Spiral fixed-bed module for adsorber and catalytic reactor

Details Spiral fixed-bed module for adsorber and catalytic reactor Spiral fixed-bed module for adsorber and catalytic reactor

1997-04-29

1999-06-29

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including solid, extended surface, fluid contact reaction...

422218, 422177, 422181, 55520, 210304, 2103218, 2105021, B01J 802, B01D 2907, B01D 5314

Patent

active

059165316

ABSTRACT:
A spiral fixed-bed module used to provide contact and interaction between a fluid stream and solid particles, comprises a fluid distribution element formed by a pair of laterally coextensive envelope-like fluid communication channels being spirally wound into a cylindrical structure with adjacent layers spaced apart forming spiral loops of spaces of uniform width. The element is then disposed in a cylindrical casing, and immobilized therein by packing solid particles into the spaces between the layers of the spiral channels, and the spaces between external surfaces of the element and inner surfaces of the casing. A fluid stream introduced into a first of the channels will be directed to flow through the solid particle layers via the porous side walls of the distribution channels, and exit from the second channel. The module packed with adsorbent particles provides a thin-bed adsorber, and can use very small adsorbent particles for efficient adsorption without giving rise to high pressure drop. Alternatively, the module may be packed with catalyst particles to provide an effective catalytic reactor with improved mass transfer between the catalyst particles and surrounding fluid stream containing the reactants.

REFERENCES:
patent: 5139668 (1992-08-01), Pan et al.
patent: 5338450 (1994-08-01), Maurer
patent: 5651800 (1997-07-01), Mizuno et al.

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