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US 2012/0067220 A1Published application
Filtration Media And Applications Thereof
AssigneePPG Industries Ohio, Inc.
InventorsVedagiri Velpari, Jian Meng, Paul A. Westbrook, Timothy E. Marsh, Steven Joel Parks
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Abstract
In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.
Claims36
A filtration medium comprising:
- a pollutant absorbent layer comprising a plurality of activated carbon fibers;
- a first woven fabric;
- and
- a second woven fabric;
- wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.
2 more elements
A filtration medium comprising:
- a pollutant absorbent layer comprising a plurality of activated carbon fibers treated with a mercury retention species;
- a first woven fiber glass fabric;
- and
- a second woven fiber glass fabric;
- wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric and wherein the pollutant absorbent layer is needled, stitch bonded, or adhered by an adhesive layer to the first woven fabric and the second woven fabric.
2 more elements
A method of producing a filtration medium comprising:
- providing a pollutant absorbent layer comprising activated carbon fibers;
- positioning a first woven fabric adjacent to a first surface of the pollutant absorbent layer;
- positioning second a woven fabric adjacent to a second surface of the pollutant absorbent layer;
- and
- coupling the first woven fabric and the second woven fabric to the pollutant absorbent layer.
2 more elements
Dependencies are inferred from the claim text.