Polyvinyl alcohol agglomeration agents for mineral bearings ores

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound

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423 27, 423 29, 75772, C22B 1100, C22B 1500, C22B 100, C22B 300

Patent

active

054726751

ABSTRACT:
An agglomerating agent for use in the heap leaching of mineral bearing ores is disclosed. The agglomerating agent is a polyvinyl alcohol of moderate to high molecular weight which is partially or fully hydrolyzed. The polyvinyl alcohol agglomerating agent can be used alone or in combination with cement or lime in acidic or alkaline heap leaching operations.

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