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C/N比对好氧颗粒污泥性能的影响

Keywords: SBR,颗粒污泥,C/N比,物理性能,除污效能

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Abstract:

在SBR内接种活性污泥,研究了进水C/N比对好氧颗粒污泥的影响。结果表明,在高C/N比的条件下污泥不易快速颗粒化,沉降性能差,低C/N比有利于反应器内微生物的积累,MLSS最高可达8740mg/L,然而过低的C/N比将导致颗粒粒径增加,结构疏松以致解体,丝状微生物过度繁殖,不利于系统的稳定。对有机物的去除受进水C/N比的影响不明显,颗粒初步形成后对COD的去除率基本维持在87%左右;在C/N比为6.67~2.86之间时,除磷效果较好,平均去除率稳定在80%以上,而C/N比过高或过低,污泥颗粒化程度差,体系内缺乏除磷所需的微观环境,不利于磷的去除;进水C/N比对NH4+-N的去除效果影响明显,C/N比为10时,好氧颗粒污泥具有良好的脱氮效果,NH4+-N的平均去除率达90.59%,但低C/N比能抑制硝化菌和反硝化菌的活性,当进水C/N比由5降低至2时,反应器对NH4+-N的去除率由65.23%下降到38.77%。

References

[1]  José Ramón Vázquez-Padín, Anuska Mosquera-Corral, José Luis Camposa, et al. Modelling aerobic granular SBR at variable COD/N ratios including accurate description of total solids concentration. Biochemical Engineering Journal, 2010, 49(2): 173-184
[2]  Sunil S. Adav, Duu-Jong Lee, Juin-Yih Lai. Functional consortium from aerobic granules under high organic loading rates. Bioresource Technology, 2009, 100(14): 3465-3470
[3]  Yong-Qiang Liu, Benjamin Moy, Yun-Hua Kong. Formation, physical characteristics and microbial community structure of aerobic granules in a pilot-scale sequencing batch reactor for real wastewater treatment. Enzyme and Microbial Technology, 2010, 46(6): 520-525
[4]  Jianrong Zhu, Peter A. Wilderer. Effect of extended idle conditions on structure and activity of granular activated sludge. Water Research, 2003, 37(9): 2013-2018
[5]  周群英,高廷耀. 环境工程微生物学.北京: 高等教育出版社,2000. 87-108
[6]  王兰,张清敏,胡国臣. 现代环境微生物学. 北京: 化学工业出版社,2006. 42-56
[7]  黄渊博,张德跃,牛春功. 基质匮乏对好氧污泥颗粒化的影响研究. 中国给水排水, 2010, 26(15): 92-98 Huang Yuanbo, Zhang Deyue, Niu Chungong. Influence of substrate famine on granulation of aerobic sludge. China Water & Wastewater, 2010, 26(15): 92-98 (in Chinese)
[8]  Bui Xuan Thanh, Chettiyappan Visvanathan, Roger Ben Aim. Characterization of aerobic granular sludge at various organic loading rates. Process Biochemistry, 2009, 44 (2): 242-245
[9]  张蓉蓉,任洪强,魏翔. 好氧颗粒污泥处理高浓度氨氮废水的研究. 环境污染与防治, 2006, 28(10): 788-791 Zhang Rongrong, Ren Hongqiang, Wei Xiang. Treatment of w astew ater with a high NH4+-N concentration by aerobic granular sludge. Environmental Pollution & Control, 2006, 28(10): 788-791 (in Chinese)
[10]  国家环境保护总局.水和废水监测分析方法(第4版). 北京: 中国环境科学出版社,2002. 96-220
[11]  高廷耀, 顾国维. 水污染控制工程(第2版). 北京: 高等教育出版社, 1995. 251-257
[12]  王建龙,张子健,吴伟伟.好氧颗粒污泥的研究进展.环境科学学报,2009,29(3):449-473 Wang Jianlong,Zhang Zijian,Wu Weiwei. Research advances in aerobic granular sludge. Acta Scientiae Circumstantiae,2009,29(3):449-473(in Chinese)
[13]  He S., Gu A. Z., MacMahon A. D. Progress toward understanding the distribution of accumulibacter among full-scale enhanced biological phosphorus removal systems. Microbial Ecology, 2008,55(2):229-236
[14]  周雪飞, 张亚雷, 胡茂冬. 活性污泥法脱氮除磷工艺的优化设计. 化工学报, 2009, 60(12): 3122-3129 Zhou Xuefei, Zhang Yalei, Hu Maodong. Optimization design for nutrients removal process with activated sludge 2D model. CIESC Journal, 2009, 60(12): 3122-3129 (in Chinese)
[15]  李军,杨秀山,彭永縥.微生物与水处理工程. 北京: 化学工业出版社,2002. 35-78
[16]  A. Mosquera-Corral, M.K. de Kreuk, Heijnen J.J. Effects of oxygen concentration on N-removal in an aerobic granular sludge reactor. Water Research, 2005, 39, (12): 2676-2686
[17]  L.W. Hulshoff Pol, S.I. de Castro Lopes, G. Lettinga. Anaerobic sludge granulation. Water Research, 2004, 38(6):1376-1389
[18]  张兰英,刘娜. 现代环境微生物技术(第2版). 北京: 清华大学出版社,2007. 162-177
[19]  赵霞, 赵阳丽, 姜峰, 等. 好氧颗粒污泥的特性及研究进展. 应用化工, 2010, 39(4):580-589 Zhao Xiao,Zhao Yangli,Jiang Feng, et al. Research progress and characteristics of aerobic granular sludge. Applied Chemical Industry, 2010, 39(4):580-589 (in Chinese)

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