By Michael R. Ladisch, Lynn Wright (auth.), Mark Finkelstein, Brian H. Davison (eds.)
In Biotechnology for Fuels and chemical substances, according to the nineteenth Symposium, held in Colorado Springs, CO, may perhaps 4-8, 1997, prime researchers from academia, undefined, and govt current their new functions and state of the art examine advances within the construction of fuels and chemical compounds via biotechnology. the focal point of the continuing used to be at the usage of renewable assets, really cellulosic biomass.
Biotechnology for Fuels and chemical compounds covers a variety of technical subject matters. one of the excessive issues are cutting edge pretreatment procedures that could flip lignocellulosic fabrics into uncomplicated sugars, the improvement of intriguing new biocatalysts and microbes, new reactor designs, and artistic conversion tactics. additionally mentioned are a couple of microbes and vegetation which have been genetically transformed to accomplish novel bioconversions to supply enzymes and key chemical intermediates. The assembly in actual fact validated that biotechnology and bioprocessing could make it attainable to transform cellulosic biomass into fuels and chemical substances in a commercially beautiful fashion.
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Additional resources for Biotechnology for Fuels and Chemicals: Proceedings of the Nineteenth Symposium on Biotechnology for Fuels and Chemicals Held May 4-8. 1997, at Colorado Springs, Colorado
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Obviously, there is a trade-off between yield and sugar concentration. A proper choice of T can only be made considering the overall process economics. Comparison Between Shrinking-Bed and Nonshrinking-Bed Operations One advantage of the shrinking-bed operation, over the nonshrinking one, is that Tbecomes higher, even for the same amount of liquid throughput. Consider a shrinking-bed reactor with an initial volume the same as that of a nonshrinking-bed reactor. For T = 1, this means one reactor volume of liquid has passed through the nonshrinking bed reactor during the reaction.
A simulated optimal run further reveals that the fast portion of hemicellulose is almost completely hydrolyzed in the first stage, and the slow portion of hemicellulose is hydrolyzed in the second stage. Under optimal conditions, the bed shrank 27% (a near-maximum value), and a sugar yield over 95% was attained. Index Entries: Dilute-acid pretreatment; modeling; shrinking bed; percolation; corn cobs/stover mixture. INTRODUCTION Pretreatment is necessary to bioconvert lignocellulosic biomass into fuels and chemicals.
Biotechnology for Fuels and Chemicals: Proceedings of the Nineteenth Symposium on Biotechnology for Fuels and Chemicals Held May 4-8. 1997, at Colorado Springs, Colorado by Michael R. Ladisch, Lynn Wright (auth.), Mark Finkelstein, Brian H. Davison (eds.)