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General
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Succinic
acid is a dicarboxylic acid. Succinate plays a biochemical role in the
citric acid cycle.
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Succinic
acid is a colourless crystalline solid with a melting point of 185 -187 C
and soluble in water; slightly dissolved in ethanol, ether, acetone and
glycerine; not dissolved in benzene, carbon sulfide, carbon tetrachloride
and oil ether.
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Succinic
Acid occurs as colorless to white crystals or as a white crystalline powder.
It is odorless and has a characteristic acid taste.
Process
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The
BDSA(Biologically Derived Succinic Acid) process produces succinic acid by
fermenting glucose sugar from corn, separating and purifying the acid, and
catalytically processing it as a platform chemical to produce 1,4-butanediol
(BDO) and related products, tetrahydrofuran and γ-butyrolactone; n-methyl
pyrrolidinone (NMP) and 2-pyrrolidinone; or other chemicals that are used to
make a wide assortment of products.
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The
original method employed by Pasteur for the separation of succinic acid from
other acids produced during fermentation consisted in extracting the calcium
salts with a mixture of alcohol and ether.
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Succinic
acid is a dicarboxylic acid which has attracted great interest as a green
feed stock for the manufacture of synthetic resins, biodegradable polymers
and chemical intermediates. It can be produced as an intermediate of
tricarboxylic acid cycle (TCA) and also as one of the fermentation products
of anaerobic metabolism.
Application
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Succinic
acid is valued for its derivative chemicals, which are used in producing
food and pharmaceutical products, surfactants and detergents, plastics,
clothing fibers, biodegradable solvents, and other products.
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Succinic
acid has been used in many industrial applications, and has been used as a
surfactant, a detergent extender, a foaming agent, and an ion chelator. It
has also been used as a food additive, a flavoring agent, and a supplement
to pharmaceuticals, antibiotics, and vitamins.
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Succinic
acid concentrations are monitored in the manufacture of numerous foodstuffs
and beverages, including wine, soy sauce, soy bean flour, fruit juice and
dairy products (e.g. cheese).
Market
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The
production volume of succinic acid in China accounts for 25~30% the global
succinic acid output. Each year more than 1,500 tonnes of China’s succinic
acid was exported overseas.
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Succinic
acid is comprehensively used in China and plays an important role in Chinese
economy, including chemical, food, pharmaceutical and agricultural
industries.
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The export
volume of succinic acid is fluctuating these years, however, it is still be
very bright for it to develop. On one hand, it is because of the development
of production method, and on the other hand, it is for the constant and
increasing market demand from the downstream products. It is believed that
the future of succinic acid will be profitable. It is definitely necessary
to grow up with China’s succinic acid industry.
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