Succinic acid
Succinic acid
110-15-6
disodium succinate
Phthalocyanine pigment
Compound dyes
Compound green
Composite blue
Succinic Acid(cas:110-15-6) as a Byproduct in a Corn-based Ethanol Biorefinery
Release time:2016/8/19 16:47:42


Succinic Acid as a Byproduct in a Corn-based Ethanol Biorefinery.MBI endeavored to develop a process for succinic acid(cas:110-15-6) production suitable for integration into a corn-based ethanol biorefinery.


The project investigated the fermentative production of succinic acid(cas:110-15-6) using byproducts of corn mill operations. The fermentation process was attuned to include raw starch, endosperm, as the sugar source. A clean-not-sterile process was established to treat the endosperm and release the monomeric sugars. We developed the fermentation process to utilize a byproduct of corn ethanol fermentations, thin stillage, as the source of complex nitrogen and vitamin components needed to support succinic acid(cas:110-15-6) production in A. succinogenes.


Further supplementations were eliminated without lowering titers and yields and a productivity above 0.6 g l-1 hr-1was achieved. Strain development was accomplished through generation of a recombinant strain that increased yields of succinic acid(cas:110-15-6) production. Isolation of additional strains with improved features was also pursued and frozen stocks were prepared from enriched, characterized cultures. Two recovery processes were evaluated at pilot scale and data obtained was incorporated into our economic analyses.


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