混汞法提金工艺过程中添加的金属汞是某金矿区周围环境汞污染的主要来源。
Mercury, that was used to extract gold in amalgamation, is the main source of pollution of the mine environment.
工业废水中常用的除汞方法有吸附法、沉淀法、混凝法、离子交换法、过滤法等。
There are many common principles to remove mercury in industrial wastewater, such as absorption, sedimentation, flocculation, ion exchange and filtration etc.
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