锡矿山青丰河污染物时空演变与水化学分析  

Space-temporal evolution and hydrochemistry analysis of Qingfeng river in Tin mine

作　　者：刘敏 郝春明 贾艳丽 张伟 LIU Min;HAO Chunming;JIA Yanli;ZHANG Wei(School of Safety Engineering,North China Institute of Science and Technology,Yanjiao,065201,China;China University of Mining and Technology(Beijing),Beijing,100083,China)

机构地区：[1]华北科技学院安全工程学院,北京东燕郊065201 [2]中国矿业大学(北京),北京100083

出　　处：《华北科技学院学报》2021年第4期25-31,共7页Journal of North China Institute of Science and Technology

基　　金：中央高校基本科研业务费资助项目(3142018009);冷水江锡矿山生态环境承载力评价项目(LCG2020009)。

摘　　要：分析2010~2020年青丰河流域一截面得出地表水中As、Sb浓度。丰水期As、Sb浓度2011年最高,其他年份逐渐降低;枯水期As、Sb浓度呈现先升高后降低的趋势。丰水期与枯水期结果对比得出,除2014年外,As丰水期浓度均大于枯水期,与丰水期降雨对砷碱渣的淋滤有关,Sb浓度受枯水期与丰水期影响变化不大,主要与矿石氧化有关。分析2020年青丰河流域地表水检测数据,得出As、Sb浓度主要与砷碱渣淋滤以及废水排放有关。本文绘制水化学类型演化图。结果表明:青丰河流域地表水水化学性质以碱土金属及碱土金属为主,由相关性分析可知水中As、Sb主要来源于砷碱渣淋滤以及岩盐溶解。Analyzing a cross-section of the Qingfeng River Basin from 2010 to 2020,we can find that the As and Sb concentrations in surface water were highest in 2011 during the wet season,and gradually decreased in other years.while Sb concentration in the dry season is increased first after decreasing.Through comparison of water abundance period and dry period,except for 2014,As concentration in abundance period is greater than the dry period,which is related to the lymph filtration of arsenic-alkali slag during abundant rainfall.Sb concentration is not greatly affected by dry period and abundance period,it is mainly related to ore oxidation.According to the analyze of the surface water detection data of Qingfeng River Basin in 2020,the As,Sb concentration is mainly related to arsenic-alkali residue lymph filtration and wastewater discharge.The water chemistry type evolution is mapped.The results show that the hydro-chemical properties of surface water in Qingfeng River basin are mainly alkali soil metals and alkali soil metals,the As,Sb in water mainly comes from arsenic-alkali residue filtration and dissolution of rock salt.

关 键 词：青丰河流域 丰水期 枯水期 砷碱渣 水化学类型 

分 类 号：TD745[矿业工程—矿井通风与安全]