首页>
外国专利>
TWO-STEP PROCESS FOR PROPANE DEASPHALTING OF VACUUM RESIDUES
TWO-STEP PROCESS FOR PROPANE DEASPHALTING OF VACUUM RESIDUES
展开▼
机译:丙烷残渣脱丙烷的两步法
展开▼
页面导航
摘要
著录项
相似文献
摘要
FIELD: petroleum processing.;SUBSTANCE: residual motor oils are obtained from vacuum residues using two-step propane deasphalting process wherein, before second deasphalting step, spent motor oil is added to asphalt phase.;EFFECT: increased yield of residual motor oils.;1 tbl
展开▼