Treatment of acidicblack dye wastewater by multi-phase catalytic oxidation over copper catalyst was studied.
以酸性黑染料废水为处理对象，对多相催化氧化处理工艺中的铜系催化剂进行研究。
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The black kokanee, or "kunimasu" in Japanese, was thought to have died out in 1940, when a hydroelectric project made its native lake in northern Akita Prefecture more acidic.
Especially in, high-end radiator electroplating, in acidic copper, nickel, black nickel, and so has the rich production experience, in electroplating industry area is the leading status.