Buy Chemicals Buy Chemicals We buy chemicals like caustic soda, soda ash, alum, sodium hydrosulphite, paint chemicals, cosmetic chemicals and dyestuff such as vat dyes, disperse dyes, acid dyes.

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.

介绍了保产物的生成及废水、废气、废的处理工艺,经过一系列的合利用,不仅实现达标排放,还取得了较好的经济效益。