Selective Inhibition on Nitrification by Chemicals
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摘要: 针对硝化反应中2类细菌对环境的敏感程度不同,可由此使硝化反应第2步受到抑制,产生亚硝酸盐的积聚,即短程硝化反应;将引起亚硝酸盐积聚的原因分为2种,相应地将化学物质对生物硝化反应的抑制作用分为2类,将这些可产生选择性抑制作用的化学物质进一步分为无机氮化合物、毒性物质和杀菌类物质.综合分析已有的研究结果,着重讨论了消毒剂作为选择性抑制剂的可行性.从安全性、投加剂量及投加频次等角度分析,认为消毒剂作为选择性抑制剂有很好的应用前景.Abstract: In traditional biological nitrogen removal process, nitrification can be divided into two steps, which are performed by two separated bacteria. The sensibilities of the two bacteria to the environment are different. The second step of nitrification is easy to be inhibited, which result in accumulation of nitrite defined as shortcut nitrification. In this paper, two reasons of the nitrite accumulation was classified, correspondingly the chemicals to inhibit the nitrification process can be defined as two kinds. The chemicals which can lead to the inhibitions was sorted in three categories:inorganic nitrogen compounds, toxic materials and disinfectants. After analyzing the current research results, the feasibility of the disinfectants application was focused on. Conclusion was made based on the analysis of safety, dose and dose frequency that is feasible to use disinfectants as selective inhibitors for the shortcut nitrification.
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Keywords:
- nitrite /
- shortcut nitrification/denitrification /
- chemicals /
- disinfectants /
- selective inhibition
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[1] 张自杰.排水工程下册[M].第4版.北京:中国建筑工业出版社,2000. 308-311. ZHANG Zi-jie.Drainage Engineer Volume Ⅱ[M].4th ed.Beijing:China Architecture Industry Publishing Company,2000. 308-311. (in Chinese) [2] 袁林江,彭党聪,王志盈.短程硝化-反硝化生物脱氮[J].中国给水排水,2000,16(2):29-31,YUAN Lin-jiang,PENG Dang-cong,WANG Zhi-ying.Shortcut nitrification-denitrification biological nitrogen removal[J].Chins Water & Wastewater,2000,16(2):29-31. (in Chinese) [3] 冯叶成,王建成,钱易.生物脱氮新工艺研究进展[J].微生物学通报,2001,28(4):88-91. FENG Ye-cheng,WANG Jian-cheng,QIAN Yi.New research review of biological nitrogen removal[J].Microbiology,2001,28(4):88-91. (in Chinese) [4] ANTHONISEN A C.Inhibition of nitrification by ammonia and nitrous acid[J].J W P C F,1976,48(5):835-852.
[5] TRUK O,MAVINIC D S.Preliminary assessment of a shorcut in nitrogen removal from wastewater[J].Can J Civ Eng,1986,13:600-605.
[6] TURK O,MAVINIC D S.Selective inhibition:A novel concept for removing nitrogen from highly nitrogenous wasters[J].Environ Technol Lett,1987,8:419-426.
[7] ABELING U,SEYFRIED C F.Anaerobic-aerobic treatment of high-strength ammonia wastewater nitrogen removal via nitrite[J].War Sci Tech,1992,26(5-6):1007-1015.
[8] MAURET M,PAUL E,PUECH-COSTES E,et al.Application of experimental research methodology to the study of nitrificatio in mixed culture[J].War Sci Tech,1996,34(1-2):245-252.
[9] WONC-CHONG G M,LOEHR R C.Kinetics of microbial nitrification:Nitrite-nitrogen oxidation[J].War Res,1978,12:605-609.
[10] FORD D L,CHURCHWEL R L,KACHTICK J W.Comprehensive analysis of nitrification of chemical processing wastewaters[J].J War Pollut Control Fed,1980,52:2726-2746.
[11] YANG L,ALLEMAN J E.Investigation of batchwise nitrite build-up by an enriched nitrification culture[J].Wat Sci Tech,1992,26(5-6):997-1005.
[12] CAMILLA Grunditz,LENA Guamelius,GUNNEL Dalhammar.Comparison of inhibition assays using nitrogen removing bacteria:Application to industrial wastewater[J],Wat Res,1998,32(10):2995-3000.
[13] NEUFELD R,GREENFIELD J,RIEDER,B.Temperature,cyanide and phenolic nitrification inhibition[J].Wat Res,1986,20(5):633-642.
[14] LEES H.QUASTEL J H.Bacteriostatic effects of postassium chlorate on soil nitrification[J].Nature,1945,155;276-278.
[15] LEES H.SIMPSON J R.The biochemistry of the nitrifying organisms 5 nitrite oxidation by nitrobacter[J].Biochem J,1957,65;297-305.
[16] BELBER L W,MAYS E L.Specific inhibition of nitrite oxidation by chlorate and its use in assessing nirification in soils and sediments[J].Appl Environ Microbiol,1980,39:505-510.
[17] HYNES R K,KNOWLES R.Inhibition of chemoautotrophic nitrification by sodium chlorate and sodium chlorite:A reexamination[J].Appl Envir Microbiol,1983,45:1178-1182.
[18] JOOSTE S,Van LEEUWEN J.Induction of nitrite build-up in water by some common disinfectants[J].Water SA.1993,19(2) 107-112.
[19] COTTEUX E,DUCHENE P.Nitrification preservation in activated sludge during curative bulking chlorination[J].Wat Sci Tech,2003,47 (11):85-92.
[20] ISBN 924154460-1984,World Health Organization[S].
[21] 左经云,王乃益,章琪,等.生活饮用水总余氯卫生标准的研究[J].安徽预防医学杂志,1996,2(3):1-3. ZUO Jing-yun,WANG Nai-yi,ZFIANG Qi,et al.Research of the sanitary standard of the chlorine in drinking water[J].Anhui Journal of Prevent Medicine,1996,2(3):1-3. (in Chinese)
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