石家庄市地表水环境质量及综合防治对策研究

在剖析石家庄市地表水环境污染现状的基础上，采用W污染分级法对地表各水域断面进行污染程度分级，并运用污染负荷比对其地表各水域的各种污染物的贡献率进行了综合评价分析。结果表明，地表多数水域水质污染相当严重，石油类，挥发酚，硫化物，总磷和三氮类为其主要污染物，最后提出了综合防治对策。

ENVIRONMENTAL QUALITY OF SURFACE WATER AND ITS COUNTERMEASURES IN SHIJIAZHUANG CITY

Based on analyzing the current situation of the pollution to surface water environment in Shijiazhuang,Hebei province and by using the method of W pollution gradation, the pollution gradation of different monitored sections of the water in Shijiazhuang city is carried out.The results are obtained and presented in Table 1.The contribution ratio and the pollution degree of various pollutants in five surface water areas are evaluated comprehensively through the comprehensive method of classification of pollution turndown ratio (Table 2).The results show that most of the surface water areas have been polluted seriously, and the main pollutants include oil, volatilization phenylic acid, sulfide, total phosphorus, NO 2 - N,NO 3 - N and NH 4 + N etc. Finally, five detailed considerations of the countermeasures of comprehensive prevention are brought forward.