PROCESS FOR PRODUCING GLYCINE - MITSUI TOATSU CHEMICALS

Title:

PROCESS FOR PRODUCING GLYCINE

Document Type and Number:

WIPO Patent Application WO/1991/008194

Kind Code:

A1

Abstract:

A process for producing glycine by the reaction of glycolonitrile with carbon dioxide and ammonia in the presence of water, which comprises the steps of conducting a preliminary reaction of glycolonitrile, with carbon dioxide, ammonia and water at 80 to 120 ??C for 0.5 to 1 hr, conducting a main reaction at 150 to 200 °C, separating glycine thus formed from the reaction mixture, and recycling the remaining mother liquor to the reaction system comprising glycolonitrile, carbon dioxide, ammonia and water to conduct the preliminary and/or main reaction.

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Inventors:

FUJIWARA KENJI (JP)
UEDA NOBUTAKA (JP)
MATSUU YUUJI (JP)
KATO HIROSHI (JP)
HIAI ATSUHIKO (JP)

Application Number:

PCT/JP1990/001576

Publication Date:

June 13, 1991

Filing Date:

December 05, 1990

Export Citation:

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Assignee:

MITSUI TOATSU CHEMICALS (JP)

International Classes:

C07C227/12; C07C227/26; C07C229/08; (IPC1-7): C07C227/12; C07C229/08

Foreign References:

JPS5328115A	1978-03-16
JPS5328116A	1978-03-16
JPS5331616A	1978-03-25
JPH0245455A	1990-02-15
JPH02108653A	1990-04-20

Other References: