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研究了氧化— 中和沉淀法从铜浸出液中除铁的工艺条件，并介绍了工业实践。
The process conditions of removing Fe From Cu leaching liquor were studied by oxidation precipitation method. Its industrial practice was introduced.
从热力学计算及实验两方面研究了酸性冶金废液中以砷酸铁形式中和沉淀脱砷过程。
A dearsenifying process from high concentration arsenate solution by formation of insoluble ferric arsenate is analyzed by thermodynamics and examined experimentally.
通过这种处理，在中和沉淀渣的小颗粒上形成完全的铁酸盐包复膜，在弱酸性条件下重金属离子不再浸出。
Through this kind of disposal process, heavy metal ions will no longer leach out from NPS under weak acidic conditions.
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