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Introduction:
Glutamic acid, whose chemical name is α -aminoglutaric acid chemical formula is C5H9NO4. It is an organic compound and an acidic amino acid. Glutamic is a colorless crystal with an umami taste, slightly soluble in water and soluble in hydrochloric acid solution. It is found in large amounts in cereal proteins and is also abundant in animal brains. Glutamic acid plays an important role in protein metabolism in organisms and participates in many important chemical reactions in animals, plants and microorganisms. And MSG contains a small amount of glutamic acid.
Application:
Medically, glutamate is mainly used to treat hepatic coma and also to improve the intellectual development of children. In the food industry, MSG is a commonly used food flavor enhancer, and its main component is sodium glutamate. In the past, the production of MSG was mainly carried out by hydrolysis of wheat gluten (gluten), but now microbial fermentation is used for large-scale production.
1. Fermentation system: the fermentation tank volume is 350m3. The fermentation tank and the seeding tank are sterilized by continuous sterilization system. Fermentation cooling adopts the water cooling system.
2. Crystal transferring system:
a) The fermentation liquid should be concentrated by 2.5-3.0times then it will be suitable for equipotential process.
b) Continuous equipotential reaction is carried out with help of later hydrolysate and H2SO4.
c) The process material is cooled and separated by horizontal decanter to acquire alfa type glu. In the same time the mother liquid will be concentrated then dried for making compound fertilizer.
d) Alfa type glu is sent to crystal transferring tank after PH adjustment.
e) Through vacuum belt filter, the alfa type glu is transferred into beta type glu. In the same time, the mother liquid is sent back to evaporator then hydrolysated by adding H2SO4 to help continuous equipotential reaction.
3. Extraction system:
a) Beta glu is neutralized with aid of NaOH to get MSG then sent to decolorization system.
b) Decolored MSG is sent to vacuum evaporator&crystallizer for further purification.
c) The purified wet MSG is separated then dried. After sieve, final MSG product is packed.
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Beijing Meckey Engineering Co.
Website: cnmeckey.en.made-in-china.com
Add: Bldg.5-1511, No. 10 Ronghua south road, BDA, Beijing
