Enhanced Distillation via Membranes for Elimination of Trapped Water

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-06ER84530
Agency Tracking Number: 80141S06-I
Amount: $750,000.00
Phase: Phase II
Program: SBIR
Awards Year: 2007
Solicitation Year: 2006
Solicitation Topic Code: 21
Solicitation Number: DE-FG01-05ER05-28
Small Business Information
Compact Membrane Systems, Inc.
325 Water Street, Wilmington, DE, 19804
DUNS: 808898894
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kenneth Pennisi
 Mr
 (302) 999-7996
 kpennisi@compactmembrane.com
Business Contact
 Stuart Nemser
Title: Dr
Phone: (302) 999-7996
Email: snemser@compactmembrane.com
Research Institution
N/A
Abstract
Distillation is a major chemical unit operation and consumer of significant energy. Often, water or some other intermediate boiling component can become trapped within the distillation column and accumulate. This causes various operating difficulties such as flooding, slugging, cycling, instability, and off-spec product. This project will develop a chemically-resistant, non-porous, water-venting membrane technology to improve distillation operating efficiency in systems that are prone to water trapping. In Phase I, chemically and thermally resistant membrane modules were fabricated and used to separate water from target distillation products. The membrane process was modeled and simulated, and an economic analysis was performed to quantify the economic and energy value of eliminating the trapped water. Phase II will demonstrate that the technology: (1) can be used to significantly reduce the concentration of water in a specific process when water trapping is occurring; (2) has the necessary mechanical strength and chemical resistance to provide stable performance over extended periods of exposure to process materials at the process temperature and pressure; and (3) will provide economic benefits in comparison to other available techniques. Commercial Applications and Other Benefits as described by the awardee: Water is a ubiquitous substance and is a common cause of component trapping problems in distillation columns. The membrane technology should enhance the distillation process in many situations when distillation trapping is a major problem. The membrane technology should have additional value in other distillation applications where removal of water is difficult (e.g., azeotropes).

* information listed above is at the time of submission.

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