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| DOI：10.13522/j.cnki.ggps.2022294 |
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| Study on Water Treatment of Baishuiyan Coal Mine in Wanantan Town,Longli County, Guizhou |
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LEI Wei, ZHANG Chao, WANG Yongtao
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1. Guizhou Academy of Hydraulic Sciences, Guiyang 550002, China;
2. Guizhou Feixiang Environmental Protection Engineering Co. Ltd., Guiyang 550002, China
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| Abstract: |
| According to the 14th Five-Year Plan for ecological civilization special plan of Longli County, Guizhou province, mine ecological restoration will be strengthened. To study the water pollution control of Baishuiyan coal mine in Wanantan Town, Longli County, the water inflow was monitored, and the gushing water quality was acidic, and the wastewater mainly contained Fe2+ and Mn2+. According to the relevant requirements, the design water standard is grade A standard, and the process selection adds cooked lime powder. After the system process, the water quality steadily reaches the standard. It is concluded that the treatment process is suitable for coal mine water gushing treatment and effectively improves the ecological environment of Wantan river basin. |
| Key words: water gushing in coal mines; acid wastewater; neutralization treatment |
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