<p>Ethylene separation processes are described herein. The ethylene separation processes generally include introducing a feed stream including ethylene and butene into a de-ethenizer; and separating the ethylene from the butene via fractional distillation within the de-ethenizer to form an overhead stream including separated ethylene and a bottoms stream including separated butene, wherein the de-ethenizer operates at a pressure of less than 350 psig.</p>
申请公布号
CA2896614(A1)
申请公布日期
2014.07.17
申请号
CA20142896614
申请日期
2014.01.08
申请人
LYONDELL CHEMICAL TECHNOLOGY, L.P.;EQUISTAR CHEMICALS, LP
发明人
SAWYER, GARY A.;BRIDGES, ROBERT S.;COLEMAN, STEVEN T.;HOOD, ALLEN DAVID, JR.