Carbon fiber composite molecular sieve electrically regenerable air filter media

Wilson, Kirk A; Burchell, Timothy D; Judkins, Roddie R

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
A41 - wearing apparel
A42 - headwear
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B - performing operations
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C01 - inorganic chemistry
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Title: Carbon fiber composite molecular sieve electrically regenerable air filter media

Abstract

An electrically regenerable gas filter system includes a carbon fiber composite molecular sieve (CFCMS) filter medium. After a separate medium-efficiency pre-filter removes particulate from the supply airstream, the CFCMS filter sorbs gaseous air pollutants before the air is recirculated to the space. When saturated, the CFCMS media is regenerated utilizing a low-voltage current that is caused to pass through the filter medium.

Inventors:

Wilson, Kirk A ^[1]; Burchell, Timothy D ^[2]; Judkins, Roddie R ^[1]

Knoxville, TN
Oak Ridge, TN

Issue Date:: 1998-01-01

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 871929

Patent Number(s):: 5827355

Assignee:: Lockheed Martin Energy Research Corporation (Oak Ridge, TN)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2253/102 - Carbon
B01D2253/116 - Molecular sieves other than zeolites
B01D2253/25 - Coated, impregnated or composite adsorbents
B01D2253/311 - Porosity, e.g. pore volume
B01D2253/34 - Specific shapes
B01D2258/06 - Polluted air
B01D2259/40096 - by using electrical resistance heating
B01D2259/4508 - for cleaning air in buildings
B01D53/02 - by adsorption, e.g. preparative gas chromatography {
B01D53/0415 - {Beds in cartridges}
B01D53/0438 - {Cooling or heating systems}
B01D53/047 - Pressure swing adsorption

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S95/903 - Carbon

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DOE Contract Number:: AC05-96OR22464; AC05-84OR21400

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: carbon; fiber; composite; molecular; sieve; electrically; regenerable; air; filter; media; gas; cfcms; medium; separate; medium-efficiency; pre-filter; removes; particulate; supply; airstream; sorbs; gaseous; pollutants; recirculated; space; saturated; regenerated; utilizing; low-voltage; current; caused; pass; air filter; gas filter; filter media; carbon fiber; molecular sieve; filter medium; fiber composite; air pollutants; composite molecular; voltage current; electrically regenerable; /95/55/96/

Citation Formats


                    Wilson, Kirk A, Burchell, Timothy D, and Judkins, Roddie R. Carbon fiber composite molecular sieve electrically regenerable air filter media.  United States: N. p., 1998. 
        Web.

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                    Wilson, Kirk A, Burchell, Timothy D, & Judkins, Roddie R. Carbon fiber composite molecular sieve electrically regenerable air filter media.  United States.

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                    Wilson, Kirk A, Burchell, Timothy D, and Judkins, Roddie R. Thu .  
        "Carbon fiber composite molecular sieve electrically regenerable air filter media".  United States.  https://www.osti.gov/servlets/purl/871929.

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@article{osti_871929,

  title        = {Carbon fiber composite molecular sieve electrically regenerable air filter media},

  author       = {Wilson, Kirk A and Burchell, Timothy D and Judkins, Roddie R},

  abstractNote = {An electrically regenerable gas filter system includes a carbon fiber composite molecular sieve (CFCMS) filter medium. After a separate medium-efficiency pre-filter removes particulate from the supply airstream, the CFCMS filter sorbs gaseous air pollutants before the air is recirculated to the space. When saturated, the CFCMS media is regenerated utilizing a low-voltage current that is caused to pass through the filter medium.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1998},

  month        = {1}

}

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Works referenced in this record:

The effect of neutron irradiation on the structure and properties of carbon-carbon composite materials
journal, September 1992

Burchell, T. D.; Eatherly, W. P.; Robbins, J. M.
Journal of Nuclear Materials, Vol. 191-194, p. 295-299
https://doi.org/10.1016/S0022-3115(09)80053-6

Separation of Gases by Pressure Swin
journal, July 1991

Jasra, R. V.; Choudary, N. V.; Bhat, S. G. T.
Separation Science and Technology, Vol. 26, Issue 7
https://doi.org/10.1080/01496399108050504

Synthesis and characterization of activated pitch-based carbon fibers
journal, July 1993

Thwaites, M. W.; Stewart, M. L.; McNeese, B. E.
Fuel Processing Technology, Vol. 34, Issue 2
https://doi.org/10.1016/0378-3820(93)90096-M

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Carbon fiber composite molecular sieve electrically regenerable air filter media

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An electrically regenerable gas filter system includes a carbon fiber composite molecular sieve (CFCMS) filter medium. After a separate medium-efficiency pre-filter removes particulate from the supply air stream, the CFCMS filter sorbs gaseous air pollutants before the air is recirculated to the space. When saturated, the CFCMS media is regenerated utilizing a low-voltage current that is caused to pass through the filter medium. 3 figs.
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A method for separating gases or other fluids involves placing a magnetic field on a monolithic carbon fiber composite sorption material to more preferentially attract certain gases or other fluids to the sorption material to which a magnetic field is applied. This technique may be combined with the known "pressure swing adsorption" technique utilizing the same sorption material.
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Similar Records

Title: Carbon fiber composite molecular sieve electrically regenerable air filter media

Abstract

Citation Formats

The effect of neutron irradiation on the structure and properties of carbon-carbon composite materials journal, September 1992

Separation of Gases by Pressure Swin journal, July 1991

Synthesis and characterization of activated pitch-based carbon fibers journal, July 1993

The effect of neutron irradiation on the structure and properties of carbon-carbon composite materials
journal, September 1992

Separation of Gases by Pressure Swin
journal, July 1991

Synthesis and characterization of activated pitch-based carbon fibers
journal, July 1993