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%。
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。
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。
Experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.
实验发现，异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。
Systematic comparisons between the extraction effects by using mixed solvent and by using hexane alone are made.
对混合溶剂与单用轻汽油的浸出效果作了对比。
Stress on summerize technology of direct extraction of cottonseed kernels and de gossypol with alcohol commercial hexane mixed solvent.
侧重介绍乙醇轻汽油混合溶剂一次浸出棉仁脱酚工艺。
The fractionation separation of fructose monopalmitate and fructose dipalmitate by extraction with mixed organic solvent were performed.
研究了混合溶剂法分级分离棕榈酸果糖单酯和棕榈酸果糖双酯的工艺。
The fractionation separation of fructose monopalmitate and fructose dipalmitate by extraction with mixed organic solvent were performed.
研究了混合溶剂法分级分离棕榈酸果糖单酯和棕榈酸果糖双酯的工艺。
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