尼日利亚伊巴丹垃圾填埋场渗滤液污染潜力评估

S. Adesogan, Baldwin O. Omonigho
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引用次数: 2

摘要

环境污染导致健康状况不佳,过去几十年来一直是人类令人担忧的经历。本研究旨在确定撒哈拉以南非洲地区垃圾填埋场渗滤液(LFL)的污染潜力,并以伊巴丹为例进行研究。对市区的堆填区进行调查;本研究考虑了两个主要的活跃的无衬里垃圾填埋场(Ajakanga和Awotan)。在抽样过程中,对18个感兴趣的参数进行了分析。计算了各填埋场渗滤液污染指数。awawtan填埋场的LPI为17.55,Ajakanga填埋场的LPI为15.67。由于污染指数超过7.378的标准值,建议按照国际最佳做法关闭市区的所有堆填区,并兴建新的卫生堆填区。根据所获得的亚lpi值,生物处理将是产生LFL的最可行的处理方案。本研究结果适用于非洲次区域内其他国家的垃圾填埋场管理;从而为实现可持续发展目标做出贡献。关键词:渗滤液污染指数,垃圾填埋场,可持续发展目标,伊巴丹,尼日利亚,评价
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Assessment of leachate contamination potential of landfills in Ibadan, Nigeria
Environmental pollution leads to poor health and has been a worrisome experience to humanity for the past few decades. This research was conducted to determine the pollution potential of landfill leachates (LFL) in Sub-Saharan Africa, using Ibadan as case study. Survey of landfills in the metropolis was undertaken; the two major active unlined landfills (Ajakanga and Awotan), were considered for this study. During sampling, eighteen parameters of interest were analyzed. The leachate pollution indices (LPI) of each landfill were calculated. The LPI of Awotan landfill is 17.55 while that of Ajakanga is 15.67. With the exceedances of the 7.378 standard LPI value, all landfills in the metropolis is recommended to be closed down in line with international best practices and new sanitary landfills set up in their stead. Based on the sub-LPI values obtained, biological treatment would be the most viable treatment option for the LFL produced. The findings from this study are applicable in landfill management in other countries within the African sub-region; thereby contributing to the attainment of Sustainable Development Goals (SDGs).   Key words: Leachate pollution index, landfill, sustainable development goals, Ibadan, Nigeria, assessment.
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