Preliminary treatment of ores or scrap

Child Classifications

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• C22B 1/005
• C22B 1/02 Roasting processes (C22B1/16 takes precedence)
• C22B 1/11 Removing sulfur, phosphorus or arsenic other than by roasting
• C22B 1/14 Agglomerating; Briquetting; Binding; Granulating
• C22B 1/26 Cooling of roasted, sintered, or agglomerated ores