Dean%Smith,%Vice%President%for%Engineering July,%2015 dean ... · EPA’s 12 Principles of Green...
Transcript of Dean%Smith,%Vice%President%for%Engineering July,%2015 dean ... · EPA’s 12 Principles of Green...
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Dean Smith, Vice President for EngineeringJuly, 2015
[email protected]‐269-‐8007
www.ossmaine.com1
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Team OSS
• Spun out of University of Maine
• DoD R&D Contractor (Army) for Chem/Bio Detection Research
• Actively commercializing our technologies
Customer Interaction Field Testing
Military Live Agent Testing
CONFIDENTIAL2
Who We Are
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“We don’t make the detectors……We make the detectors work better”
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What We Do
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Membrane Based Extraction
Analyze usingIR Spectroscopy
OSS Technology Overview
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CONFIDENTIAL5
Power of IR Analysis
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Power of IR Analysis
Peak Height à Concentration
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The Heart of OSS Extraction Technology
Oil Capturing Membrane
Disposable Housing
U.S. Patent # 8,393,198 B2
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EPA’s 12 Principles of Green Chemistry
OSS Extractor
Note
1) Prevention YES No waste to treat/clean 2) Atom economy N/A 3) Less hazardous chem. synthesis N/A 4) Designing safer chemicals YES Non-toxic extractor design 5) Safer solvents and auxiliaries YES Solventless!! 6) Design for energy efficiency YES Minimal energy use, no fume hoods, no
evaporators, no large quantities of hazmat materials to transport
7) Use renewable feedstock YES Uses small amount of plastic and metal material that can be reused/recycled
8) Reduce derivatives N/A 9) Catalysis N/A 10) Design for degradation N/A Uses small amounts of plastic and metal
materials that may be reused / recycled. 11) Analyze in real time to prevent
pollution YES Analysis can be performed on-site and in real-
time, portable technology 12) Inherently safer chemistry for
accident prevention YES No solvents or hazardous materials, safe analysis
process minimal potential of chemical accident
Green Chemistry!(this matrix developed with Richard Engler USEPA Green Chemistry Office)
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Technology Applications
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• Seeking High Sensitivity Oil Analyzer:• Improve manufacturing process control
• Maximize product quality• Identify sources of contamination
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Oil Monitoring in Industrial Fluids
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Technology Applications
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OSS Solution:Oil and Grease in Anhydrous Ammonia
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Current Oil in AA Methodologies• Modified 1664:– Sample is collected– Sample is evaporated – Analyte (oil) is resuspended in water– Liquid-‐Liquid extraction with hexane– Hexane is evaporated– Extractables measured gravimetrically
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Matrix
Solvent
2. SolventEvaporated (2-10 hours)
3. Weigh “extractables”
1. Liquid-Liquid Extraction(LLE) (~25 minutes)
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• Extractor is easily transported • Uses same Extractor concept as urea liquor, tailored for AA• Technology is currently being used at several major fertilizer facilities• Actively developing ASTM / ISO methods
CONFIDENTIAL16
5 Seconds
Oil Analysis in AA
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Measuring Oil and Grease in AA
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1. Fill Syringe with AA 2. Attach OSS Extractor
3. Process Sample Through Extractor
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Measuring Oil and Grease in AA
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Peak Height à Concentration
4. Measure with IR
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Oil in AA Demonstration Video
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Linear Range of DetectionDetection Limit ~ 0.2 ppm
Quantification Limit ~0.5 ppmMinimum Reporting Limit < 1 ppm
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0 5 10 15 20 25
Detector R
esponse
Spike Amount (mg / L)
AA Spike Series
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Sampling – Yazoo City, MS
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CONFIDENTIAL22
On Site Analysis of Oil in AAYazoo City, MS
0 2 4 6 8 10 12
Spike Re
spon
se
Spike Addition Amount (ppm)
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Sampling – Port Neal, IA
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Sampling -‐ Port Neal, IA
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CONFIDENTIAL25
On Site Analysis of Oil in AAPort Neal Plant
0 2 4 6 8 10 12
Spike R
espo
nse
Spike Addition Amount (ppm)
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Technology Applications
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Oil In Urea Liquor/DEF Overview
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05101520253035404550
0 5 10 15 20 25 30 35 40
Respon
se, m
g/L
Spike Amount, mg/L
Linear Range of WK43386Detection Limit ~ 0.1 ppm
Quantification Limit ~0.5 ppmMinimum Reporting Limit < 1 ppm
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Oil Contamination in API Certified DEF
A B C D
Oil Co
ncen
tration
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Quant. Limit forExisting IR BasedTechnologies
Quant. LimitFor ASTMWK43386
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Technology Applications
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ASTM D7575:Replaces Outdated “EPA 1664”
Matrix
Solvent
2. SolventEvaporated (2-10 hours)
3. Weigh “extractables”
1. Liquid-Liquid Extraction(LLE) (~25 minutes)
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OSS Technology Overview
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