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石英砂该怎么除铁？

2025-04-07 10:47:11

推荐回答（1个）

回答1：

常用的有磁选、浮选、FH酸选等方法。最近有些企业尝试高温煅烧法，此方法主要是借助添加剂氯化钠NaCl在高温中将铁、钛等杂质如菱铁矿FeC03、褐铁矿Fe2O3与NaC1生成FeC13、TiCl↑气体挥发，达到除铁杂质的目的。

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