Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

矿在一个预混槽中与硫酸以及循环回的第一洗涤酸进行混。

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

石、碳酸盐骨骸碎屑、化石和胶矿普遍出现。

A tectno-magmatic province in relationship with the Dalimu and Sino-Korean paraplatforms defines two giant hyperalkaline to alkaline to carbonate mineralization belts.

塔里木一中朝两个准关构造-岩浆带中,有两个巨大的超基性-碱性-碳酸岩杂岩型矿成矿带。

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.

对胺矿的组成和性质，胺矿的反应活性、发泡及消泡性能，湿法酸制备及酸的浓缩和澄清进行了试验研究。