VOC REMOVAL FROM AIR FORCE WASTEWATER STREAMS

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$75,284.00
Award Year:
1993
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
19835
Agency Tracking Number:
19835
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1360 Willow Road, Suite 103, Menlo Park, CA, 94025
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
J. G. Wijmans
(415) 328-2228
Business Contact:
() -
Research Institute:
n/a
Abstract
Many Air Force base operations produce wastewater streams containing dissolved volatile and nonvolatile organics, suspensed solids, emulsified oils, and dissolved metal ions. Discharge of these streams, untreated, to the municipal sewer is increasingly unacceptable. Dissolved volatile organic compunds (VOCs) are the principal problem; their removal would usually make the water dischargeable. MTR is developing a technology that combines air stripping, to remove VOCs from water, with membrane vapor separation, to remove the VOCs from the resulting air stream. In this program, we propose to use a batch jet aeration unit controlled by a microprocessor for the air-stripping step. This unit will be more resistant to fouling by suspended solids and emulsified oils than the packed column aeration system used to date. Also, by adjusting the timing of the aeration cycle, the degree of VOC removal and the volume flow of the stream treated can be controlled. This is important in applications at Air Force bases, where the composition and flow of water to the unit may vary over a wide range. The overall technical feasibility of the approach will be tested in Phase I. A proof-of-concept pilot system will be built and demonstrated in Phase II.

* information listed above is at the time of submission.

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