Extraction of metal compounds from ores or concentrates by wet processes

Child Classifications

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• C22B 3/02 Apparatus therefor
• C22B 3/04 by leaching (C22B3/18 takes precedence)
• C22B 3/18 with the aid of microorganisms or enzymes, e.g. bacteria or algae
• C22B 3/20 Treatment or purification of solutions, e.g. obtained by leaching (C22B3/18 takes precedence)