复合式厌氧折流板反应器处理垃圾渗滤液
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摘要
采用复合式厌氧折流板反应器对垃圾渗滤液的处理工艺进行研究,主要考察了温度、水力停留时间(HRT)、进水氨氮质量浓度对反应器处理效率的单因素影响.结果表明,当温度由30℃降到10℃时,化学需氧量(COD)去除率下降了49. 11%;随着HRT的缩短,系统容积负荷逐渐提高,COD去除率呈下降趋势;当进水氨氮质量浓度逐渐升高,反应器对COD的去除能力大幅度下降.利用响应曲面法得出最优参数:当温度为34. 97℃,HRT为46. 54 h时,COD去除率最高,达到88. 57%.
The disposal process of landfill leachate using hybrid anaerobic baffled reactor( HABR)was investigated to study the effect of temperature,HRT( hydraulic retention time) and ammonia concentration of inflow-water on reactor efficiency. The results showed that the chemical oxygen demand( COD) removal rate decreases by 49. 11% when the temperature dropped from 30 ℃ to10 ℃. With the shortening of HRT,the volume load increases gradually and the removal rate of COD shows a downward trend. When the influent concentration of ammonia nitrogen gradually increases,the removal capacity of COD in the reactor greatly decreases. Using the response surface method to get the optimal parameters showed that the removal rate of COD reaches the highest when the temperature is 34. 97 ℃ and the HRT is 46. 54 h,the removal rate peaks at 88. 57%.
The disposal process of landfill leachate using hybrid anaerobic baffled reactor( HABR)was investigated to study the effect of temperature,HRT( hydraulic retention time) and ammonia concentration of inflow-water on reactor efficiency. The results showed that the chemical oxygen demand( COD) removal rate decreases by 49. 11% when the temperature dropped from 30 ℃ to10 ℃. With the shortening of HRT,the volume load increases gradually and the removal rate of COD shows a downward trend. When the influent concentration of ammonia nitrogen gradually increases,the removal capacity of COD in the reactor greatly decreases. Using the response surface method to get the optimal parameters showed that the removal rate of COD reaches the highest when the temperature is 34. 97 ℃ and the HRT is 46. 54 h,the removal rate peaks at 88. 57%.
引文
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[15]方程冉,吴征宇,龙於洋.等. UASB反应器处理垃圾渗滤液的启动研究[J].浙江科技学院学报,2007,19(2):125-128.(Fang Cheng-ran,Wu Zheng-yu,Long Yu-yang,et al. Startup method of UASB for landfill leachate treatment[J].Journal of Zhejiang University of Science and Technology,2007,19(2):125-128.)
[16]袁志宇,杨珍珠,代华军.常温下强化UASB处理垃圾渗滤液的试验研究[J].武汉理工大学学报,2008,30(2):97-100.(Yuan Zhi-yu,Yang Zhen-zhu,Dai Hua-jun. Experimental research on UASB technology treating the leachate of landfill under normal temperature condition[J]. Journal of Wuhan University of Technology,2008,30(2):97-100.)
[17]邓一荣,肖荣波,李义纯.等. ABR/MBR/纳滤工艺处理城市垃圾渗滤液[J].中国给水排水,2014,30(2):58-61.(Deng Yi-rong,Xiao Rong-bo,Li Yi-chun,et al. ABR/M BR/NF process for treatment of urban landfill leachate[J].China Water&Wastewater,2014,30(2):58-61.)
[18]曹占平,张景丽. UBF处理垃圾渗滤液的中试研究[J].天津工业大学学报,2006,25(2):44-47.(Cao Zhan-ping,Zhang Jing-li. Pilot experiment study of landfill leachate using UBF process[J]. Journal of Tianjin Polytechnic University,2006,25(2):44-47.)
[2] Kumar S,Chiemchaisri C,Mudhoo A. Bioreactor landfill technology in municipal solid w aste treatment:an overview[J]. Critical Reviews in Biotechnology,2011,31(1):77-97.
[3] Liu R R,Tian Q,Yang B,et al. Hybrid anaerobic baffled reactor for treatment of desizing w astew ater[J]. International Journal of Environmental Science&Technology,2010,7(1):111-118.
[4] Reynaud N,Buckley C A. The anaerobic baffled reactor(ABR)treating communal wastewater under mesophilic conditions:a review[J]. Water Science&Technology,2016,73(3):463-478.
[5] Yuan C,Wang Y,Zhu T,et al. Multistage biological contact oxidation for landfill leachate treatment:optimization and bacteria community analysis[J]. International Biodeterioration&Biodegradation,2017,125:200-207.
[6] Boopathy R. Biological treatment of swine waste using anaerobic baffled reactors[J]. Bioresource Technology,1998,64(1):1-6.
[7] Boopathy R,Tilche A. Anaerobic digestion of high strength molasses w astew ater using hybrid anaerobic baffled reactor[J]. Water Research,1991,25(7):785-790.
[8] Lin Y,Yin J,Wang J,et al. Performance and microbial community in hybrid anaerobic baffled reactor-constructed w etland for nitrobenzene w astew ater[J]. Bioresource Technology,2012,118(4):128-135.
[9] Yin Z,Xie L,Cui X,et al. Effective carbon and nitrogen removal w ith reduced sulfur oxidation in an anaerobic baffled reactor for fresh leachate treatment[J]. Journal of Bioscience&Bioengineering,2017,123(1):84-90.
[10] Phukingngam D,Chavalparit O,Somchai D,et al. Anaerobic baffled reactor treatment of biodiesel-processing w astew ater w ith high strength of methanol and glycerol:reactor performance and biogas production[J]. Chemical Papers,2011,65(5):644-651.
[11] Jensen D L E,Ledin A,Christensen T H. Speciation of heavy metals in landfill-leachate polluted groundw ater[J]. Water Research,1999,33(11):2642-2650.
[12] Montgomery D C. Design and analysis of experiments[M].New York:Wiley,1997:156-177.
[13] Huang P,Xie M Y,Nie S P,et a1. Study on microwaveassisted extraction of polysaccharides from spores of ganoderma atrum w ith response surface analysis[J]. Food Science,2007,28(10):200-203.
[14]魏桃员,陈玉婷,何培弘.等. SBR工艺处理早期垃圾渗滤液的试验研究[J].环境科学与技术,2016,39(4):107-113.(Wei Tao-yuan,Chen Yu-ting,He Pei-hong,et al.Experimental treatment of initial landfill leachate by SBR system[J]. Environmental Science&Technology,2016,39(4):107-113.)
[15]方程冉,吴征宇,龙於洋.等. UASB反应器处理垃圾渗滤液的启动研究[J].浙江科技学院学报,2007,19(2):125-128.(Fang Cheng-ran,Wu Zheng-yu,Long Yu-yang,et al. Startup method of UASB for landfill leachate treatment[J].Journal of Zhejiang University of Science and Technology,2007,19(2):125-128.)
[16]袁志宇,杨珍珠,代华军.常温下强化UASB处理垃圾渗滤液的试验研究[J].武汉理工大学学报,2008,30(2):97-100.(Yuan Zhi-yu,Yang Zhen-zhu,Dai Hua-jun. Experimental research on UASB technology treating the leachate of landfill under normal temperature condition[J]. Journal of Wuhan University of Technology,2008,30(2):97-100.)
[17]邓一荣,肖荣波,李义纯.等. ABR/MBR/纳滤工艺处理城市垃圾渗滤液[J].中国给水排水,2014,30(2):58-61.(Deng Yi-rong,Xiao Rong-bo,Li Yi-chun,et al. ABR/M BR/NF process for treatment of urban landfill leachate[J].China Water&Wastewater,2014,30(2):58-61.)
[18]曹占平,张景丽. UBF处理垃圾渗滤液的中试研究[J].天津工业大学学报,2006,25(2):44-47.(Cao Zhan-ping,Zhang Jing-li. Pilot experiment study of landfill leachate using UBF process[J]. Journal of Tianjin Polytechnic University,2006,25(2):44-47.)