Process for treating hydroxide sludge residues containing nonfer

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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75101BE, 75115, 75117, 75119, 75120, 75121, 423 24, 423100, 423139, C22B 1508, C22B 1922, C22B 2304

Patent

active

042421276

ABSTRACT:
A method for processing a hydroxide sludge residue to separate and recover the nonferrous metal values therefrom including the steps of

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