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用碘──碘化物溶液浸出金方法美国专利(No5137700)提出从矿石和废料中浸出贵金属的方法。方法包括:在碘-碘氢酸水溶液中溶解贵金属;添加还原剂,沉淀已浸出的贵金属;废液被氧化成初始状态,井再次用于浸出;从二次废液中沉积元素Ⅰ_2。往二次水溶液中添...
Methods for Leaching Gold from Iodide-Iodide Solutions U.S. Patent No. 5,137,700 teaches a method for leaching precious metals from ores and waste materials. The method comprises: dissolving a precious metal in an iodine-aqueous solution of hydrogen iodide; adding a reducing agent to precipitate the leached precious metal; the waste liquid is oxidized to an initial state and is used again for leaching; and the element I_2 is deposited from the secondary waste liquid. Add to the secondary aqueous solution ...