solvent refining

基本解释

The paper introduced the flow sheet of gold electrolysis and solvent extraction refining process.
介紹了金電解與溶劑萃取兩種工藝的原則流程；
Saturated hydrocarbons content of CGO been increased by about 10 percent points and the nitrogen content decreased significantly after solvent refining.
焦化蠟油經溶劑精制後，飽和烴含量提高10個百分點左右，氮含量明顯降低。
Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc. were analyzed.
分析了採用堿精制、加氫精制、中壓加氫改質和溶劑精制等技術對催化裂化劣質柴油改質的利弊及其傚果。