solvent refining

基本解释

The paper introduced the flow sheet of gold electrolysis and solvent extraction refining process.
介绍了金电解与溶剂萃取两种工艺的原则流程；
Saturated hydrocarbons content of CGO been increased by about 10 percent points and the nitrogen content decreased significantly after solvent refining.
焦化蜡油经溶剂精制后，饱和烃含量提高10个百分点左右，氮含量明显降低。
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.
分析了采用碱精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。