Dual process for obtaining olefins

US5952539A · kind A · utility

Assignee

• Exxon Chemical Patents, Inc. · US

Inventors

• Noel M. Seimandi · Brussels, BE
• Tony T. Cheng · Seabrook, US
• Willibald Serrand · Buxheim, DE
• Mitchell Jacobson · West Orange, US
• Paul K. Ladwig · Dover, US
• John F. Pagel · Cedar Knolls, US
• Michael R. Parrish · Morristown, US
• Hans A. Weisenberger · Tervuren, BE

Key dates

• Filing date: Feb 21, 1997
• Grant date: Sep 14, 1999
• Expiry date: Feb 21, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10G2400/20
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for producing normally gaseous olefins from two different process units sharing common downstream quench and fractionation facilities, wherein one of the process units is a short contact time mechanically fluidized vaporization unit for processing petroleum residual feedstocks and the other is a conventional steam cracking unit.