hydrosulphite

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尼日利亚求购化学制品.

This paper introduces the formation of by-products in the typical process for sodium hydrosulphite and the waste treatments for the exhaust gas,waste water and waste residue in the route.

介绍了保险粉副产物生成及废水、废气、废理工艺,经过一系循环综合利用,现达标排放,还取得了较好经济效益。