Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
679902 | Bioresource Technology | 2015 | 9 Pages |
Abstract
In this work, a recombinant cyanobacterium strain with increased photosynthesis rate, cell growth and carbohydrate production efficiency was genetically engineered by co-expressing ictB, ecaA, and acsAB (encoded for bacterial cellulose) in Synechococcus elongatus PCC7942. The resulting cyanobacterial biomass could be effectively hydrolyzed with dilute acid (2% sulfuric acid), achieving a nearly 90% glucose recovery at a biomass concentration of 80Â g/L. Bioethanol can be produced from fermenting the acidic hydrolysate of S. elongatus PCC7942 via separate hydrolysis and fermentation (SHF) process at a concentration of 7.2Â g/L and with a 91% theoretical yield.
Keywords
Related Topics
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Chemical Engineering
Process Chemistry and Technology
Authors
Te-Jin Chow, Hsiang-Yen Su, Tsung-Yu Tsai, Hsiang-Hui Chou, Tse-Min Lee, Jo-Shu Chang,