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https://open.uns.ac.rs/handle/123456789/13711
Title: | Immobilization of Saccharomyces diastaticus on Wood Chips for Ethanol Production | Authors: | Razmovski R. Pejin D. |
Issue Date: | 1-Jan-1996 | Journal: | Folia Microbiologica | Abstract: | Saccharomyces diastaticus cells were immobilized onto beech wood chips of different particle size and three pH values. pH values in the range 5.0-6.0, and 1.84-1.92 mm particle size had a positive effect on the immobilization process. The chosen carrier - 1.84 mm-sized wood chips adsorbed 150 mg dry cell mass per g dry carrier mass. The Gibbs free energy and the activation energy for the first (monolayer) and second (multilayer) immobilization stages was 4581, 19090 and 8590 J g mol-1, respectively. The kinetics of immobilized cell systems in ethanol production have been studied in a packed bed-reactor. Ethanol production and the respiration quotient (RQ) were at a maximum at a dilution rate of 0.16/h. The reactor was operated under steady-state conditions for 30 d at the dilution rate 0.16/h. | URI: | https://open.uns.ac.rs/handle/123456789/13711 | ISSN: | 00155632 | DOI: | 10.1007/BF02814700 |
Appears in Collections: | TF Publikacije/Publications |
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