REGENERATION OF CATALYST - Nippon Shokubai Co., Ltd.

Title:

REGENERATION OF CATALYST

Document Type and Number:

Japanese Patent JP2702864

Kind Code:

B2

Abstract:

PURPOSE: To regenerate a molybdenum-vanadium oxidation catalyst deteriorated in catalytic activity safely and efficiently.
CONSTITUTION: A molybdenum-vanadium oxidation catalyst deteriorated in catalytic activity is thermally treated at 300 to 450°C in a stream of a mixed gas containing at least, 3vol.% of molecular oxygen and at least, 0.1vol.% of steam.

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Inventors:

Tatsuya Kawajiri
Hidenaka Hironaka
Kazuyuki Kamikawa
Michio Tanimoto

Application Number:

JP5187493A

Publication Date:

January 26, 1998

Filing Date:

March 12, 1993

Export Citation:

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Assignee:

Nippon Shokubai Co., Ltd.

International Classes:

B01J23/88; B01J23/92; B01J23/94; B01J38/06; B01J38/12; C07B61/00; C07C51/21; C07C51/487; C07C57/05; C07C57/055; C07C57/07; (IPC1-7): B01J23/92; B01J38/06; C07C51/21; C07C57/055

Domestic Patent References:

JP2222726A
JP543567A

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