河流断面水质受到多种因素的影响,当前区域水环境整治方案的制定常常只是笼统地从工业、农业、生活污染控制方面提出一些措施,实际工作中缺乏有针对性的水质提升方案.以常州市扁担河桥断面为研究对象,在污染构成测算和削减目标计算的基础上,制定系统的、切实可行的水质提升方案,并对方案的可达性进行对比分析.通过测算2012年扁担河桥断面需要削减氨氮为59.45t/a,通过水质提升方案的实施,形成削减能力氨氮64.2t/a.%Water quality of river cross sections is affected by a number of factors. At present, water environment regulation is too general from aspects of industry, agriculture and living pollution source, and lack of coping systematic improvement plan. In this study, Biandanhe River bridge section in Changzhou was chosen as a typical example, and practical and systematic improvement plan of water quality was analyzed based on estimating of pollution structure and calculation of cut target. Finally, accessibility of the improvement plan was contrasted and presented in this paper. 59.45t/a ammonia nitrogen should be reduced in Biandanhe River bridge section in 2012, and water quality improvement could be feasible with cut ability of ammonia nitrogen 64.2 t/a through implementation of improvement plan.
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