Studies on the Behaviors of Impurities on the Crystallization of l-Glutamic Acid |
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Authors: | Yoshiki Sakata Toshiyuki Horikawa Kuniharu Takenoughi |
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Affiliation: | Ajinomoto Co., Inc., Kawasaki Factory, Kawasaki |
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Abstract: | The behaviors of impurities such as amino acids and inorganic salts at the time of crystallization of l-glutamic acid were investigated; and it was concluded that amino acids which co-existed in the solution of l-glutamic acid followed the crystals of l-glutamic acid persistently, and the contamination mechanism would not be clarified by the adherence of mother liquor or the formation of liquid foams in the crystals, or by the mixed crystal formation, but by a physical adsorption on the crystal surfaces. |
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