B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/370, 23/423
B01J 8/44 (2006.01) B01J 8/18 (2006.01) C10C 3/14 (2006.01)
Patent
CA 1332201
- 25 - ABSTRACT OF THE DISCLOSURE Disclosed herein are a fluidized-bed reaction apparatus comprising : a perforated plate located in the lower portion of a fluidized-bed reaction tower for forming fluidized-bed of particles thereon, the perforated plate having regions with different opening ratio, at least outer peripheral portion of the perforated plate having a larger opening ratio than an average opening ratio of the perforated plate, the ratio of the area of the portion having the larger opening ratio than the average opening ratio to the area of the portion having an opening ratio not more than the average opening ratio being 1 : 15 to 1 : 2, and an average opening ratio of the portion having the larger opening ratio than the average opening ratio being 2 to 8 times larger than an average opening ratio of the- portion having the open ratio not more than the average opening ratio, an inlet of a heating-fluidizing gas located below the perforated plate; an outlet of the particles located above the perforated plate; an inlet of the particles receiving the reaction in the fluidized-bed, located in the upper portion of the reaction tower and above the fluidized-bed formed on the perforated plate; and an outlet of a discharge gas located at the top of the reaction tower, and a fluidized-bed reaction process using such an apparatus.
585577
Okamoto Tsuneo
Sakaguchi Yasuo
Goudreau Gage Dubuc
Kureha Kagaku Kogyo Kabushiki Kaisha
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