工业废水冲击对城镇污水处理系统影响的实验研究
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摘要
为考察工业废水冲击对城镇污水处理厂正常稳定运行的影响,在模拟城镇污水处理系统中实施实际工业废水冲击,分析冲击中系统运行性能变化,并采用共代谢效应和生物刺激效应对冲击后系统进行运行恢复。冲击结果表明,工业废水冲击会造成污水处理系统的运行性能下降,特别是氨氮去除性能明显降低;同时,工业废水冲击的影响通常是暂时且可逆的,即使长时间冲击后亦可通过运行调控加以恢复。不同类型工业废水冲击的影响差异明显,高浓度印染废水和低可生化性化工生化出水冲击对运行性能的影响较大,而工业园区综合废水可生化性较高,冲击影响较小。运行恢复结果表明,投加复合营养液,利用共代谢效应和生物刺激效应可以应对不同类型的工业废水冲击,且具有快速、有效的运行恢复效果。
The real industrial wastewater shocks are carried out in a model municipal wastewater treatment system to investigate the influence of industrial wastewater shock on the performance of the municipal wastewater treatment plant.The performance variation is analyzed during industrial wastewater shock.The cometabolism effect and biostimulation effect are applied to recover the system after industrial wastewater shock.The results indicate that the industrial wastewater shock could deteriorate the operating performance of the system,especially the ammonia removal performance.However,the negative influence of industrial wastewater shock is non-durable and reversible,even after a long-term shock.The impacts caused by different types of industrial wastewater shock are quite different.The industrial wastewater with high concentration and low biodegradability could cause stronger shocking effect,such as textile wastewater and effluent of chemical wastewater after biological treatment.The impact of industrial park synthetic wastewater is weaker due to its relatively high biodegradability.The results of operation recovery indicates that the application of cometabolism effect and biostimulation effect by adding composite nutrient solution could respond to different types of industrial wastewater shock,and it is proved to be efficient for fast operation recovery.
The real industrial wastewater shocks are carried out in a model municipal wastewater treatment system to investigate the influence of industrial wastewater shock on the performance of the municipal wastewater treatment plant.The performance variation is analyzed during industrial wastewater shock.The cometabolism effect and biostimulation effect are applied to recover the system after industrial wastewater shock.The results indicate that the industrial wastewater shock could deteriorate the operating performance of the system,especially the ammonia removal performance.However,the negative influence of industrial wastewater shock is non-durable and reversible,even after a long-term shock.The impacts caused by different types of industrial wastewater shock are quite different.The industrial wastewater with high concentration and low biodegradability could cause stronger shocking effect,such as textile wastewater and effluent of chemical wastewater after biological treatment.The impact of industrial park synthetic wastewater is weaker due to its relatively high biodegradability.The results of operation recovery indicates that the application of cometabolism effect and biostimulation effect by adding composite nutrient solution could respond to different types of industrial wastewater shock,and it is proved to be efficient for fast operation recovery.
引文
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[16]周律,彭标.微量元素对工业废水好氧生物处理的促进[J].清华大学学报(自然科学版),2015,55(6):653-659.ZHOU Lyu,PENG Biao.Effect of promotion of trace elements for improving the aerobic biological treatment of industrial wastewater[J].Journal of Tsinghua University(Science and Technology Edition),2015,55(6):653-659.
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[2]肖海文,程宗旺,翟俊,等.重庆城北污水厂抗工业废水冲击的联动调控效果[J].中国给水排水,2013,29(11):22-29.XIAO Haiwen,CHENG Zongwang,ZHAI Jun,et al.Control of industrial wastewater shock loading at Chengbei wastewater treatment plant[J].China Water and Wastewater,2013,29(11):22-29.
[3]程宗旺,肖海文,李玉胜.碱性工业废水对污水处理厂氧化沟工艺的影响分析[J].给水排水,2014,40(9):140-144.CHENG Zongwang,XIAO Haiwen,LI Yusheng.Analysis on the influence of alkaline industrial wastewater on the process of oxidation ditch in sewage treatment plant[J].Water and Wastewater Engineering,2014,40(9):140-144.
[4]李鑫,孙志民,赵铭珊,等.CASS工艺微生物抵抗含Cu2+、Ni 2+锻造添加剂废水毒性的效果[J].生态环境学报,2009,18(6):2098-2101.LI Xin,SUN Zhimin,ZHAO Mingshan,et al.Antitoxic effect of microorganisms on Cu2+and Ni 2+in CASS process for forging additives wastewater treatment[J].Ecology and Environmental Sciences,2009,18(6):2098-2101.
[5]王文超,杨立中,谭周亮.重金属对废水生物硝化过程影响研究进展[J].环境科学与技术,2013,36(12):157-161.WANG Wenchao,YANG Lizhong,TAN Zhouliang.Progress research on effects of heavy metal on wastewater bio-nitrification[J].Environmental Science and Technology,2013,36(12):157-161.
[6]BEG S A,HASSAN M M,CHAUDHRY M A S.Chromium(Ⅵ)inhibition in multi-substrate carbon oxidation and nitrification process in an upflow packed bed biofilm reactor[J].Biochemical Engineering Journal,1998,1(2):143-152.
[7]RADNIECKI T S,SEMPRINI L,DOLAN M E.Expression of merA,amoA and hao in continuously cultured nitrosomonas europaea cells exposed to zinc chloride additions[J].Biotechnology and Bioengineering,2008,102(2):546-553.
[8]郑秋辉,胡晓东.废水生物处理中有毒物质毒性阀值影响因素分析[J].环境科学与管理,2009,34(10):104-107.ZHENG Qiuhui,HU Xiaodong.Analysis the influencing factors of toxic substances toxicity threshold on biological wastewater treatment[J].Environmental Science and Management,2009,34(10):104-107.
[9]吴蔓莉.两株优势菌对多环芳烃的降解机理[D].西安:西安建筑科技大学,2010.WU Manli.Study of Biodegradation Mechanism of Polycyclic Aromatic Hydrocarbons Using Two Dominant Bacteria[D].Xi’an:Xi’an University of Architecture and Technology,2010.
[10]陈燕飞.pH对微生物的影响[J].太原师范学院学报(自然科学版),2009,8(3):121-124.CHEN Yanfei.pH to uygur biology influence[J].Journal of Taiyuan Normal University(Natural Science Edition),2009,8(3):121-124.
[11]边蔚,王路光,李洪波.高盐度有机废水处理技术研究进展[J].河北工业科技,2009,26(3):195-199.BIAN Wei,WANG Luguang,LI Hongbo.Review of high salinity organic wastewater treatment[J].Hebei Journal of Industrial Science and Technology,2009,26(3):195-199.
[12]李萍,刘俊新.废水中难降解性有机污染物的共代谢降解[J].环境污染治理技术与设备,2002,3(11):43-46.LI Ping,LIU Junxin.Cometabolic biodegradation of refractory organics in wastewater[J].Techniques and Equipment for Environmental Pollution Control,2002,3(11):43-46.
[13]李成都,李道棠.共代谢工艺处理难降解性有机物的研究进展[J].净水技术,2005,24(3):55-58.LI Chengdu,LI Daotang.Progress of the co-metabolic process in the disposal of refractory organics[J].Water Purification Technology,2005,24(3):55-58.
[14]HENDIRIKSEN H V,AHRING B K.Anaerobic dechlorination of pentachlorophenol in fixed-film and upflow anaerobic sludge blanket reactors using different inocula[J].Biodegradation,1993,3(4):339.
[15]梁威,胡洪营,王慧,等.微量营养物质对毛纺废水生物处理效果的影响[J].给水排水,2005,31(11):53-56.LIANG Wei,HU Hongying,WANG Hui,et al.Effects of micronutrients on purification effects of textile wastewater[J].Waste and Wastewater Engineering,2005,31(11):53-56.
[16]周律,彭标.微量元素对工业废水好氧生物处理的促进[J].清华大学学报(自然科学版),2015,55(6):653-659.ZHOU Lyu,PENG Biao.Effect of promotion of trace elements for improving the aerobic biological treatment of industrial wastewater[J].Journal of Tsinghua University(Science and Technology Edition),2015,55(6):653-659.
[17]马记元.微量元素在废水处理中的促进作用[J].山西化工,2013,33(2):67-70.MA Jiyuan.Promotion of trace elements in wastewater treatment[J].Shanxi Chemical Industry,2013,33(2):67-70.