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Title:
エチレンオキシド製造用触媒および該触媒を用いたエチレンオキシドの製造方法
Document Type and Number:
Japanese Patent JP5566881
Kind Code:
B2
Abstract:
[PROBLEM] A catalyst that enables to produce ethylene oxide in high efficiency and high selectivity, and a method for the production of ethylene oxide using the catalyst are provided. [TECHNICAL SOLUTION] A catalyst for the production of ethylene oxide comprising a catalyst component supported on a carrier comprising ±-alumina as a main component, having a crush strength of at least 40 N, a specific surface area of at least 1.0 m 2 /g, and a geometrical shape of a hollow cylinder, characterized in that the catalyst is used by packing in a reaction tube with an inner diameter of at least 28 mm, of a reactor for producing ethylene oxide; and a length/outer diameter ratio in the hollow cylinder is from 0.5 to 1.5, and an inner diameter/outer diameter ratio in the hollow cylinder is within a range of from 0.38 to 0.80. is provided.

Inventors:
Hiroyuki Hirota
Mikawa Masatsugu
Application Number:
JP2010505578A
Publication Date:
August 06, 2014
Filing Date:
March 18, 2009
Export Citation:
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Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
B01J35/02; B01J21/04; B01J23/66; B01J32/00; B01J35/10; C07D301/08; C07D303/00
Domestic Patent References:
JPH0256246A1990-02-26
JPH05329368A1993-12-14
Foreign References:
WO2006102189A12006-09-28
Attorney, Agent or Firm:
Hatta International Patent Corporation