基于MBBR工艺的污水处理厂生物脱氮除磷特征
|
摘要
以长治市某污水处理厂生物处理单元为研究对象,对比了改造前工艺(氧化沟)和改造后工艺(MBBR)的生物脱氮除磷效果,并剖析了新工艺脱氮除磷的生物增效特征。结果表明,改造后总排放口出水中TN、氨氮、TP的月均值分别为12. 0～14. 3、0. 28～1. 33和0. 150～0. 243mg/L,TN浓度满足一级A标准,氨氮和TP浓度满足地表水准Ⅳ类水质标准,且可以实现污水处理的全过程控制。与氧化沟工艺相比,MBBR工艺生物增效特征显著,出水中TN、氨氮、TP的年均值分别为13. 3、0. 61和0. 215 mg/L,分别降低了5. 20、2. 57和0. 518 mg/L。污水处理厂各工艺单元中生物处理单元对去除TN、氨氮和TP的贡献率分别为92. 8%、100%和85. 1%,深度处理单元中混凝沉淀作用对去除TP的贡献比对TN的大。
The effects of biological nitrogen and phosphorus removal of oxidation ditch process (old process) and MBBR process (new process) in a wastewater treatment plant in Changzhi were compared,and the enhanced biological characteristics of the new process were analyzed. The results indicated that the monthly average values of effluent TN,ammonia nitrogen and TP of the ending discharge port were 12. 0-14. 3 mg/L,0. 28-1. 33 mg/L and 0. 150-0. 243 mg/L respectively.Among them,the effluent TN met the first level A criteria of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002),and the ammonia nitrogen and TP met the level Ⅳ criteria of Environmental Quality Standards for Surface Water (GB 3838-2002). And the whole process control of the wastewater treatment was realized. Compared with the oxidation ditch process,the MBBR process showed significant biological synergistic characteristics. The annual average values of effluent TN,ammonia nitrogen and TP of the MBBR were 13. 3 mg/L,0. 61 mg/L and 0. 215 mg/L,which decreased by 5. 20 mg/L,2. 57 mg/L and 0. 518 mg/L respectively. In the wastewater treatment plant,92. 8% of TN,100% of ammonia nitrogen and 85. 1% of TP were removed by the biological treatment unit respectively,and coagulation precipitation in the advanced treatment procedure contributed more TP removal rate than that of TN.
The effects of biological nitrogen and phosphorus removal of oxidation ditch process (old process) and MBBR process (new process) in a wastewater treatment plant in Changzhi were compared,and the enhanced biological characteristics of the new process were analyzed. The results indicated that the monthly average values of effluent TN,ammonia nitrogen and TP of the ending discharge port were 12. 0-14. 3 mg/L,0. 28-1. 33 mg/L and 0. 150-0. 243 mg/L respectively.Among them,the effluent TN met the first level A criteria of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002),and the ammonia nitrogen and TP met the level Ⅳ criteria of Environmental Quality Standards for Surface Water (GB 3838-2002). And the whole process control of the wastewater treatment was realized. Compared with the oxidation ditch process,the MBBR process showed significant biological synergistic characteristics. The annual average values of effluent TN,ammonia nitrogen and TP of the MBBR were 13. 3 mg/L,0. 61 mg/L and 0. 215 mg/L,which decreased by 5. 20 mg/L,2. 57 mg/L and 0. 518 mg/L respectively. In the wastewater treatment plant,92. 8% of TN,100% of ammonia nitrogen and 85. 1% of TP were removed by the biological treatment unit respectively,and coagulation precipitation in the advanced treatment procedure contributed more TP removal rate than that of TN.
引文
[1]宋连朋，魏连雨，赵乐军．我国城镇污水处理厂建设运行现状及存在问题分析[J]．给水排水，2013,39(3):39-44.Song Lianpeng,Wei Lianyu,Zhao Lejun.Analysis of construction and operation status and existing problems of municipal wastewater treatment plants in China[J].Water&Wastewater Engineering,2013,39(3):39-44(in Chinese)．
[2]杨文焕，唐若凯，肖作义，等．多级MBBR与A2O工艺处理低C/N生活污水对比分析[J]．环境科学与技术，2017,40(9):131-135.Yang Wenhuan,Tang Ruokai,Xiao Zuoyi,et al.Comparative analysis of multi-level MBBR process and A2O process treating low C/N ratio domestic sewage[J].Environmental Science&Technology,2017,40(9):131-135(in Chinese)．
[3]杨祝平，郭淑琴．改良AAO及污泥深度脱水工艺用于城镇污水厂迁建提标[J]．中国给水排水，2019,35(2):61-66.Yang Zhuping,Guo Shuqin.Application of improved AAO and sludge deep dewatering process in the relocation and upgrading of WWTP[J].China Water&Wastewater,2019,35(2):61-66(in Chinese)．
[4]王翥田，叶亮，张新彦，等．MBBR工艺用于无锡芦村污水处理厂的升级改造[J]．中国给水排水，2010,26(2):71-73.Wang Zhutian,Ye Liang,Zhang Xinyan,et al.Application of MBBR process to upgrading and reconstruction of WWTP[J].China Water&Wastewater,2010,26(2):71-73(in Chinese)．
[5]Regmi P,Holgate B,Miller M W,et al.Nitrogen polishing in a fully anoxic anammox MBBR treating mainstream nitritation-denitritation effluent[J].Biotechnol Bioeng,2016,113(3):635-642．
[6]Yuan Q,Wang Q,Hang Q Y,et al.Comparison of the MBBR denitrification carriers for advanced nitrogen removal of wastewater treatment plant effluent[J].Environ Sci Pollut Res,2015,22(18):13970-13979．
[7]Zinatizadeh A A L,Ghaytooli E.Simultaneous nitrogen and carbon removal from wastewater at different operating conditions in a moving bed biofilm reactor(MBBR):Process modeling and optimization[J].Journal of the Taiwan Institute of Chemical Engineers,2015,53:98-111．
[8]Hoang V,Delatolla R,Abujamel T,et al.Nitrifying moving bed biofilm reactor(MBBR)biofilm and biomass response to long term exposure to 1℃[J].Water Res,2013,49:215-224．
[9]杨岚，彭永臻，李健伟，等．缺氧MBBR耦合部分厌氧氨氧化强化城市生活污水深度脱氮[J]．环境科学，2019.DOI:10.13227/j.hjkx.201901015.Yang Lan,Peng Yongzhen,Li Jianwei,et al.Advanced denitrification from municipal wastewater achieved via partial ANAMMOX in anoxic MBBR[J].Environmental Science,2019.DOI:10.13227/j.hjkx.201901015(in Chinese)．
[10]吴迪，周家中，郑志佳，等．MBBR用于山西某污水厂提标改造效果分析[J]．中国给水排水，2018,34(15):6-11.Wu Di,Zhou Jiazhong,Zheng Zhijia,et al.Application of MBBR process to upgrading and reconstruction of WWTP in Shanxi Province[J].China Water&Wastewater,2018,34(15):6-11(in Chinese)．
[11]Laureni M,Falas P,Robin O,et al.Mainstream partial nitritation and anammox:long-term process stability and effluent quality at low temperatures[J].Water Res,2016,101:628-639．
[12]杨小梅，邓猛，王羽华，等．硝化液回流比对A2/O-MBBR工艺反硝化除磷效果的影响[J]．环境工程，2015,33(8):13-16,41.Yang Xiaomei,Deng Meng,Wang Yuhua,et al.Effect of nitrification liquid reflux ratio on denitrification phosphorus removal in an A2O-MBBR process[J].Environmental Engineering,2015,33(8):13-16,41(in Chinese)．
[13]张淼，袁庆，黄棚兰，等．不同电子受体浓度对反硝化除磷的影响及动力学特性[J]．环境工程学报，2018,12(3):830-838.Zhang Miao,Yuan Qing,Huang Penglan,et al.Effect of different electron acceptor concentrations on denitrifying phosphorus removal and dynamic characteristic[J].Chinese Journal of Environmental Engineering,2018,12(3):830-838(in Chinese)．
[14]吴迪．MBBR在国内的工程应用与发展前景[J]．中国给水排水，2018,34(16):22-31.Wudi.Application and development prospect of MBBRin China[J].China Water&Wastewater,2018,34(16):22-31(in Chinese)．
[15]Wasche S,Horn H,Hempel D C.Influence of growth conditions on biofilm development and mass transfer at the bulk/biofilm interface[J].Water Res,2002,36(19):4775-4784.
[2]杨文焕，唐若凯，肖作义，等．多级MBBR与A2O工艺处理低C/N生活污水对比分析[J]．环境科学与技术，2017,40(9):131-135.Yang Wenhuan,Tang Ruokai,Xiao Zuoyi,et al.Comparative analysis of multi-level MBBR process and A2O process treating low C/N ratio domestic sewage[J].Environmental Science&Technology,2017,40(9):131-135(in Chinese)．
[3]杨祝平，郭淑琴．改良AAO及污泥深度脱水工艺用于城镇污水厂迁建提标[J]．中国给水排水，2019,35(2):61-66.Yang Zhuping,Guo Shuqin.Application of improved AAO and sludge deep dewatering process in the relocation and upgrading of WWTP[J].China Water&Wastewater,2019,35(2):61-66(in Chinese)．
[4]王翥田，叶亮，张新彦，等．MBBR工艺用于无锡芦村污水处理厂的升级改造[J]．中国给水排水，2010,26(2):71-73.Wang Zhutian,Ye Liang,Zhang Xinyan,et al.Application of MBBR process to upgrading and reconstruction of WWTP[J].China Water&Wastewater,2010,26(2):71-73(in Chinese)．
[5]Regmi P,Holgate B,Miller M W,et al.Nitrogen polishing in a fully anoxic anammox MBBR treating mainstream nitritation-denitritation effluent[J].Biotechnol Bioeng,2016,113(3):635-642．
[6]Yuan Q,Wang Q,Hang Q Y,et al.Comparison of the MBBR denitrification carriers for advanced nitrogen removal of wastewater treatment plant effluent[J].Environ Sci Pollut Res,2015,22(18):13970-13979．
[7]Zinatizadeh A A L,Ghaytooli E.Simultaneous nitrogen and carbon removal from wastewater at different operating conditions in a moving bed biofilm reactor(MBBR):Process modeling and optimization[J].Journal of the Taiwan Institute of Chemical Engineers,2015,53:98-111．
[8]Hoang V,Delatolla R,Abujamel T,et al.Nitrifying moving bed biofilm reactor(MBBR)biofilm and biomass response to long term exposure to 1℃[J].Water Res,2013,49:215-224．
[9]杨岚，彭永臻，李健伟，等．缺氧MBBR耦合部分厌氧氨氧化强化城市生活污水深度脱氮[J]．环境科学，2019.DOI:10.13227/j.hjkx.201901015.Yang Lan,Peng Yongzhen,Li Jianwei,et al.Advanced denitrification from municipal wastewater achieved via partial ANAMMOX in anoxic MBBR[J].Environmental Science,2019.DOI:10.13227/j.hjkx.201901015(in Chinese)．
[10]吴迪，周家中，郑志佳，等．MBBR用于山西某污水厂提标改造效果分析[J]．中国给水排水，2018,34(15):6-11.Wu Di,Zhou Jiazhong,Zheng Zhijia,et al.Application of MBBR process to upgrading and reconstruction of WWTP in Shanxi Province[J].China Water&Wastewater,2018,34(15):6-11(in Chinese)．
[11]Laureni M,Falas P,Robin O,et al.Mainstream partial nitritation and anammox:long-term process stability and effluent quality at low temperatures[J].Water Res,2016,101:628-639．
[12]杨小梅，邓猛，王羽华，等．硝化液回流比对A2/O-MBBR工艺反硝化除磷效果的影响[J]．环境工程，2015,33(8):13-16,41.Yang Xiaomei,Deng Meng,Wang Yuhua,et al.Effect of nitrification liquid reflux ratio on denitrification phosphorus removal in an A2O-MBBR process[J].Environmental Engineering,2015,33(8):13-16,41(in Chinese)．
[13]张淼，袁庆，黄棚兰，等．不同电子受体浓度对反硝化除磷的影响及动力学特性[J]．环境工程学报，2018,12(3):830-838.Zhang Miao,Yuan Qing,Huang Penglan,et al.Effect of different electron acceptor concentrations on denitrifying phosphorus removal and dynamic characteristic[J].Chinese Journal of Environmental Engineering,2018,12(3):830-838(in Chinese)．
[14]吴迪．MBBR在国内的工程应用与发展前景[J]．中国给水排水，2018,34(16):22-31.Wudi.Application and development prospect of MBBRin China[J].China Water&Wastewater,2018,34(16):22-31(in Chinese)．
[15]Wasche S,Horn H,Hempel D C.Influence of growth conditions on biofilm development and mass transfer at the bulk/biofilm interface[J].Water Res,2002,36(19):4775-4784.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |