Membrane separation process using mixed vapor-liquid feed
AssigneeExxonMobil Research and Engineering Company
InventorsRandall D. Partridge, Walter Weissman, Bal K. Kaul, Craig Y. Sabottke, Sanjay K. Bhatia
Life of this patent
Estimating the term…
Abstract
The present invention pertains to a process for the separation of aromatics from a feed stream, including aromatics and non-aromatics by selectively permeating the aromatics through a membrane comprising feeding a mixed phase vapor-liquid feed to a membrane wherein said liquid phase preferentially wets the surface of the membrane.
Claims10
A process for the separation of aromatics from a feedstream, including aromatics and non-aromatics and having a boiling range of at least 50° C., by selectively permeating the aromatics through a membrane comprising feeding a mixed phase vapor-liquid feed to a membrane wherein feed pressure Pf and feed temperature Tf are selectively controlled to condense a liquid layer upon the feed side of the membrane having an aromatics concentrate at least 25% greater than the feed stream.
Dependencies are inferred from the claim text.