A Compact, Low-Cost, Near-UV Sensor for Chlorine Dioxide

Award Information
Agency:
Environmental Protection Agency
Branch
n/a
Amount:
$70,000.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
EP-D-06-057
Award Id:
79841
Agency Tracking Number:
EP-D-06-057
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1570 Pacheco St., Suite E-11, Santa Fe, NM, 87505
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
153579891
Principal Investigator:
David Bomse
Principla Research Scientist
(505) 984-1322
dbomse@swsciences.com
Business Contact:
Alan Stamtopm
Presidemt
(505) 984-1322
astanton@swscience.com
Research Institution:
n/a
Abstract
Southwest Sciences proposes the development of an optical, near-ultraviolet chlorine dioxide sensor having a measurement range for about 0.01 to 2000 ppm with a response time of less than 10 seconds. The sensors will be compact - about the size of a 1quart milk carton including electronic and optics - operate a low power, and be outfitted with wireless communications interface to permit remote, unattended operation. Intrinsically safe design is possible. The proposed measurement method is linear, free of hysteresis and free of interference from common atmospheric gasses as well as urban and industrial pollutants. The sensors will operate well as high humidity and will be able to tolerate moisture condensation. Analyzers will retain calibration for extended periods (many months). Commercial applications include real-time sensors for monitoring and controlling ClO2 decontamination of building and other enclosed spaces, and for monitoring chloride dioxide water purification processes and facilities. In Phase II, we will try to extend the diode-laser method to chlorine detection; that will provide extra utility for characterization and for monitoring combined ClO2/Cl2 decontamination and purifications processes. We also plan to participate in EPA¿s Environmental Technology Verifications (ETV) program in order to establish performance specifications for the prototype analyzer.

* information listed above is at the time of submission.

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