Application Progress of Nanofiltration Combination Technology in the Treatment of Landfill Leachate

Under the impetus of environmental protection policies,the discharge requirements for leachate are becoming more and more stringent.Therefore,the treatment technology of landfill leachate has become a hot research topic at present.In this paper,the chemical composition and water quality characteristics of landfill leachate were briefly introduced,and the characteristics and performance of nanofiltration technology were summarized at first.Afterwards,the recent advances in the application of nanofiltration combination technology in the treatment of landfill leachate at home and abroad were summarized,and the research and application of the combination of membrane separation,chemical coagulation,chemical oxidation and adsorption methods with nanofiltration membrane in the treatment of landfill leachate were mainly introduced.Finally,it is proposed that the combination of nanofiltration technology is feasible and economical,and its reasonable selection and optimization are the directions of future research and have good application prospects.

纳滤组合技术在垃圾渗滤液处理中的应用进展

垃圾渗滤液的处理技术成为目前研究的热点。简要介绍了垃圾渗滤液的化学成分和水质特点,对纳滤技术的特点和性能进行了概述,综述了近年来国内外纳滤组合技术用于处理垃圾渗滤液的研究进展,重点介绍了膜分离、化学混凝、化学氧化和吸附法与纳滤膜的组合技术在垃圾渗滤液处理上的研究和应用情况。最后提出了纳滤组合工艺技术可行、经济适用,其合理选择和优化是今后研究的方向,具有很好的应用前景。

垃圾渗滤液处理技术

垃圾渗滤液是一种高浓度有机废水,介绍了垃圾渗滤液来源以及特点,垃圾渗滤液处理的相关技术,给出了两类较为常见的垃圾渗滤液处理组合工艺。

垃圾渗滤液处理站除臭工艺技术实践与探讨

对杭州市环境集团有限公司垃圾渗滤液处理系统,两个不同除臭废气收集处理系统的工程实践进行介绍和对比分析,改进除臭系统工艺技术组合,优化收集除臭风量和处理系统技术参数,调整生物菌种驯化和培养方法,提高系统处理效果、满足新环保排放标准,最终改善大气环境。对现有垃圾渗滤液处理站除臭系统改造及进一步提高除臭效果,提供了除臭工艺技术组合及技术参数选择的探讨和建议。

膜组合技术在垃圾渗滤液处理中的应用

简要介绍了目前垃圾填埋场渗滤液的处理工艺,讨论了几种典型膜分离技术的分离机理和优缺点,评价了膜组合技术在垃圾渗滤液处理的可行性,并结合国内外的工程实例对其进行分析。最后,阐述了膜组合技术处理垃圾填埋场渗滤液的研究进展和应用前景。