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A NOVEL INTEGRATED OPTIC SENSOR FOR IN-LINE MEASUREMENT OF MIXING QUALITY IN…

Award Information

Agency:
Department of Energy
Branch:
N/A
Award ID:
17663
Program Year/Program:
1992 / SBIR
Agency Tracking Number:
17663
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
PHOTONIC SENSOR SYSTEMS, INC.
430 10TH ST, STE S-102 ATLANTA, GA 30318
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1992
Title: A NOVEL INTEGRATED OPTIC SENSOR FOR IN-LINE MEASUREMENT OF MIXING QUALITY IN CHLORINE DIOXIDE PULP BLEACHING
Agency: DOE
Contract: N/A
Award Amount: $50,000.00
 

Abstract:

THIS PROJECT ADDRESSES THE DEVELOPMENT OF AN IN-LINE SENSOR FOR MEASURING MIXING QUALITY IN CHLORINE DIOXIDE PULP BLEACHING. THE SENSOR IS BASED ON A PROPRIETARY, INTEGRATED OPTICAL INTERFEROMETER. THE INTERFEROMETER'S UNIQUE DESIGN MINIMIZES THERMOMECHANICAL NOISE TO PROVIDE A HIGHLY STABLE PLATFORM CAPABLE OF DETECTING LOW CONCENTRATIONS OF SPECIFIC CHEMICALS IN FLUID ENVIRONMENTS WITH HIGH SPATIAL RESOLUTION. THE APPROACH RELIES ON THE DETECTION OF SMALL REFRACTIVE INDEX CHANGES IN A THIN SURFACE FILM. SPECIFICITY FOR CHLORINE DIOXIDE IS ACHIEVED BY USING A SURFACE FILM THAT IS REACTIVE OR INTERACTIVE WITH CHLORINE DIOXIDE. A MIXING SENSOR BASED ON THIS APPROACH HAS SEVERAL KEY ADVANTAGES: (1) IT ALLOWS REAL-TIME, CONTINUOUS, IN-SITU MONITORING; (2) IT HAS A BROAD DYNAMIC RANGE, YET IS CAPABLE OF SENSITIVITIES DOWN TO THE PPB LEVEL; (3) IT CAN BE FULLY REVERSIBLE; AND (4) IT PERMITS SPATIAL RESOLUTION WELL BELOW 1 MILLIMETER. THE RESULTING PRODUCT WILL BE SUITABLE FOR ASSESSING BOTH MACROSCOPIC AND MICROSCOPIC MIXING, AND IT WILL PERMIT AUTOMATED FEEDBACK CONTROL OF PULP MIXERS. MOREOVER, DEVELOPMENT OF SENSORS FOR OTHER BLEACHING CHEMICALS (E.G., OZONE, HYDROGEN PEROXIDE) WOULD BE A DIRECT EXTENSION OF THIS EFFORT. IN PHASE I, A PRELIMINARY SELECTION OF CANDIDATE WAVEGUIDE COATINGS WILL BE MADE AND THEY WILL BE SCREENED AND OPTIMIZED FOR THEIR RESPONSE TO AQUEOUS SOLUTIONS OF CHLORINE DIOXIDE.

Principal Investigator:


0

Business Contact:

Small Business Information at Submission:

Photonic Sensor Systems Inc
430 Tenth St Nw Suite S-102 Atlanta, GA 30318

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No