摘要： 以垃圾焚烧厂渗滤液为处理对象，采用两级上流式厌氧污泥床（UASB），研究两级UASB反应器的启动、废水处理效果及反应器内VFA、pH和钙镁含量的变化。结果表明：反应器经过110 d的启动运行，进水COD达到54 274~56 840 mg/L，一级反应器容积负荷为12.7~13.3 kgCOD/（m3·d），二级反应器容积负荷为2.0~4.5 kgCOD/（m3·d），COD整体去除率为91.8%~95.0%；两级UASB反应器内存在厌氧氨氧化和反硝化的协同作用，对氨氮的去除率为25%左右；进水中钙镁离子主要沉积在一级反应器内的颗粒污泥中，二级反应器内相对较少。
关键词:
垃圾渗滤液,
UASB,
反应器的启动,
厌氧氨氧化
Abstract: Using the landfill leachate of a garbage incinerator plant as the treatment target,the start-up,wastewater treatment effect and,changes of VFA,pH,calcium and magnesium contents in the two-stage upflow anaerobic sludge blanket(UASB) reactors have been investigated. The results show that after the reactor has been operated for 110 d, the influent COD concentration reaches 54 274-56 840 mg/L,the volume load of the first reactor is 12.7-13.3 kgCOD/(m3·d);and the volume load of the second reactor is 2.0-4.5 kgCOD/(m3·d),the removing rate of the whole COD is 91.8%-95.0%. When synergetic action of anaerobic ammonia oxidation and denitrification exists in the two stages of UASB reactors,the removing rate of NH3-N is about 25%. The influent calcium and magnesium ions mainly deposit on the granular sludge of the first reactor;while that of the second reactor is comparably less.
Key words:
landfill leachate,
UASB,
start-up of reactor,
anaerobic ammonia oxidation
中图分类号:
王晓艳, 买文宁, 郜白璐. 两级UASB反应器处理垃圾渗滤液的试验研究[J]. 工业水处理, 2018, 38(9): 72-75.
Wang Xiaoyan, Mai Wenning, Gao bailu. Experimental research on the treatment of landfill leachate by the two-stage UASB reactors[J]. INDUSTRIAL WATER TREATMENT, 2018, 38(9): 72-75.