Abstract
The reasons and eco-economic consequences of galvanic sludge accumulation in environment have been considered. The economic futility of recycling of galvanic sludges has been shown. It has been established that recycling of chrome-containing wastes together with waste pickle liquors of steel-rolling mills enables to fully regenerate all components of the above wastes without sludge formation. The chemical processes for regenerative recycling of spent alkaline copper solutions of all kinds have been described. Deacidification of some acid electroplating wastes permits to extract oxides of nonferrous and heavy metals. Employment of the developed technologies in common will allow recycling all kinds of electroplating wastes and electrolytes without formation of sludges. Such a complex approach has some undisputable ecologic and economic advantages.
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