Dou-Sol extraction

• 双溶剂萃取； 精制

Dou-Sol extraction的用法和样例：

例句

1. Itis recommended that the raffinate from fur fural extraction of coker gas oil will be a good FCC feedstock.
   认为焦化蜡油糠醛精制抽余油是一种优质的催化裂化原料。
2. Extraction and purification of natural surfactant lecithin were summarized, and new research progress of some processes was briefly introduced.
   简要综述了天然表面活性剂磷脂的提取与精制工艺，并介绍了有关工艺的新进展。