Hydrogeochemistry characteristic contrasts between low- and high-antimony in shallow drinkable groundwater at the largest antimony mine in hunan province, China
作者： Chunming Hao , Wei Zhang , Herong Gui
DOI: 10.1016/J.APGEOCHEM.2020.104584
关键词:
摘要: Abstract The antimony (Sb) content of shallow drinkable groundwater at Xikuangshang mine area (in Hunan province, China) has exceeded China's national drinking water quality guidelines, posing a serious threat to the health residents in area. difference hydrogeochemistry characteristics and water-rock interactions between low Sb ( 0.015 mg/L), however, remains unclear. In this study, 24 samples were collected from data analyzed reveal condition leading formation high groundwater. Compared with groundwater, higher level Na+, TDS, SO42-, which increase by 6.38, 1.84, 4.04 times, respectively. is mainly controlled Ca–HCO3–SO4 type, whereas type as main facies, Ca–Na–SO4 Ca–SO4–HCO3 secondary facies. chemical composition influenced dissolution carbonate minerals ion-exchange interaction silicate minerals, among most important factor. outcomes research provide better understanding mechanisms pollution it will help securing safe sources for local communities.
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