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由于大量生活污水未经处理排入南宁市南湖（下简称南湖），南湖富营养化状况已非常严重，各种水体功能均受到严重影响，治理南湖已刻不容缓。本文对南湖现状进行分析，确定南湖环境容量，在借鉴国内外城市湖泊治理的先进经验与技术的基础上，结合南湖具体情况提出南湖富营养化防治对策，经过经济技术优化，制定因地制宜而又切实有效的综合整治方案。
As a large amount of domestic sewage is discharged into South Lake of Nanning City (hereinafter referred to as Nanhu) for untreated sewage, the eutrophication status of Nanhu Lake has been very serious, and the functions of various water bodies have been severely affected. Therefore, it is imperative to treat Nanhu Lake. This paper analyzes the current situation of South Lake and determines the environmental capacity of South Lake. Based on the advanced experience and technology of urban lake treatment both at home and abroad, this paper puts forward the countermeasures for the eutrophication prevention and treatment of South Lake based on the specific conditions of South Lake. Through economic and technological optimization, Effective comprehensive treatment program.