XIONG Jian ying.Application of MBBR + Magnetic Coagulation Process for Upgrading of Wastewater Treatment Plant[J].China Water & Wastewater,2018,34(20):50-55.
MBBR+磁混凝工艺用于污水处理厂提标改造
- Title:
- Application of MBBR + Magnetic Coagulation Process for Upgrading of Wastewater Treatment Plant
- 文章编号:
- 1000-4602(2018)20-0050-06
- Keywords:
- upgrading; moving bed biofilm reactor; magnetic coagulation
- 分类号:
- TU992.3
- 文献标志码:
- C
- 摘要:
- 盐城城东污水处理厂原设计采用AAO工艺,出水水质执行《城镇污水处理厂污染物排放标准》(GB 18918—2002)中的一级B标准,提标改造工程要求出水水质执行一级A标准。通过生物处理系统的仿真模拟分析,把3座AAO生物反应池改造为MBBR池,以实现充分硝化、反硝化;采用磁混凝澄清池去除TP及SS;对全厂散发臭气的构筑物采用玻璃钢加盖,除臭采用土壤法。工程总投资约7 000万元,单位经营成本增加0.22元/m3。工程投运后取得了较好的处理效果,MBBR+磁混凝工艺辅以土壤除臭技术对我国污水厂提标改造工程具有较好的借鉴意义。
- Abstract:
- The AAO process was adopted in Yancheng Chengdong wastewater treatment plant in original design plan, and the effluent water quality was required to meet the first level B standard in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant(GB 18918-2002). In order to meet the first level A standard, the upgrading and renovation project was conducted. In this project, three AAO bioreaction tanks were transformed into MBBR tanks to achieve high efficiencies of nitrification and denitrification according to the simulation and analysis of biological treatment system. Meanwhile, TP and SS were removed by magnetic coagulation clarifier. The smelly structures of the whole plant were covered with fiberglass, and the “soil method” was adopted for deodorization. The total investment of the project was about 70 million yuan and the operating cost increased by 0.22 yuan/m3. In conclusion, an excellent treatment performance has been achieved after operation, and the MBBR+ magnetic coagulation process combined with soil deodorization, would be a good technology for the upgrading and renovation project of wastewater treatment plant in China.
参考文献/References:
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备注/Memo
作者简介:熊建英(1970-),女,江西南昌人,硕士,高级工程师,第五设计研究院副总工程师,主要从事城镇污水处理、再生水回用、工业废水处理、垃圾渗滤液处理、餐厨垃圾处理工程设计及研究工作。
E-mail:xiongjianying@smedi.com
收稿日期:2018-04-11