Effects and measures of mineral resources development on groundwater environment - a case study of a mining area in Fengkai County of Guangdong Province
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Abstract:
On the basis o f gr oundw ater environment investig atio n and eva luation, a numer ical simulatio n was per formed to ana2 lyze the effects of mineral resource development o n g roundw ater envir onment o f a mining ar ea in Fengkai County of Guangdong Pro vince. T he r esults show ed that the ar ea wit h sig nificant effects on gr oundwat er flow field during the mineral resource devel2 o pment is w ithin the r ang e o f 1 000 m upstr eam and 600 m downstream, and g ro undwater levels in t his ar ea need to be reg ular ly monitor ed. Under st eady g ro undwater f low and after t he po llutants in the mineral pro cessing w ast ew ater settling tank under the abnormal w or king conditio ns spill eig ht y ears, the distance that the content o f Cu in gr oundw ater exceeds 0. 05 mg/ L can reach 149 m, and gr oundw at er in the ex cessiv e pollutants zones begins t o discharg e pollutants to the Banti Riv er. Effective seepag e co nt rol measur es need to be conducted to r educe the impact of mineral resource development activ ities on g roundw ater envir on2 ment in the mining and its sur rounding areas.
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