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，對哈薩克斯坦減壓渣油進行評價。
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（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，進行丁烷脫瀝青試驗。