RECOVERY OF ORGANIC SOLVENT VAPORS BY MEMBRANES

Award Information
Agency: Environmental Protection Agency
Branch: N/A
Contract: N/A
Agency Tracking Number: 8216
Amount: $149,922.00
Phase: Phase II
Program: SBIR
Awards Year: 1989
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
1360 Willow Road, Menlo Park, CA, 94025
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Jg Wijmans
 (415) 328-2228
Business Contact
Phone: () -
Research Institution
N/A
Abstract
ORGNAIC VAPOR-LADEN INDUSTRIAL AIRSTREAMS ARE A GROWING POL-LUTION PROBLEM AND A WASTE OF RESOURCES. THE METHODS NOW AVAILABLE FOR TREATING THESE AIRSTREAMS ARE INADEQUATE, ESPECIALLY WHERE CHLOROFLUOROCARBON SOLVENTS ARE INVOLVED. THE USE OF MEMBRANES TO RECOVER ORGANIC VAPORS FROM CONTAMI-NATED AIR HAS BEEN STUDIED AT MEMBRANE TECHNOLOGY AND RE- INC. SINCE 1982, AND THEY HAVE COMPLETED LABORATORY TESTS OFA ONE-MODULE BENCH-SCALE SYSTEM. THE GOAL OF THE PROPOSED PROGRAM IS TO TACKLE THE SYSTEMS DESIGN AND ENGINEERING PROBLEMS RELATED TO SCALING UP TO A COMMERCIAL SYSTEM. THE PROJECT WILL ALSO PROVIDE FIELD DATA ON SYSTEM RELIABILITY, EFFICIENCY AND ECONOMICS THT WILL SHOW THE ADVANTAGES OF MEMBRANE-BASED SYSTEMS COMPARED TO COMPETITIVE TECHNOLOGIES SUCH AS CARBON ABSORPTION, INCINERATION, AND CONDENSATION. IN THE PHASE I PROGRAM, THE INVESTIGATORS WILL USE AN EXIST-ING MODULE TEST UNIT TO STUDY SOLVENT VAPOR STREAMS MODELED ON THOSE FOUND AT COLLABORATING HOST PLANTS. BASED ON T THESE STUDIES, THE MOST PROMISING FIELD SITE WILL BE SEL- ECTED AND A PILOT SYSTEM DESIGNED. IN THE PHASE II PROGRAM WOULD BE CONSTRUCTED AND EVALUATED IN THE LABORATORY AND IN THE FIELD. THE MOST PROMISING INITIAL COMMERCIAL APPLICATIONS OF A MEM-BRANE VAPOR RECOVERRY SYTEM ARE CHLOROFLUOCARBON RECOVERY FROM DEGREASING PLANTS AND FOAM BLOWING PLANTS, AND RECOVERYFROM CONCENTRATED STREAMS GENERATED FROM THE CHLOROFLUORCAR-BON MANUFACTURING PROCESS. IN THE LONG TERM, HOWEVER, MEM- BRANE-BASED SYSTEMS COULD FIND APPLICATION IN MANY OTHER IN-DUSTRIES WHERE SOLVENT RECOVERY IS DESIRABLE.

* Information listed above is at the time of submission. *

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