Electrochemical obtaining of nickel hydroxide from nickel plating waste water for application in the alkali secondary cells

V.L. Kovalenko, V.A. Kotok & V.V. Malyshev
The rinsing and waste water of the plating industry, containing the heavy metal cations, are the source of environmental pollution. Nickel cations have a strong biological hazard. At the same time, up to 30% of nickel compounds spent on nickel plating are irretrievably lost to the rinsing water. Purification of the rinsing and wastewater from heavy metal cations is expensive. It’s economically effective to develop the methods of local treatment of plating rinsing water with...
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