The neutralization process for deferrization of leaching liquor has been studied.
文章进行了湿法炼锌过程中氧压酸浸液净化中和除铁的工艺研究。
Therefore, the aim of deferrization and leaching under low acid together with one step can be realized.
从而实现净化除铁与低酸浸出一步完成的目的。
A process of gravity separation-roasting-chemical deferrization has been developed through experiment which can be used for producing kaolin products of different classes.
通过试验研究，贵州硬质高岭土矿，适于采用重选—焙烧—化学漂白除铁的工艺流程来加工处理，可以得到不同级别的高岭土产品。
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