Continuous catalytic generation of polyols from cellulose with recycle

US8410319B2 · kind B2 · utility

Assignees

• UOP LLC · US
• DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES · CN

Inventors

• Tom N. Kalnes · Bourbonnais, US
• John Q. Chen · Glenview, US
• Joseph A. Kocal · Gurnee, US
• Tao Zhang · Beijing, CN
• Aiqin Wang · Dalian, CN
• Mingyuan Zheng · Dalian, CN
• Changzhi Li · Lubbock, US
• Jifeng Pang · Dalian, CN

Key dates

• Filing date: Jul 28, 2011
• Grant date: Apr 2, 2013
• Expiry date: Jul 28, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/132
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream.