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矿区煤矸石淋溶对周边地下水环境污染分析
引用本文:骈炜,张敬凯,王金喜,程文净,牛红兰,樊景森,牛红亚. 矿区煤矸石淋溶对周边地下水环境污染分析[J]. 河北工程大学学报(自然科学版), 2016, 33(3): 80-84,108
作者姓名:骈炜  张敬凯  王金喜  程文净  牛红兰  樊景森  牛红亚
作者单位:河北工程大学 地球科学与工程学院, 河北 邯郸 056038;河南省煤田地质局, 河南 郑州 450016;河北工程大学 地球科学与工程学院, 河北 邯郸 056038;河北工程大学 地球科学与工程学院, 河北 邯郸 056038;伊犁州建设工程质量监督中心站, 新疆维吾尔自治区 伊宁 835000;河北工程大学 地球科学与工程学院, 河北 邯郸 056038;河北工程大学 地球科学与工程学院, 河北 邯郸 056038
基金项目:国家自然科学基金资助项目(41541038);河北省自然科学基金资助项目(D2016402120);河北省教育厅优青基金资助项目(YQ2014020)
摘    要:为了研究煤矸石中重金属元素对环境的污染情况,在河南巩义市内某煤矿区采集了煤矸石及周边浅层地下水样品。采用淋溶试验法及电感耦合等离子体质谱法(ICP-MS)分析测定了煤矸石及地下水中部分重金属元素的含量。结果表明:该地区煤矸石中元素Cr和Pb的含量较高;堆放在地表煤矸石随着时间的延长,淋溶出煤矸石中的元素总量随之增高,但溶出趋势各异;塌陷区的浅层地下水中除Cr和Sr元素外,其它元素的含量均高于非塌陷区对应的元素;塌陷区浅层地下水样品中Cr、Cu元素以及非塌陷区浅层地下水样品中Cr元素的含量偏高,分别为17.6、59.4和22.8 g/L。根据元素淋溶规律,对比塌陷区与非塌陷区元素含量,推断塌陷区浅层地下水中Cu和Pb元素值较高与矸石山有关。

关 键 词:煤矸石  重金属  环境污染  淋溶实验
收稿时间:2016-04-28

Environmental pollution of surrounding groundwater from coal gangue leaching in mining area
PIAN Wei,ZHANG Jingkai,WANG Jingxi,CHENG Wenjing,NIU Honglan,FAN Jingsen and NIU Hongya. Environmental pollution of surrounding groundwater from coal gangue leaching in mining area[J]. Journal of Hebei University of Engineering(Natural Science Edition), 2016, 33(3): 80-84,108
Authors:PIAN Wei  ZHANG Jingkai  WANG Jingxi  CHENG Wenjing  NIU Honglan  FAN Jingsen  NIU Hongya
Affiliation:School of Earth Science and Engineering, Hebei University of Engineering, Hebei Handan, 056038, China;Henan Coal Field Geology Bureau, Henan Zhengzhou, 451150, China;School of Earth Science and Engineering, Hebei University of Engineering, Hebei Handan, 056038, China;School of Earth Science and Engineering, Hebei University of Engineering, Hebei Handan, 056038, China;Yili Construction Qualtiy Supervision Center, Xinjiang Yining, 835000, China;School of Earth Science and Engineering, Hebei University of Engineering, Hebei Handan, 056038, China;School of Earth Science and Engineering, Hebei University of Engineering, Hebei Handan, 056038, China
Abstract:In order to investigate the environmental pollution of heavy metals in coal gangue, samples of the coal gangue and shallow groundwater in surrounding areas were collected in Gongyi City, Henan Province. The coal gangue samples were treated by leaching experiment first. Then the contents of metallic elements in groundwater and treated coal gangue leaching water samples were measured by inductively coupled plasma mass spectrometry (ICP-MS). The results showed that the contents of Cr and Pb were high in coal gangue, and the amount of the metallic elements increased as the coal gangue stacking over time with variable dissolution trends. The contents of most metallic elements in shallow groundwater were higher in the collapsed area than in the non-collapsed area, except for Cr and Sr. The contents of Cr and Cu in shallow groundwater samples from collapsed area, and Cr from non-collapsed area were high, as 17.6, 59.4 and 22.8 g/L, respectively. Based on the leaching characteristics, and comparison between the contents of metallic elements in the collapsed and non-collapsed areas, we suggested that the high contents of Cu and Pb in shallow groundwater in collapsed area were closely related to the coal gangue dump.
Keywords:coal gangue  heavy metal  environmental pollution  leaching experiment
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