|Table of Contents|

Dissolution Potential of Heavy Metal Elements in Coal and Its Influence Factors(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2023年第02期
Page:
437-444
Research Field:
水资源与水文地质
Publishing date:

Info

Title:
Dissolution Potential of Heavy Metal Elements in Coal and Its Influence Factors
Author(s):
CAO Qing-yi;  QIAN Ya-hui;  YANG Liu*
(School of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China)
Keywords:
coal;  heavy metal;  mine water;  water-coal interaction;  existing form;  dissolution mechanism;  internal factor;  external factor
PACS:
P66; X52
DOI:
10.19814/j.jese.2022.09048
Abstract:
Water-coal interaction is an important factor affecting the water quality of coal mines. Using the analysis methods of continuous chemical extraction and leaching test, the existing forms of 10 heavy metal elements in coal were analyzed, the average dissolution concentrations of heavy metal elements in the process of water-coal interaction were quantified, and the internal and external factors affecting the dissolution of heavy metal elements in coal were sorted out. The results show that ① Hg and Cr in coal mainly exist in the residual fraction; the main existing forms of Mo are residual fraction and oxidisable fraction; the main existing forms of Ni, Cu, Co, Zn and Cd are residual fraction, oxidizable fraction and mild acido-soluble fraction; the main existing forms of As and Pb are residual fraction, oxidisable fraction and reducible fraction. ② The heavy metal elements in descending order of average dissolution concentration are Zn(25.73 μg·L-1), Cu(25.21 μg·L-1), Ni(18.12 μg·L-1), Cr(13.22 μg·L-1), Co(8.10 μg·L-1), Mo(4.31 μg·L-1), As( 0.77 μg·L-1), Cd(0.60 μg·L-1), Pb(0.50 μg·L-1), Hg(<0.10 μg·L-1). ③ The internal factors affecting the dissolution of heavy metal elements in coal, include element content, occurrence state and speciation, coal acid production performance, water Eh, etc.; the external factors include oxygen exposure condition, duration of water-coal interaction, etc. Under the combined influence of internal and external factors, the dissolution characteristics of heavy metal elements in coal in different regions are significantly different.

References:

[1] ZHU Z F,DOU J.Current Status of Reclaimed Water in China:An Overview[J].Journal of Water Reuse and Desalination,2018,8(3):293-307.
[2] 顾大钊,李 庭,李井峰,等.我国煤矿矿井水处理技术现状与展望[J].煤炭科学技术,2021,49(1):11-18.
GU Da-zhao,LI Ting,LI Jing-feng,et al.Current Status and Prospects of Coal Mine Water Treatment Technology in China[J].Coal Science and Technology,2021,49(1):11-18.
[3] CAO Q Y,YANG L,QIAN Y H,et al.Spatial Distribution Characteristics of Coal Mine Drainage Water Quality in China[J].Mine Water and the Environment,2022,41:1096-1105.
[4] YANG D L,LI J M,HUANG Y L,et al.Research on Migration Law of Mn in Mudstone Floor in the Goaf Under Coupling Conditions of Seepage and Stress[J].Polish Journal of Environmental Studies,2019,29(1):939-950.
[5] LIN M L,PENG W H,GUI H R.Hydrochemical Characteristics and Quality Assessment of Deep Groundwater from the Coal-bearing Aquifer of the Linhuan Coal-mining District,Northern Anhui Pro-vince,China[J].Environmental Monitoring and Assessment,2016,188(4):202.
[6] FU S,LU J M.Temperature-driven Variation in the Removal of Heavy Metals from Contaminated Tai-lings Leaching in Northern Norway[J].Environmental Monitoring and Assessment,2019,191(2):123.
[7] ZHANG S Z,LIU G J,YUAN Z J.Environmental Geochemistry of Heavy Metals in the Groundwater of Coal Mining Areas:A Case Study in Dingji Coal Mi-ne,Huainan Coalfield,China[J].Environmental Forensics,2019,20(3):265-274.
[8] 宋明义,胡艳华,黄春雷,等.不同酸度淋溶条件下石煤中Cd、Pb释放速率[J].地球化学,2011,40(6):588-595.
SONG Ming-yi,HU Yan-hua,HUANG Chun-lei,et al.Study on the Release Rate of Cd,Pb from Stone Coal Under Leaching Conditions of Different pH Values[J].Geochimica,2011,40(6):588-595.
[9] 王甜甜,靳德武,杨 建.内蒙古某矿矿井水重金属污染特征及来源分析[J].煤田地质与勘探,2021,49(5):45-51.
WANG Tian-tian,JIN De-wu,YANG Jian.Heavy Metal Pollution Characteristics and Source Analysis of Water Drainage from a Mine in Inner Mongolia[J].Coal Geology & Exploration,2021,49(5):45-51.
[10] EQUEENUDDIN S M.Leaching of Trace Elements from Indian Coal[J].Journal of the Geological Society of India,2015,86(1):102-106.
[11] LI D W,XU G J,YANG K.Experimental Study on the Basic Characteristic of Coal from Songzao Coal Mine in Chongqing[J].Disaster Advances,2011,5(S1):13-16.
[12] GB/T 25282—2010,土壤和沉积物 13个微量元素形态顺序提取程序[S].
GB/T 25282—2010,Soil and Sediment-sequential Extraction Procedure of Speciation of 13 Trace Elements[S].
[13] 段文松,汪 玥,黄观超,等.皖江典型城市黑臭河道表层沉积物重金属的季节分布特征及其源解析[J].长江流域资源与环境,2022,31(6):1334-1343.
DUAN Wen-song,WANG Yue,HUANG Guan-chao,et al.Seasonal Distribution and Source Apportionment of Heavy Metals in Surface Sediments of Black and Odorous Rivers in Typical Cities of Wanjiang River[J].Resources and Environment in the Yangtze Basin,2022,31(6):1334-1343.
[14] 符运拓,杨 红,王春峰.长江口邻近海域表层沉积物重金属赋存形态及生态危害评估[J].海洋环境科学,2022,41(4):534-542.
FU Yun-tuo,YANG Hong,WANG Chun-feng.The Occurrence Forms and Ecological Hazard Evaluation of Heavy Metals in the Surface Sediments near the Yangtze Estuary[J].Marine Environmental Science,2022,41(4):534-542.
[15] OKBAH M A,NASR S M,KASEM S M.Heavy Me-tals Availability(Fe,Mn,Zn,Cu and Cr)in Aden Gulf Sediments Under Aerobic and Anaerobic Conditions[J].Chemistry and Ecology,2008,24(2):109-117.
[16] SUN R G,GAO Y,YANG Y.Leaching of Heavy Me-tals from Lead-zinc Mine Tailings and the Subsequent Migration and Transformation Characteristics in Paddy Soil[J].Chemosphere,2022,291:132792.
[17] TESSIER A,CAMPBELL P G C,BISSON M.Sequ-ential Extraction Procedure for the Speciation of Particulate Trace Metals[J].Analytical Chemistry,1979,51(7):844-851.
[18] 史维浚,孙占学.应用水文地球化学[M].北京:原子能出版社,2005.
SHI Wei-jun,SUN Zhan-xue.Applied Hydrogeoche-mistry[M].Beijing:Atomic Energy Press,2005.
[19] 李学礼,孙占学,刘金辉.水文地球化学[M].北京:原子能出版社,2010.
LI Xue-li,SUN Zhan-xue,LIU Jin-hui.Hydrogeoche-mistry[M].Beijing:Atomic Energy Press,2010.
[20] URíK M,GARDOOVá K,BUJDO M,et al.Sorption of Humic Acids onto Fungal Surfaces and Its Ef-fect on Heavy Metal Mobility[J].Water,Air & Soil Pollution,2014,225(2):1839.
[21] LINKEVICH E V,YUDINA N V,SAVEL’EVA A V.Formation of Humic Colloids in Aqueous Solutions at Different pH Values[J].Russian Journal of Physical Chemistry A,2020,94(4):742-747.
[22] LAI C H,CHEN C Y,WEI B L,et al.Cadmium Adsorption on Goethite-coated Sand in the Presence of Humic Acid[J].Water Research,2002,36(20):4943-4950.
[23] ROSS M R V,NIPPGEN F,HASSETT B A,et al.Pyrite Oxidation Drives Exceptionally High Weathering Rates and Geologic CO2 Release in Mountaintop-mined Landscapes[J].Global Biogeochemical Cycles,2018,32(8):1182-1194.
[24] MATTHIES R.Application of Heavy Stable Isotopes in Mine Water Research[J].Reviews in Environmental Science and Bio/Technology,2015,14(1):5-8.
[25] ANTIC-MLADENOVIC S,FROHNE T,KRESOVIC M,et al.Biogeochemistry of Ni and Pb in a Periodically Flooded Arable Soil:Fractionation and Redox-induced(Im)Mobilization[J].Journal of Environmental Management,2017,186:141-150.
[26] HINDERSMANN I,MANSFELDT T.Trace Element Solubility in a Multimetal-contaminated Soil as Affected by Redox Conditions[J].Water,Air & Soil Pollution,2014,225(10):2158.
[27] SHAHEEN S M,RINKLEBE J,FROHNE T,et al.Biogeochemical Factors Governing Cobalt,Nickel,Selenium,and Vanadium Dynamics in Periodically Flooded Egyptian North Nile Delta Rice Soils[J].Soil Science Society of America Journal,2014,78(3):1065-1078.
[28] CAO Q Y,YANG L,QIAN Y H,et al.Dissolution of Harmful Trace Elements from Coal and the Environmental Risk to Mine Water Utilization[J].Environmental Science and Pollution Research,2022,DOI:10.1007/s11356-022-22530-x.
[29] LIU J L,HE H B,CHEN Y M,et al.Leaching Behavior of Heavy Metals in Coal Gasification Residuals[J].Polish Journal of Environmental Studies,2017,26(5):2067-2073.
[30] HUANG Y L,LI J M,SONG T Q,et al.Microstructure of Coal Gangue and Precipitation of Heavy Metal Elements[J].Journal of Spectroscopy,2017,2017:3128549.
[31] HUA C Y,ZHOU G Z,YIN X,et al.Assessment of Heavy Metal in Coal Gangue:Distribution,Leaching Characteristic and Potential Ecological Risk[J].Environmental Science and Pollution Research,2018,25(32):32321-32331.
[32] SUN Y Q,XIAO K,WANG X D,et al.Evaluating the Distribution and Potential Ecological Risks of Heavy Metal in Coal Gangue[J].Environmental Science and Pollution Research,2021,28(15):18604-18615.

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Last Update: 2023-05-20