Succinic acid
Succinic acid
disodium succinate
Phthalocyanine pigment
Compound dyes
Compound green
Composite blue
Bio-succinic acid(cas:110-15-6) can be utilized in many fields
Release time:2016/7/29 17:25:10

Azelis to distribute bio-succinic acid(cas:110-15-6) in parts of EuropeUS renewable chemicals producer Myriant Corp (Quincy, Massachusetts)said speciality chemicals distributor Azelis will distribute its bio-succinic acid(cas:110-15-6) in the Nordic countries, Benelux, France, Iberia, Italy, the UK and Ireland. Bio-succinic acid is chemically equivalent to petroleum-based succinic acid, which is used in the production of polymers, urethanes, plasticizers and coatings.

Sucrose and water were mixed in E-flasks in ratio liquid:solid 10:1. Temperature was kept constant by heating on a heating plate. Agitation was obtained from a magnetic stirrer. Temperatures investigated were 80° C. and 100° C. The catalyst loading (succinic acid(cas:110-15-6) added) corresponds to 0.5, 1, 3, and 5% by weight as in Example 1. Sucrose hydrolysis as a function of time for the different catalyst loadings at 80° C. and at 100° C. The data is shown in Tables 5 to 7. At higher temperatures the hydrolysis rate was greatly increased. At 80° C. acid concentrations above 1% resulted in almost complete hydrolysis after two hours. A concentration of 1% needed three hours to complete the hydrolysis and 0.5% was not finished until after six hours. At 100° C. the hydrolysis was completed in one hour for all acid concentrations. Hydrolysis products were formed in yields 95-100% based on the sucrose hydrolyzed with less degradation of fructose.

After eight hours a high cell density was achieved and the fermentation conditions were changed to anaerobic by cutting of air and adding carbon dioxide. This then proceeds for 16 hours producing succinic acid(cas:110-15-6). The final succinic acid(cas:110-15-6) concentration, yield per gram and mole consumed sugar during the anaerobic phase and the productivity per gram, litre and hour is shown in Table 4. The sugar concentration change during the fermentation is presented in Table 15. E. coli mutant AFP184 can ferment mixtures of glucose and fructose as produced in Examples 1 to 3.

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