concentration automatic control system and pH value automatic control system; the system can display the temperature, pH value and other information in the anammox reactor in real time, with It is beneficial to the effective control of operation management; the system can automatically control the temperature, inorganic carbon source concentration and pH value in the anammox reactor according to the operating conditions, so as to realize the stable operation of the anammox reaction.
Description
Technical field
The present invention relates to dirty water living creature processing technique field, be specifically related to a kind of control method of Anammox reaction.
Background technology
In recent years along with scientific and technical fast development, improving constantly of living standards of the people, environmental pollution is day by day serious, obtained gradually attention in various degree, the particularly aggravation of nitrate pollution, not only living standards of the people are exerted a certain influence, more expanding economy is also had to certain restriction.Trade effluent and sanitary sewage etc. mostly contain a large amount of organonitrogens and inorganic nitrogen, some trade effluents particularly, if coal pressure gasification waste water, nitrogenous fertilizer waste water, coking chemical waste water, piggery wastewater etc. are without processing thoroughly or not can be found everywhere through processing the phenomenon of directly discharge, environment is caused to serious harm.According to China's environmental quality communique report recent years, water surrounding has been subject to unprecedented pollution, total nitrogen exceeds standard becomes the major reason that causes deteriorating water quality, and ammonia-state nitrogen has become one of principal pollutant matter of China's municipal lake, each Big Lakes and China's seven large water systems etc.
Because the organic content of current China municipal sewage plant's influent quality is generally lower, carbon source is not enough, cannot guarantee good denitrification denitrogenation efficiency.Nineteen ninety, it is anaerobic ammonia oxidation process that a kind of novel denitrification process is developed in the Dutch Delft Kluyver of technology university Biotechnology Experiment chamber; Anammox reaction is the reaction of whole process autotrophic type, therefore compare with traditional denitrification process, Anammox has outstanding advantages and has: 1, zmount of oxygen consumption is few, because Anammox reaction only need be converted into nitrite by ammonia, and without being converted into nitrate, Anammox reaction oxygen-consumption is only for the 35%(of conventional denitrification reaction does not consider that cell synthesizes oxygen consumed amount), so can greatly reduce the supply of oxygen; 2,, because the anaerobic ammonia oxidizing bacteria doubling time is longer, Anammox reaction sludge output is less, thereby has greatly saved sludge treatment disposal costs; 3, can reduce secondary pollution, because Anammox reaction directly utilizes ammonia as electron donor, and without additional organism, can save reagent cost, also can avoid the secondary pollution causing due to additional organism simultaneously.But Anammox does not also have practical engineering application at present at home, the bottleneck of application is that anaerobic ammonium oxidation process is very complicated, and influence factor is extremely extensive, and operational management skill requires high; Improving Anammox control method is in actual applications current urgent problem.
Summary of the invention
The problems referred to above that exist in actual applications for existing Anammox, the invention provides a kind of control method of Anammox reaction, by to the temperature of Anammox, inorganic carbon source concentration and pH value Comprehensive Control, to the operation of Anammox stable reaction, improve the ammonia transformation efficiency in sewage disposal.
The control method of a kind of Anammox reaction of the present invention is:
The upflow anaerobic sludge blanket process (UASB) of take is reaction carriers, by controlling temperature, inorganic carbon source concentration and the pH value of material in reactor, reaches Anammox treatment effect; The temperature of wherein controlling reaction mass in reactor is 30 ~ 40 ℃; The inorganic carbon source adopting is NaHCO
3, NaHCO in reaction mass
3concentration span of control be 0.75 ~ 0.1g/L; In reactor, the scope of the pH value of reaction mass is between 7 ~ 7.5.
In aforesaid method, the hydronic device of water-bath comprises recirculated water bath, thermometer, programming temperature controller, well heater and water circulating pump, by thermometer, surveyed the temperature of circulation heating agent, input to programming temperature controller, with predefined temperature comparison, temperature controller regulates heating medium for heating temperature by heater, heating agent enters recirculated water bath by recycle pump, recirculated water bath is enclosed within outside reactor, by thermometer, to heat medium temperature Real-Time Monitoring, realizes temperature automatically controlled.
In aforesaid method, the device that inorganic carbon source concentration is controlled comprises NaHCO
3solution hold tank, NaHCO
3solution measures pump and inorganic carbon source on-line monitoring instrument, the inorganic carbon source NaHCO of material in inorganic carbon source on-line monitoring instrument monitoring reactor
3concentration, with the NaHCO arranging
3, output signal is controlled NaHCO to concentration ratio
3solution measures pump opens and closes, and changes and enters the inorganic carbon source concentration in reactor.
In aforesaid method, the device that pH value is controlled comprises pH meter, online pH instrument, NaOH solution hold tank and NaOH solution measures pump, pH in pH meter monitoring reactor, result reaches pH auto-controller, compare with the pH value setting in advance, output signal is controlled NaOH solution measures pump and is opened and closed, and regulates the NaOH concentration that enters material in reactor.
The feature of native system is that system is comprised of temperature controlling system, inorganic carbon source concentration automatic control Controlling System and three parts of pH value automatic control system; System can show the information such as the temperature in anaerobic ammonia oxidation reactor, pH value in real time, be conducive to effective control of operational management; System can be controlled the temperature in anaerobic ammonia oxidation reactor, inorganic carbon source concentration and pH value automatically according to operation condition, realizes the steady running of Anammox reaction.
Accompanying drawing explanation
Fig. 1 is activated sludge process Anammox reactive system structural representation of the present invention;
Fig. 2 is water-bath circulating system structure schematic diagram of the present invention;
Fig. 3 is inorganic carbon source concentration of the present invention, pH value control system structural representation;
In figure, 1, former tank, 2, circulating water channel, 3, triphase separator, 4, water circulating pump, 5, former water volume pump, 6, sludge circulation pump, 7, water bath, 8, main reaction region, 9, reactor mud mouth, 10, water-in, 11, water outlet, 12, water seal arrangement, 13, programming temperature controller, 14, thermometer, 15, well heater, 16, NaHCO
3solution hold tank, 17, NaHCO
3solution measures pump, 18, inorganic carbon source on-line monitoring instrument, 19, pH meter, 20, online pH instrument, 21, NaOH solution hold tank, 22, NaOH solution measures pump;
Fig. 4 is the time m-clearance graphic representation after the method in the embodiment of the present invention is implemented, and wherein ■ is ammonia-state nitrogen, ● be nitrite nitrogen.
Embodiment
The NaHCO adopting in the embodiment of the present invention
3the concentration of solution is 10g/L.
The concentration of the NaOH solution adopting in the embodiment of the present invention is 1mol/L.
The programming temperature controller adopting in the embodiment of the present invention is FCD-13A-R/M programmable thermostat.
The inorganic carbon source on-line monitoring instrument adopting in the embodiment of the present invention is TOC conductivity sensor.
The online pH instrument adopting in the embodiment of the present invention is the online numerical analysis controller of HANNA Hana.
Embodiment of the present invention Central Plains water ammonia nitrogen concentration is 150mg/L, and former water volume pump flow is 0.8L/h, recycle ratio 300%.
Embodiment 1
Anammox reactive system as shown in Figure 1,2 and 3, comprises reactor, sludge circulation pump, circulating water channel, water circulating pump, former water volume pump and former tank;
Adopt Wastewater Treated by Activated Sludge Process mud, water is passed in the mud of reactor, carry out Anammox reaction in reactor, after the reaction of discharging in reactor, sludge circulation enters reactor, and the cleaning water after processing and gas are discharged through triphase separator; Control the temperature of material in reactor, the control of inorganic carbon source concentration and pH value; The temperature of wherein controlling reaction mass in reactor is 30 ~ 40 ℃; The inorganic carbon source adopting is NaHCO
3, NaHCO in reaction mass
3concentration span of control be 0.75 ~ 0.1g/L; In reactor, the scope of the pH value of reaction mass is between 7 ~ 7.5;
The hydronic device of water-bath comprises recirculated water bath, thermometer, programming temperature controller, well heater and water circulating pump, by thermometer, surveyed the temperature of circulation heating agent, input to programming temperature controller, with predefined temperature comparison, temperature controller regulates heating medium for heating temperature by heater, and heating agent enters recirculated water bath by recycle pump, and recirculated water bath is enclosed within outside reactor, by thermometer, to heat medium temperature Real-Time Monitoring, realize temperature automatically controlled;
The device that inorganic carbon source concentration is controlled comprises NaHCO
3solution hold tank, NaHCO
3solution measures pump and inorganic carbon source on-line monitoring instrument, the inorganic carbon source NaHCO of material in inorganic carbon source on-line monitoring instrument monitoring reactor
3concentration, with the NaHCO arranging
3, output signal is controlled NaHCO to concentration ratio
3solution measures pump opens and closes, and changes and enters the inorganic carbon source concentration in reactor;
The device that pH value is controlled comprises pH meter, online pH instrument, NaOH solution hold tank and NaOH solution measures pump, pH in pH meter monitoring reactor, result reaches pH auto-controller, compare with the pH value setting in advance, output signal is controlled NaOH solution measures pump and is opened and closed, and regulates the NaOH concentration that enters material in reactor;
After said apparatus and method are processed, time m-clearance graphic representation as shown in Figure 4.
Claims (4)
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| CN103588293B CN103588293B (en) | 2015-05-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174448A (en) * | 2015-10-13 | 2015-12-23 | 沈阳建筑大学 | Anaerobic ammonia oxidation and denitrification coupling device and controlled operation method thereof |
| CN106277462A (en) * | 2016-09-09 | 2017-01-04 | 沈阳建筑大学 | A kind of milk product waste crystallizing-dephosphorizing control method |
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|---|---|---|---|---|
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| CN101050026A (en) * | 2007-04-17 | 2007-10-10 | 北京市环境保护科学研究院 | Deepness denitrogenation method for treating organic wastewater in high concentration |
| CN201024125Y (en) * | 2007-02-07 | 2008-02-20 | 北京市环境保护科学研究院 | Nitrosation-anammox coupled symbiotic biological denitrification reaction device |
| CN101830558A (en) * | 2010-05-06 | 2010-09-15 | 杭州师范大学 | Method for cultivating anaerobic ammonium oxidation granular sludge |
| CN102344197A (en) * | 2011-10-18 | 2012-02-08 | 浙江大学 | Method for rapidly starting anaerobic ammonium oxidation reactor |
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-
2013
- 2013-10-27 CN CN201310510800.3A patent/CN103588293B/en not_active Expired - Fee Related
Patent Citations (6)
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| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
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| CN102344197A (en) * | 2011-10-18 | 2012-02-08 | 浙江大学 | Method for rapidly starting anaerobic ammonium oxidation reactor |
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Non-Patent Citations (2)
| Title |
|---|
| 唐崇俭 等: "Anammox反应器运行稳定性及其机理研究", 《四川大学学报（工程科学版）》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174448A (en) * | 2015-10-13 | 2015-12-23 | 沈阳建筑大学 | Anaerobic ammonia oxidation and denitrification coupling device and controlled operation method thereof |
| CN106277462A (en) * | 2016-09-09 | 2017-01-04 | 沈阳建筑大学 | A kind of milk product waste crystallizing-dephosphorizing control method |
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