first wash

用法例句

Based on the detailed component and particle size analysis for original salt,through a two-step purification process,the dry base content of purified sodium chloride was larger than 98%,the content of potassium chloride was reduced from 3.

利用青海盐湖工业(集团)公司氯化钾生产过程产生的浮选尾盐进行氯化钠一次精制试验,在对原盐进行充分的成份分析和粒度分析的基础上,通过二段洗涤工艺过程,一次精制后氯化钠干基含量达到98%以上,氯化钾含量从原盐的3。

Based on the detailed component and particle size analysis for the original three tail salts through a two-step purification process,the primary purification process were analyzed in detail.

采用青海盐湖工业集团公司三种不同来源的工业尾盐,在对原料盐进行充分的成份分析和粒度分析的基础上,通过二段洗涤流程,对三种不同来源的工业尾盐进行一次精制过程分析。