Results show that the mixed solvent can give high distribution extraction rate for acetic acid wastewater. Back extraction rate was 98. 4%.

试验结果表明：混合溶剂对废水中的醋酸有较高的萃取率，反萃取效果为98.4%。

youdao

Solvent extraction experiment has been done, in which the feedstock of xinjiang vacuum residue was mixed with RFCC slurry by the method of Supercritical Fluid extraction and Fractionation (SFEF).

以新疆减压渣油中掺入不同比例的重油催化裂化油浆为原料，在超临界流体萃取分馏装置上，进行丁烷脱沥青试验。

youdao

Extraction processes for water soluble alkaloids from Rauvolfia vomitoria Afzel with various mixed solvent systems were described.

用混合溶剂提取法研究催吐萝芙木水溶性生物碱的浸提工艺。

youdao