Olefins from methanol and/or dimethyl ether

US4476338A · kind A · utility

Assignee

• Mobil Oil Corporation · US

Inventors

• Clarence D. Chang · Princeton, US
• Cynthia T-W. Chu · Princeton Junction, US
• Patrick D. Perkins · Sunnyvale, US
• Ernest W. Valyocsik · Yardley, US

Key dates

• Filing date: Jun 2, 1983
• Grant date: Oct 9, 1984
• Expiry date: Jun 2, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/52
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for converting methanol and/or dimethyl ether to olefins at moderate temperature and atmospheric pressure comprising contacting the feed with an alumina crystalline zeolite catalyst designated as ZSM-48. The olefins formed can then be converted to a low-durene gasoline over ZSM-5 type catalysts under conventional aromatizing conditions or to a distillate boiling above the gasoline range.