Activation of dual catalyst systems

US9415385B2 · kind B2 · utility

Assignee

• EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

• Terry E. Helton · Conroe, US
• Benjamin S. Umansky · Fairfax, US
• William J. Tracy, III · Cumberland, US
• Stephen J. McCarthy · Center Valley, US
• Timothy L. Hilbert · Sewell, US
• Mohan Kalyanaraman · Media, US
• Christopher G. Oliveri · Stewartsville, US

Key dates

• Filing date: Nov 15, 2012
• Grant date: Aug 16, 2016
• Expiry date: May 31, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10G2300/703
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Methods are provided for liquid phase activation of dewaxing and/or hydrofinishing catalysts that include a molecular sieve or other acidic crystalline support. The methods are compatible with activating the catalysts as part of a catalyst system that also includes a hydrotreating catalyst.