Title:
APPARATUS FOR TREATING RECYCLED POLYETHYLENE TEREPHTHALATE CONTAINING DENSE CONTAMINANTS
Document Type and Number:
WIPO Patent Application WO2004090021
Kind Code:
A3
Abstract:
Apparatus (10) for treating RP T containing dense contaminants comprises a manifold (12) positioned within a chamber (14), said chamber (14) adapted to contain a fluidized bed, said manifold (12) adapted for conveying a bed fluidizing fluid there through, a plurality of apertures in said manifold (12) for communicating a fluid from said manifold (12) to said chamber (14), said apertures positioned below the midline (18) of said manifold (12), and a plurality of concave surface features (20) on said manifold (12, said concave surface features (20) positioned above the midline (18) of said manifold (12), said concave surface features (20) adapted to receive and retain dense contaminants from a fluidized bed.
Inventors:
HAYWARD DONALD W (US)
WITHAM DANIEL L (US)
WITHAM DANIEL L (US)
Application Number:
PCT/US2004/009764
Publication Date:
September 15, 2005
Filing Date:
March 31, 2004
Export Citation:
Assignee:
PHOENIX TECHNOLOGIES INT (US)
HAYWARD DONALD W (US)
WITHAM DANIEL L (US)
HAYWARD DONALD W (US)
WITHAM DANIEL L (US)
International Classes:
B01J8/08; B01J8/18; B01J8/24; B01J8/28; C08G63/183; C08J; (IPC1-7): B01J8/08; B01J8/18
Foreign References:
| US4306815A | 1981-12-22 | |||
| US5085170A | 1992-02-04 | |||
| US6699444B1 | 2004-03-02 |
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