Process for the preparation of aqueous sodium methioninate...

Details Process for the preparation of aqueous sodium methioninate... Process for the preparation of aqueous sodium methioninate...

C - Chemistry, Metallurgy

07

C

C07C 323/58 (2006.01) A23K 1/16 (2006.01) C07C 319/20 (2006.01) C07C 319/28 (2006.01)

Patent

CA 2271914

The invention relates to a process for the preparation of aqueous sodium methioninate solutions having a low sodium carbonate content from the crude hydrolysis mixtures obtained in the hydrolysis of 5-(.beta.-methylmercaptoethyl)-hydantoin with from 1.1 to 6 equivalents of sodium hydroxide and/or sodium carbonate, by separating off sodium carbonate monohydrate while heating, and to granulates subsequently prepared from those solutions by various processes.

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