REVERSE-OSMOSIS MODULE FOR SPACECRAFT WASHWATER RECYCLE

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$283,165.00
Award Year:
1984
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
660
Agency Tracking Number:
660
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
64550 Research Road, Bend, OR, 97701
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Walter C. Babcock
() -
Business Contact:
() -
Research Institute:
n/a
Abstract
EXTENDED SPACE MISSIONS REQUIRE EXTENSIVE RECYCLING OF WATERTO PERMIT FREQUENT WASHING AND BATHING OF THE CREW. REVERSEOSMOSIS (RO), OFTEN CALLED HYPERFILTRATION, PROMISES TO BE A UNIQUELY SUITED TECHNOLOGY FOR WATER RECYCLING IN SPACECRAFT. HOWEVER, CURRENT MEMBRANE MODULE DESIGNS HAVE TWO MAJOR SHORTCOMINGS FOR THIS APPLICATION: (1) THEY ARE EASILY FOULED BY BACTERIA AND SUSPENDED MATTER FOUND IN WASHWATER, AND (2) THEY ARE RELATIVELY HEAVY. THIS EFFORT INVESTIGATES A NEW TYPE OF RO MEMBRAME MODULE BASED ON A TUBE-SIDE-FEED HOLLOW-FIBER MEMBRANE CONFIGURATION THAT OVERCOMES BOTH SHORTCOMINGS. POSITIVE FEED FLOW WITHIN THE HOLLOW-FIBER LUMENS IS EXPECTED TO MINIMIZE FOULING. BECAUSE THE FIBERS THEMSELVES SERVE AS PRESSURE VESSELS, NO HEAVY EXTERNAL PRESSURE VESSEL IS REQUIRED. IT IS ESTIMATED THAT A MODULE OF THIS DESIGN WOULD BE ABOUT 1/16 THE WEIGHT OF A CONVENTIONAL MODULE AND WOULD REQUIRE ABOUT 1/2 THE SPACE. THE PHASE I PROGRAM DEMONSTRATES THE FOULINGRESISTANCE OF THIS MODULE CONFIGURATION DURING PROLONGED TREATMENT OF ACTUAL WASHWATER USING WATER-DESALTING MODULES ALREADY UNDER DEVELOPMENT. A PROTOTYPE LIGHT-WEIGHT , HIGH PRODUCTIVITY MODULE SPECIFICALLY DESIGNED FOR WASHWATER RECYCLING IS CONSTRUCTED AND TESTED. BASED ON THE TECHNICALRESULTS, A DESIGN ANALYSIS OF RO FOR SPACE VEHICLE WASHWATERRECYCLING IS CONDUCTED.

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government