College of Water Science, Beijing Normal University, Beijing 100875, China.
State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China.
Int J Environ Res Public Health. 2020 Jan 31;17(3):899. doi: 10.3390/ijerph17030899.
A typical informal landfill in a rainy area of southern China was taken as an example in this study. The comprehensive control ideas and processes of the informal landfill site were systematically reviewed. The basic situation for the early stage of the government survey and investigation was provided, including a waste stock survey, water volume measurement, and a waste source survey. The main contents and key factors of a comprehensive investigation of the environmental quality status were briefly summarized. The water quality in the landfill, groundwater quality inside and outside of the site, and heavy metals in the bottom sediment were all determined. A low-cost practical landfill technology was explored to reduce the Chemical Oxygen Demand COD concentration of polyaluminum ferric chloride (PAFC), and NH-N was removed by calcium hypochlorite. Soil backfill was replaced, such that the informal landfill site was immobilized, which was perfectly suitable for this southern rainy area. This study proposes rules for a comprehensive improvement scheme for a landfill, and provides a reliable theoretical basis and practical experience for the treatment of similar informal landfills.
以中国南方某一典型的雨季简易垃圾填埋场为例，系统地回顾了简易垃圾填埋场的综合整治思路和过程。提供了政府早期调查的基本情况，包括垃圾存量调查、水量测量和污染源调查。简要总结了环境质量现状综合调查的主要内容和关键因素。对垃圾场的水质、场地内外的地下水质量以及底泥中的重金属进行了测定。探索了一种低成本实用的垃圾填埋场技术，以降低聚合氯化铝铁（PAFC）中的化学需氧量（COD）浓度，并用次氯酸钙去除 NH-N。并用土壤回填代替，使简易垃圾填埋场得到了固定，非常适合南方多雨地区。本研究提出了垃圾填埋场综合整治方案的规则，为类似简易垃圾填埋场的处理提供了可靠的理论依据和实践经验。
