天津市工业污染源污染状况分析

为了掌握天津市工业污染源污染状况,对2010年天津市各区县工业污染源进行调查统计。结果表明,2010年天津市各区县工业废水入河量共计6556.79万t,COD入河量共计9656.67t,氨氮入河量共计1939.87t。大沽排污河中污染物COD和氨氮的排入量最大,分别为5783.56t和1274.87t。滨海新区COD等标污染负荷值和氨氮等标污染负荷比均最高,分别为50.49%和56.34%;东丽区、西青区、蓟县、宁河县的COD和氨氮等标污染负荷比也较高。因此在进行水环境管理时,应对这些区县作为核心管理对象。

Analysic on Pollution of Industrial Pollution Sources in Tianjin

To have an overall understanding of the pollution of the industrial pollution sources in Tianjin,an inves-tigation has been conducted in counties of Tianjin in 2010.The results showed that,the quantity of industrial pollu-tants poured into river of Tianjin in 2010 reached more than 65 million tons,of which COD totaled 9656.67 tons, and a total of 1939.87 tons of ammonia into rivers.Dagu Sewage River suffered the most with the largest amount of COD and total nitrogen reaching 5783.56 tons and 1274.87 tons respectively.The equivalent standard pollution load of COD and total nitrogen of Binhai New Area were quite high with a ratio of 50.49% and 56.34% respective-ly.The equivalent standard pollution load of COD and total nitrogen of Dongli District,Xiqing District,Jixian County and Ninghe Country were also subject to large amount of pollutants.The water environment management needs to be the key aspect of the environmental management.