节点文献
保定市郊农田污灌用水质量评价
The Investigation and Assessment on the Quality of Sewage Used for Irrigation in Baoding Suburb
【摘要】 以保定市环境监测站2003年监测数据为背景值,比照农田灌溉水质标准的相关指标,并采用综合指数法和内梅罗水质指数法,对保定市引污干渠所排污水的污染物含量及污染程度进行了分析评价。结果表明:保定市引污干渠所排污水的CODCr、Cd、Zn和挥发酚的实际含量,均超过国家农田灌溉水质标准所限定的旱作和蔬菜作物最高含量。其中,污水的CODCr实测值高达599mg/L,分别是农田灌溉水质标准所限定的旱作作物灌溉水最高含量(300mg/L)和蔬菜作物灌溉水最高含量(150mg/L)的1.997倍和3.994倍。保定市引污干渠所排污水属中度污染水质,不适宜直接作为农田灌溉用水。
【Abstract】 The waste water irrigation and the corresponding soil pollution problems are narrated.According to the sewage-irrigated water criterion,the data about heavy mental contents in waste water channel getting from Baoding monitoring department are analyzed,surface water combined pollution index(K)method and nemerow water quality index method are applied to assess the waster water quality that used for irrigation in Baoding suburb.The calculation results indicate that the sewage used for irrigation is in the middle pollution level,nemerow water quality index approaches serious pollution level,and we must care that Zn pollution is relatively serious.
【Key words】 Baoding suburb; Suburbs; Field; Sewage irrigation; Water quality analysis;
- 【文献出处】 河北农业科学 ,Journal of Hebei Agricultural Sciences , 编辑部邮箱 ,2007年01期
- 【分类号】S273.5
- 【被引频次】3
- 【下载频次】133