Apparatus for effecting chemical and/or physical reactions

Details Apparatus for effecting chemical and/or physical reactions Apparatus for effecting chemical and/or physical reactions

1993-10-25

1995-09-26

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422143, 422145, 422192, 422213, 210189, 34583, 110245, B01J 818, F27B 1508, F26B 1700, F23G 500

Patent

active

054532540

ABSTRACT:
Disclosed are a process and apparatus for effecting chemical and/or physical reactions by means of solid-gas contact. The apparatus has a shaftlike reaction chamber widening in upward direction and divided into compartments by means of horizontal grids. The process is performed by introducing a particulate solid of about 0.5 to 5 millimeters particle size into the reaction chamber and passing a gas stream in upward direction through that chamber at an output sufficient to keep the particles in floating condition. A floating bed of solid particles will be formed in the reactors then and excellent solid-gas contact suitable for affecting chemical and physical reactions is provided hereby. A special embodiment relates to the removal of nitrogen oxides from flue gases with the aid of a particulate catalyst.

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