对清洗硅粉的部分废水可以用来做七水硫酸镁精制时的配制水。

The water from cleaning silicon residue could be used as water-confected in refining Epsom salt.

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解决了现有方法存在的产品质量低及不能生产大颗粒七水硫酸镁的问题。

The problems that in the existing method the product quality is low and macroaggregated magnesium sulfate heptahydrate can not be produced are resolved.

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