过氧化物
环境修复
钙
环境化学
化学
过氧化氢
氧气
地表水
污染
环境工程
化学需氧量
磷
环境科学
废水
生态学
有机化学
生物
摘要
In order to know the feasibility of adding chemical agent for polluted city river remediation,the effect of some chemical agents under different concentrations and adding methods were investigated.The experimental results showed that dissolved oxygen concentration in water increased and total phosphorus concentration in water decreased by adding calcium peroxide.Dissolved oxygen concentration in the surface of polluted river decreased rapidly after 1 day upon injection.Because the cost of calcium peroxide was relatively high and the flow of river will lead a rapid loss of dissolved oxygen by adding calcium peroxide,the method of adding calcium peroxide is estimated to be suited for the remediation of closed and stagnant polluted water bodies.
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