liquid sulfur dioxide-benzene process

liquid sulfur dioxide-benzene process

[′lik·wəd ′səl·fər dī′äk‚sīd ben′zēn ‚prä·səs]
(chemical engineering)
A petroleum-refinery process using a mixed solvent (SO2 and benzene) to dewax lubricating oils or improve their viscosity indices.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.