C6 RECYCLE FOR PROPYLENE GENERATION IN A FLUID CATALYTIC CRACKING UNIT
摘要
<p>The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream. The process is practiced by recycling a C6 rich fraction of the catalytic naphtha product to the riser upstream the feed injection point, to a parallel riser, to the spent catalyst stripper, and/or to the reactor dilute phase immediately above the stripper.</p>
申请公布号
WO2004078881(A1)
申请公布日期
2004.09.16
申请号
WO2004US04266
申请日期
2004.02.13
申请人
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY;CHEN, TAN-JEN;HENRY, BRIAN, ERIK;KEUSENKOTHEN, PAUL, F.;RUZISKA, PHILIP, A.
发明人
CHEN, TAN-JEN;HENRY, BRIAN, ERIK;KEUSENKOTHEN, PAUL, F.;RUZISKA, PHILIP, A.