郑州市水污染物排放现状及分析研究

摘要

With the progress of social economy, water pollution problems have become increasingly prominent and water re-source pinched has become more serious.It will not only prevent the economic, social and environmental sustainable development in Zhengzhou city, but also to be a threat to people's health.By researching water pollutants in recent years in Zhengzhou to un-derstand the status of pollutants and analyzes its reason of the Zhengzhou city in recent years, the results showed that the total sew-age has been increasing.This is concerned with increase in population and agricultural water demand.The amount of COD and NH3 -N which are main water pollutants discharged has been reducing , but it increases all of a sudden , which may be due to the change of government's environmental policy and some industries illegal discharge.In this paper, it puts forward effective sugges-tions to reduce the amount of water pollutants.%随着经济的进步,水污染问题日益凸显,水资源短缺越来越严重,这不仅制约了城市的经济、社会、环境的可持续发展,更是对人体健康造成了威胁,为了解郑州市近年来污染物排放状况及对其原因进行分析,本文对近几年污染物排放量进行调查,结果表明污水排放总量逐渐上升,这与人口增加、工农业需水量增加有关;主要限排物质COD、氨氮的排放量总体呈下降趋势,但个别年份出现突增现象,这可能与政府的环保政策改变及个别工业偷排有关,对此本研究提出相适应的建议.