摘要
从焦作市某水厂源水中Cr6+质量浓度持续上升的实际问题出发,通过搜集、整理和分析焦作市岩溶水及地质构造、实验室研究等方法来查明该水厂源水中Cr6+的污染来源、污染途径及污染机理.结果表明,位于焦作北部山区的某粉煤灰堆放场中的粉煤灰长期处于碱性和氧化环境,有利于Cr3+转化为Cr6+,灰水和大气降水对粉煤灰不断地淋滤和浸溶,使Cr6+随水渗入地下,造成地下水污染.研究证明,该粉煤灰堆放场对焦作市某水厂饮用水水源构成了潜在的威胁.
Based on the actual problem of Cr^6＋ content rising in the water plant raw water in Jiaozuo, and through collecting, packing up and analyzing the karstic water, geologic structure on spot, and laboratory testing, the origin, pathway and mechanism of Cr^6＋ is obtained. The results indicate, fly ash lies in the alkaline and the oxidizing environment for a long time, which is advantageous to the transformation of Cr^6＋ to Cr^6＋ is obtained. The leaching and soaked function of rainfall and flush lead to fly ash is unceasingly, Cr^6＋ along with leaching water permeated to underground causes the groundwater contamination. Thus, the present research proves that the power plant ash disposal area has a latent threat to the source of drinking water in Jiao- zuo.
出处
《河南理工大学学报（自然科学版）》
CAS
2007年第6期664-669,共6页
Journal of Henan Polytechnic University（Natural Science）
基金
河南省科技局科技攻关项目(24440054)
作者简介
尹国勋（1953-），男，河南卢氏人，教授，主要从事环境地质、环境影响评价、环境保护方面的教学与科研工作．
