REMOVAL OF ORGANIC POLLUTANTS AND WARFARE AGENTS UTILIZING SURFACE MODIFIED FILTRATION ... · 2017....
Transcript of REMOVAL OF ORGANIC POLLUTANTS AND WARFARE AGENTS UTILIZING SURFACE MODIFIED FILTRATION ... · 2017....
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REMOVAL OF ORGANIC POLLUTANTS ANDWARFARE AGENTS UTILIZING SURFACE
MODIFIED FILTRATION DEVICES
29th Environmental and Energy Symposium &Exhibition
April 7-10, 2003.
Hal Alper
PresidentMYCELX Technologies Corporation
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What is MYCELX ?
n A “Curable Polymeric Surface Modification” - Composition Patents: 5,437,793 and 5,746,925
- Chemical Abstract Services (CAS) #173967-80-1 and #173967-81-2
n The reaction product of several natural drying oils, glyceridesand isobutyl methacrylate
n MYCELX cross-links during the curing process (permanently infusinginto the desired substrate)
n MYCELX-infused substrates are extremely“Hydrophobic” & “Oleophilic”
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UNIQUE PROPERTIES OF MYCELX CHEMISTRY
n Permanent bonding into the substrate
n Full transfer of properties upon binding
n Affinity-ability to bind disparate phases of organic compounds
n Fixed footprint
n Low generated pressure differential to filter saturation
n Ability to handle concentrated slugs without clogging
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MYCELX Cartridge Saturation(New vs. 50%)
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KEY ORGANIC COMPOUNDS CAPTURED BYSURFACE MODIFIED FILTRATION DEVICES
n Aromatic Hydrocarbons - BTEXn Cycloalkanesn Crude, Fuels, Lubes Oils, Transformer Oils, Vegetable Oilsn Complex Organics, Monomers & Polymersn POPs (i.e., PCB’s, Dioxin, Pesticides)n Chlorinated Solvents (TCE/PCE)n Phenolicsn MTBEn Heavy Metals existing as Organ-Metallics
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MARINE AND NAVAL BILGE WATER APPLICATION
MYCELX filters employed in treatment of Naval bilge water
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MARINE AND NAVAL BILGE WATER APPLICATION
MYCELX filter removing emulsified oil from discharge wateron oil drilling ship.
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SCHEMATIC OF MYCELX UNIT DEPLOYMENT ONCRUISE SHIP
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PROTECTION OF CROSS FLOW MEMBRANEFILTRATION DEVICES
MYCELX unit protecting Reverse Osmosis unit from organic fouling
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PCB REMEDIATION AT SUPERFUND SITE
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UNDERGROUND UTILITY –PCB & OIL MANHOLEEFFLUENT
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Removal of BTEX and MTBE from ContaminatedSurface Water (ppm)
Sample ID
MTBE
Benzene
Toluene
Ethyl benzene
Xylene*
Inlet #1 ** 87 2.0 12 3.8 24
Discharge #1 0.18 0.004 0.016 0.002 0.012
Knockdown #1 99.8% 99.8% 99.9% 99.9% 99.9%
*Average of all Isomers
**USEPA Method 8020 – Volatile Aromatic Hydrocarbons
Sample ID
MTBE
Benzene
Toluene
Ethyl benzene
Xylene*
Inlet #2 17 0.92 3.2 0.48 2.6
Discharge #2 0.21 0.034 0.14 0.030 0.14
Knockdown #2 98.7% 96.3% 95.6% 94% 95%
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FILTRATION OF AIRBORNE ORGANIC POLLUTANTS
Comparison of Pressure Drop and Dust absorption characteristics
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Time ( sec)
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ater
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MYCELX infused filter challenged withArizona Road Dust
Filter modified with commercial latextacking agent challenged with Arizona RoadDustUnmodified filter challenged with ArizonaRoad Dust
Arizona Road Dust ( 1-10 micron)
1 23
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COMPARISON OF DUST HOLDING CAPACITIES TOA CONSTANT PRESSURE DROP
Arrestance
Dust
holding
Challenged with % capacity
Arizona Road dust alone ( grams)
1.Unmodified filter 37.26 14.16
2.MYCELX infused filter 62.75 50.09
3.Filter modified with commercial tackifier 33.72 16.89
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FILTRATION OF OILY AEROSOLS
Microfine particulatematter
Unmodifiedfilter
Surface modifiedfilter
Mixed oilyaerosol andparticulateinfluent
Collection of microfine particulates by surface modified filters inmixed oily aerosol air stream
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PURIFICATION OF AIR IN HOSPITALS
Picture showing the difference between new and used filter utilized to purify incomingair at SLOAN KETTERING Cancer Research Center. Filter has turned black due to Dieselsoot emissions from city buses which stop near air intake.
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CONCLUSIONS
• Incorporation of emerging technologies with filter technology is making itpossible for filter media to perform to more rigorous emergentregulations.
• Surface modification of filtration devices with MYCELX renders itamenable to fulfilling outstanding requirements in military, industrial andmedical applications
• Surface modified filtration devices are highly efficient with no re-entrainment or re-release of contaminants.
• Provide the “safety margin” to meet stricter environmental dischargerequirements.
• Protect expensive technologies from mixed particulates/oily influent.
• Non-toxic and Approved by EPA and California Fish & Game Commissionfor Pollution Remediation. Easily & inexpensively disposed (No ResidualWater).