湿法冶金
濕法冶金
습법야금
Hydrometallurgy of China
2015年
6期
439-443
,共5页
选矿%废水%回用%工程%应用
選礦%廢水%迴用%工程%應用
선광%폐수%회용%공정%응용
mineral processing%wastewater%reuse%project%application
选矿废水水量大，含较高浓度的悬浮颗粒、重金属离子和浮选药剂等有毒有害物质，直接外排会给农田、生态环境及人类身体健康带来很大风险。浓缩澄清、絮凝沉淀、中和沉淀和尾矿库自然降解等是我国目前选矿废水处理与回用的主要技术，但工程上还存在回用水水质水量不稳定、污染物累积、管道结垢、外排水部分污染物指标不能达标和二次污染等问题。研发低成本选矿废水处理新技术，加强矿山选矿废水管理，有助于实现矿山选矿废水零排放。
選礦廢水水量大，含較高濃度的懸浮顆粒、重金屬離子和浮選藥劑等有毒有害物質，直接外排會給農田、生態環境及人類身體健康帶來很大風險。濃縮澄清、絮凝沉澱、中和沉澱和尾礦庫自然降解等是我國目前選礦廢水處理與迴用的主要技術，但工程上還存在迴用水水質水量不穩定、汙染物纍積、管道結垢、外排水部分汙染物指標不能達標和二次汙染等問題。研髮低成本選礦廢水處理新技術，加彊礦山選礦廢水管理，有助于實現礦山選礦廢水零排放。
선광폐수수량대，함교고농도적현부과립、중금속리자화부선약제등유독유해물질，직접외배회급농전、생태배경급인류신체건강대래흔대풍험。농축징청、서응침정、중화침정화미광고자연강해등시아국목전선광폐수처리여회용적주요기술，단공정상환존재회용수수질수량불은정、오염물루적、관도결구、외배수부분오염물지표불능체표화이차오염등문제。연발저성본선광폐수처리신기술，가강광산선광폐수관리，유조우실현광산선광폐수령배방。
Effluent of large quantity of mineral processing wastewater has higher risk for farm ,eco‐environmentand human health because of the wastewater containing high concentration suspended sold ,heavy ions and many chemicals used in flotation process .Thickening and clarification , flocculation ,neutralization precipitation and tailing pond treatment are employed to clean the mineral process wastewater and reuse it in many process .Because of unstable quality and quantity of recycled water ,accumulation of pollutants in recycled water ,pipe line clogged because of scaling ,some pollutants in the effluent higher than emission standard and second pollution hinder the application of those technologies ,so inorder to realize the goal of zero effluent ,it is necessary to research and develop new lower cost wastewater treatment technology and improve the management of mineral processing wastewater .
