Oligomerisation of olefins with zeolite catalyst

US8742192B2 · kind B2 · utility

Assignee

• ExxonMobil Chemical Patents Inc. · US

Inventors

• John Stephen Godsmark · Grez-Doiceau, BE
• Raphael Frans Caers · Edegem, BE
• Jihad M. Dakka · Whitehouse Station, US
• Hans K. T. Goris · Laakdal, BE
• Marc P. H. Puttemans · Schepdaal, BE
• Stephen H. Brown · Lebanon, US
• Georges Marie Karel Mathys · Bierbeek, BE
• Paul Hamilton · Eastleigh, GB

Key dates

• Filing date: Jun 16, 2006
• Grant date: Jun 3, 2014
• Expiry date: Jul 22, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/00245
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The conversion and run length for oligomerization of olefins over a molecular sieve catalyst in a tubular reactor is improved by controlling the peak temperature to not exceed 50 degrees C. above the temperature of the temperature control fluid exiting the shell side outlet of the reactor. A tubular reactor containing molecular sieve catalyst is provided with a multipoint thermocouple in at least one tube, and optionally with a bottom design adapted for fast unloading of the molecular sieve catalyst from the tubular reactor.