defrothing

1.The composition. properties, reaction activity, capacity of frothing and defrothing of phosphate rock and the preparation, thickening and clarification of wet phosphoric acid are stutiied.

对胺磷矿的组成和质，胺磷矿的反应、泡及消泡能，湿法磷酸制备及磷酸的缩和澄清进行了试验研究。