extraction fractionation

基本解釋

Kazakhstan vacuum residuum(VR)was evaluated detailedly by supercritical fluid extraction and fractionation(SFEF).
利用超臨界流體萃取分餾技術(shù)，對(duì)哈薩克斯坦減壓渣油進(jìn)行評(píng)價(jià)。
Experiments have been conducted to produce heavy paving asphalts from Xinjiang vacuum residue mixed with RFCC slurry by supercritical fluid extraction and fractionation (SFEF).
研究了采用超臨界流體萃取技術(shù)（SFEF），以減壓渣油和催化裂化油漿為原料，制備重交通道路瀝青產(chǎn)品的可行性。
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).
以新疆減壓渣油中摻入不同比例的重油催化裂化油漿為原料，在超臨界流體萃取分餾裝置上，進(jìn)行丁烷脫瀝青試驗(yàn)。