二月 2016 | Jiujiang Huirong New Materials Co., Ltd.
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二月 2016

电镀和金属加工业废水中锌的主要来源是电镀或酸洗的拖带液。污染物经金属漂洗过程又转移到漂洗水中。酸洗工序包括将金属(锌或铜)先浸在强酸中以去除表面的氧化物,随后再浸入含强铬酸的光亮剂中进行增光处理。...

所谓医药中间体,实际上是一些用于药品合成工艺过程中的一些化工原料或化工产品。这种化工产品,不需要药品的生产许可证,在普通的化工厂即可生产,只要达到一些的级别,即可用于药品的合成。...

农药中间体是农用原材料加工生产出来的产品,是一种将两种或两种以上物质结合在一起的中间介质。在农药里可以理解为增效剂,是生产农药的中间材料。...

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