| US 7,501,012 B2 | ||
| Microfibrous entrapment of small reactive particulates and fibers for high contacting efficiency removal of contaminants from gaseous or liquid streams | ||
| Bruce J. Tatarchuk, Auburn, Ala. (US); Bong Kyu Chang, Knoxville, Tenn. (US); Yong Lu, Shanghai (China); Laiyuan Chen, Tulsa, Okla. (US); Eric Luna, Auburn, Ala. (US); and Don Cahela, Auburn, Ala. (US) | ||
| Assigned to Auburn University, Auburn, Ala. (US) | ||
| Filed on Aug. 26, 2004, as Appl. No. 10/926,831. | ||
| Claims priority of provisional application 60/498255, filed on Aug. 26, 2003. | ||
| Prior Publication US 2005/0169820 A1, Aug. 04, 2005 | ||
| Int. Cl. B01D 53/02 (2006.01); B01D 29/07 (2006.01) | ||
| U.S. Cl. 96—132 [96/153; 96/154; 55/524; 55/527; 422/122; 210/502.1; 210/504; 210/506] | 15 Claims |
| 1. A filtration system comprising:
a) a plurality of layers, each layer being reactive and including a matrix of sinter-bonded microfibers;
b) support, adsorbent or reactive particulates and/or fibers entrapped within said matrix;
c) a pre-selected reactive material impregnated into said matrix and supported by said particulates and/or fibers;
d) wherein thin sheets of the matrix with the supporting particulates, reactants, adsorbents and/or fibers and the pre-selected
reactive materials impregnated therein are chemically functionalized and then stacked in a pre-defined sequence; and
e) wherein the predefined sequence has an upstream packed bed of larger diameter reactive catalyst and sorbent particulates
and a downstream polishing layer of smaller diameter microfibrous entrapped reactive catalyst and sorbent particulates; and
f) wherein the filtration system removes contaminants from liquid and gaseous streams.
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