US 6,982,060 B2 | ||
Chemical decontamination liquid decomposing system having catalyst tower and catalyst tower therefor | ||
Motoaki Sakashita, Hitachi (Japan); Katsuo Yokota, Hitachi (Japan); Yasushi Kobayashi, Tokai (Japan); and Kazumi Anazawa, Hitachi (Japan) | ||
Assigned to Hitachi, Ltd., Tokyo (Japan); and Hitachi Engineering Co., Ltd., Ibaraki (Japan) | ||
Filed on Jun. 14, 2004, as Appl. No. 10/865,840. | ||
Application 10/865840 is a continuation of application No. 09/791693, filed on Feb. 26, 2001, granted, now 6,767,519. | ||
Claims priority of application No. 2000-077767 (JP), filed on Mar. 15, 2000. | ||
Prior Publication US 2004/0234413 A1, Nov. 25, 2004 | ||
Int. Cl. B01J 8/02 (2006.01) |
U.S. Cl. 422—1 | 9 Claims |
1. A method of decomposing a chemical decontamination liquid in which said chemical decontamination liquid is decomposed by
a catalyst, wherein said method is comprised of the processes of:
charging said catalyst through a catalyst charging port connected to an inlet mesh filter;
making said chemical decontamination liquid flow in from the bottom portion of said catalyst through said inlet mesh filter;
making said chemical decontamination liquid, which has passed said catalyst, flow out of the upper portion of said catalyst
through an outlet mesh filter; and
imposing a load on said catalyst through said catalyst charging port in a direction top to bottom thereof to suppress convection
of said catalyst.
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