Innovative Method to Stabilize Liquid Membranes for Removal of Radionuclides from Groundwater

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$75,000.00
Award Year:
1996
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG03-96ER82227
Agency Tracking Number:
34674
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Membrane Technology
1360 Willow Road, Suite 103, Menlo Park, CA, 94025
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. K. A. Lokhandwala
Senior Research Scientist
(415) 328-2228
Business Contact:
Ms. E. G. Weiss
Buisness Manager
(415) 328-2228
Research Institution:
n/a
Abstract
41080 Membrane Technology and Research, Inc. Uranium and other radionuclides have contaminated the groundwater at numerous DOE sites around the United States, and remediation is required. One technology with significant potential uses liquid membranes, which can selectively extract uranium and enrich it 10,000-fold or more by a coupled transport mechanism. In principle, liquid membranes provide an ideal method for recovery of metals from aqueous wastes because three processes - selective extraction, stripping, and regeneration - are combined in a single step. Unfortunately, current liquid membranes are not stable due to loss of carrier. In this project, the resolution of this instability problem by a novel membrane improvement will be evaluated. In Phase I, the feasibility of the approach will be determined in experiments with flatsheet membrane; long-term stability tests will be conducted. In Phase II, a pilot-scale demonstration system will be built and tested, first in the laboratory and later at a suitable DOE field site. Commercial Applications and Other Benefits as described by the awardee: Stable liquid membranes will allow effective and economical remediation of groundwaters containing radionuclides. The improved membranes can also be applied to the separation of other metal ions from aqueous streams in numerous industrial operations.

* 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