| http://www.w3.org/ns/prov#value | - tion liquor C12F 3/00 Recovery of by-products C12F 3/08 Recovery of alcohol from press residues or other waste material C12P 7/08 Biochemical production of ethanol from waste C22B 7/00 Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof C22B 19/28 Obtaining zinc or zinc oxide from muffle furnace residues C22B 19/30 Obtaining zinc or zinc oxide f
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