extraction fractionation

基本解释

Kazakhstan vacuum residuum(VR)was evaluated detailedly by supercritical fluid extraction and fractionation(SFEF).
利用超临界流体萃取分馏技术，对哈萨克斯坦减压渣油进行评价。
Experiments have been conducted to produce heavy paving asphalts from Xinjiang vacuum residue mixed with RFCC slurry by supercritical fluid extraction and fractionation (SFEF).
研究了采用超临界流体萃取技术（SFEF），以减压渣油和催化裂化油浆为原料，制备重交通道路沥青产品的可行性。
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。