PROCESS FOR THE PREPARATION OF D,L-METHIONINE
The invention relates to a single cycle process for preparing D,L-methionine from an alkali methioninate solution obtained by alkaline hydrolysis of 5-(2-methylmercaptoethyl)hydantoin, in which the D,L-methionine is obtained by neutralizing the alkali methioninate solution with carbon dioxide at ele...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English French German |
Published |
02.08.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a single cycle process for preparing D,L-methionine from an alkali methioninate solution obtained by alkaline hydrolysis of 5-(2-methylmercaptoethyl)hydantoin, in which the D,L-methionine is obtained by neutralizing the alkali methioninate solution with carbon dioxide at elevated temperature and subsequently crystallizing D,L-methionine in the presence of seed crystals. |
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Bibliography: | Application Number: EP20200732607 |