Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1988-02-17
1989-10-10
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502205, 502212, 502215, 502242, 502243, 502249, 502304, B01J 2378, B01J 2384, B01J 2388
Patent
active
048732176
ABSTRACT:
A catalyst used for producing, by catalytic gas phase oxidation of a C.sub.3 -C.sub.5 oelfin or tertiary alcohol, the corresponding unsaturated aldehyde and unsaturated carboxylic acid, said catalyst characterized by comprising molybdenum, iron and bismuth and having a specific surface area in the range from 1 to 20 m.sup.2 /gr, a pore volume in the range from 0.1 to 1.0 cc/gr and a pore diameter distribution in which the pore diameters are collectively distributed in the range of each of from 1 to 10 microns and from 0.1 to less than 1 micron; and a process for preparing said catalyst by charging an unfired material power into a centrifugal flow coating device to form particles having the average particle diameter of 2 to 10 mm and then firing the particles.
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Chemical Abstracts, vol. 88, No. 12, 79851b, Takeda Chemical Industries Ltd.
Aoki Yukio
Kawajiri Tatsuya
Onodera Hideo
Uchida Shin-ichi
Wada Masahiro
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
Shine W. J.
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