介绍了硫酸铵氨络合浸出法直接由矿物原料制取等级氧化锌新工艺。
Direct preparation of grade zinc oxide from zinc oxide ores or zinc bearing materials by using ammonium sulfate and ammonia leaching process has been described.
本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
用加压氨浸的方法，对某低品位难选离析铜矿进行了浸出研究。
A study for leaching of a low grade and difficult to separate copper ore was performed by using ammoniacal pressure leaching method.
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