煤矸石堆场对周围水环境中的污染分析研究  

Research on Water Environmental Pollution by Nearby Gangue Storage Yards

作　　者：彭立[1] 杜勇立[1] 黄满红[2] 张燕青[2] 

机构地区：[1]湖南省交通规划勘察设计院,湖南长沙410008 [2]东华大学环境科学与工程学院,上海201620

出　　处：《环境科学与管理》2014年第10期34-36,55,共4页Environmental Science and Management

基　　金：湖南省交通厅科研项目(200908;201105);交通运输部科技项目(2010353343290)

摘　　要：通过浸泡试验、淋溶试验,对涟源市东北部某堆场内煤矸石污染特性进行研究,并在此基础上,结合周边河流和地下水水质,对该煤矸石堆场水体污染进行分析。研究结果表明:煤矸石特征污染物主要是SO2-4、NO-3和Ca;浸泡试验中,随固液比从1∶5变化到1∶20,浸泡出的污染物浓度逐渐降低,固液比为1∶5时,浸泡液中硫酸盐浓度高达344.41 mg/L;淋溶试验中,离子浓度与淋出液累计体积间符合幂指数规律;下游河流和井水的污染特性与煤矸石的淋溶特性具有一致性,表明已经受到煤矸石堆场的影响。The polluting characteristic of gangue in Lianyuan city was studied by soaking experiment and leaching experi- ment. Based on the quality of surrounding surface - water and underground - water, this paper also researched the water environ- mental pollution by gangue storage yard. The results indicated that the typical pollutants of gangue were SO24- , NO3- and Ca. In soaking experiment, the pollutant concentrations in solid - liquid rate 1 ： 5 were 3.58 times averagely of that in I ： 20. In leaching experiment, there was power exponent relationship between iron concentration and accumulated leaching liquid volume. The polluting characteristic of downstream river and well was similar to that of gangue, but the pollution was slight.

关 键 词：煤矸石 水体污染 浸泡 淋溶 

分 类 号：X52[环境科学与工程—环境工程]