古莲河露天煤矿排土场土壤重金属生物活性分析和污染评价  

Biological Activity Analysis and Pollution Evaluation of Heavy Metals in Spoilbank of Gulian Open-pit Coal Mine

作　　者：谷金锋 聂丽君 王梦亭 蔡体久[2] GU Jinfeng;NIE Lijun;WANG Mengting;CAI Tijiu(College of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China);College of Forestry, Northeast Forestry University, Harbin 150040, China)

机构地区：[1]广东石油化工学院环境科学与工程学院,广东茂名525000 [2]东北林业大学林学院,黑龙江哈尔滨150040

出　　处：《广东石油化工学院学报》2020年第4期27-31,共5页Journal of Guangdong University of Petrochemical Technology

基　　金：黑龙江省科技攻关项目(GA09B201-04);广东省科技计划项目(2014A020223008,2017A030223010);广东省教育厅自然科学特色创新项目(2016KTSCX088)。

摘　　要：古莲河露天煤矿的开采为当地的经济发展作出了巨大贡献,但与此同时也给生态环境造成了一定的压力,其中排土场是比较严重的一个方面,针对其排土场重金属的生物活性及其污染程度进行研究。通过现场采样和实验室处理分析与评价,结果表明,排土场中Mn和Pb的潜在可利用性都很强,Cu的不可利用性较强,Zn的可利用性较低,它们的生物活性顺序为Mn>Pb>Zn>Cu;从单项污染指数值来看,四种重金属的污染等级暂未达到中度污染级别,它们的综合污染等级最多属于轻度级别。该研究可为当地的污染治理提供一定的参考。Gulian open-pit coal mine has made great contribution to the development of the local economy,but it has also caused some ecologically environmental problems,one of which is the pollution of its spoilbank.This paper mainly focuses on the biological activities of heavy metals and their pollution levels of the spoilbank.Through field sampling and laboratory analysis and evaluation,the results show that Mn and Pb in the spoilbank are very high in potential availability;Cu and Zn are very low in potential availability;the order of four heavy metals biological activity is Mn>Pb>Zn>Cu.According to the single pollution index value,these four kinds of heavy metal pollution levels do not reach the moderate pollution level.The study can provide some reference for the local pollution control.

关 键 词：排土场 重金属化学形态 生物活性 污染评价 

分 类 号：S15[农业科学—土壤学]