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RU

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2 267 479

(13)

C2

(51)

IPC

C07C47/04(2006-01-01)

C07C47/52(2006-01-01)

(21) (22)

Application

2004107978/04, 2004-03-18

(24)

Start date

2004-03-18

(22)

Actual filing date

2004-03-18

(45)

Published

2006-01-10

(72)

Inventor

Tul'Chinskij Ehduard AvraamovichMiloslavskij Gennadij Jur'EvichSibagatullin Gamil' GabdrakhmanovichGil'Mutdinov Fariz Kabirovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

FORMALDEHYDE PRODUCTION PROCESS Russian patent published in 2006 - IPC C07C47/04 C07C47/52 

Abstract RU 2267479 C2

FIELD: industrial organic synthesis.

SUBSTANCE: formaldehyde is produced via oxidative dehydrogenation of methanol with air oxygen at high temperature on silver-containing in fixed-bed reactor enclosing gas stream distributor followed by absorption of resultant reaction gases to form methanolic formalin, which is further rectified. Gas stream distributor utilized is inert filling composed of geometrically shaped members 3-10 mm in diameter placed on grid mounted upstream of catalyst in the form of a bed 50 to 500 mm thick.

EFFECT: increased conversion and selectivity of process.

1 dwg, 4 ex

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RU 2 267 479 C2

Authors

Tul'Chinskij Ehduard Avraamovich

Miloslavskij Gennadij Jur'Evich

Sibagatullin Gamil' Gabdrakhmanovich

Gil'Mutdinov Fariz Kabirovich

Dates

2006-01-10—Published

2004-03-18—Filed

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