Characteristics of water contamination in abandoned coal mines: a case study on Yudong River area, Kaili, Guizhou Province, China

The seasonal and spatial changes in the chemical composition of the water in abandoned mine drainages and rivers in Yudong River area in the years of 2017–2018 were analyzed. The effects of mine water drainage on the seasonality and physicochemical properties of the river water after mine closure we...

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Veröffentlicht in:	International journal of coal science & technology 2021-12, Vol.8 (6), p.1491-1503
Hauptverfasser:	Li, Xiangdong, Cai, Jieying, Chen, Di, Feng, Qiyan
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural land Analysis Aquatic resources Cadmium Case studies Chemical oxygen demand China Coal industry Coal mines Contamination Correlation coefficient Dry season Energy Environmental quality Ethylenediaminetetraacetic acid Fossil Fuels (incl. Carbon Capture) Geotechnical Engineering & Applied Earth Sciences Irrigation Irrigation water Mechanical properties Mine drainage Mine water Mineral Resources Physicochemical properties Pollution Pollution levels Research Article Rivers Seasonal variations Soil contamination Soil pollution Surface water Water pollution Water quality Water quality standards
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Beschreibung
Zusammenfassung:	The seasonal and spatial changes in the chemical composition of the water in abandoned mine drainages and rivers in Yudong River area in the years of 2017–2018 were analyzed. The effects of mine water drainage on the seasonality and physicochemical properties of the river water after mine closure were evaluated, and the feasibility of irrigation using river water and the degree of pollution to farmland were assessed using the Water Quality Standard for Farmland Irrigation . The results show that the mine water has low pH value (
ISSN:	2095-8293 2198-7823
DOI:	10.1007/s40789-021-00466-w