这种方法被使用于在3000年前的俄罗斯和欧洲,他们使用油,酸或水。
This method was used in Russia and Europe 3000 years ago and they used oil, acid or water.
同时,它只能被使用于配置文件中,而在控制台模式中执行它是无效的。
Also, it can only be used in configure file, running it in console mode does not work.
因此,由于具有经济考虑优势,离子交换树脂普遍被使用于贵金属回收。而大部份使用阴离子交换树脂来交换吸附贵金属。
Therefore the ion exchange resins are economically adopted for the gold recovery. Mostly Anionic type of ion exchange resin are used that adsorb the gold.
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