Hydrogen processing. Hydroprocessing. Process

Lee E. Turpin, Robert S. Henderson, Herbert W. Wizig, Richard Foley, Gerald D. Lamb, Ennio L. Mastracci, Charles Radcliffe, Terry R. Waldron, Eugene Roundtree, Brian Rasbold, J. B. Roddey, Michael J. Zetlmeisl, Brian M. Moyse, Aristides Macris, Alain P. Lamourelle, Don MacAhan, Raj Patel, Lloyd Winger, Peter G. Andrews, Terry A. ReidJames D. Weith, John Traeger, David Forester, Claude Brun, Stephen Lin, Tariq Malik, Mehmet Y. Asim, Terrence S. Higgins, Arthur R. Gentry, Ben Grieb, Varut Komalarajun, Benjamin Klein, Paul W. Vance

Research output: Contribution to conferencePaperpeer-review

Abstract

A session on hydrogen processing, presented at the 1998 NPRA Question and Answer Session on Refining and Petrochemical Technology, Washington, DC, covers process variables in hydrotreating coker naphthas; selective desulfurization of FCC naphtha with minimal octane loss; MTBE and/or TAME in purchased naphthas; impact of chloride carryover on a hydroprocessing unit; impact of unit hydrogen partial pressure on the choice of catalyst type when producing future European diesel; changing diesel hydrotreater product sulfur from 500 to 50 wt ppm in an existing unit; running a ramped temperature profile operation in a hydrotreating unit; comparison between FCC feed hydrotreating vs. FCC naphtha hydrotreating for reducing gasoline pool sulfur; FCC yield improvements realized by increasing the severity of the hydrotreating operation; comparison between ex situ and in situ presulfiding methods; product quality problems; hydrocracking heavy feeds; techniques to combat high radial temperature spreads in hydrotreater or hydrocracker catalyst beds; parameters determining the optimum reactor pressure; monitoring water quality used for washing reactor effluent heat exchangers; operating parallel hydrotreaters with different feeds and operating objectives in each train; hydroprocessing wide boiling range feeds; and alternative routes to conventional hydroprocessing.

Original languageEnglish
StatePublished - 2000
Externally publishedYes

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