Asaki Kasei Chemicals Corporation

Yasuaki Furuya

Yusuke Ishii

Toshihiko Fukuzono

An apparatus for efficiently removing the exuded substance and/or the attached substance on the surface of a catalyst (catalyst surface substance) from the catalyst is provided. The apparatus comprising a main body, the apparatus for removing a catalyst surface substance present on a surface of a catalyst from the catalyst by bringing a gas flow into contact with the catalyst housed in the main body, wherein a gas flow length in a flow direction of the gas flow is 55 mm or more, and an average flow velocity of the gas flow is 80 m/s or more and 500 m/s or less in terms of a linear velocity at 15&#xb0; C. and 1 atm.

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Tokyo, Japan

Yasuaki Furuya