Journal
BIORESOURCE TECHNOLOGY
Volume 229, Issue -, Pages 204-210Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.01.028
Keywords
Fed-batch SSCF; Sugarcane bagasse; High solid loading; Enzyme feeding
Funding
- National Natural Science Foundation of China [51478190, 51278200]
- Guangdong Provincial Natural Science Foundation Key Project [2014A030311014]
- Guangdong Provincial Science and Technology Program [2013B010102002]
- Guangzhou Science and Technology Program [201510010288]
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A study on the fed-batch simultaneous saccharification and co-fermentation (SSCF) of Fenton reaction combined with NaOH pretreated sugarcane bagasse (SCB) at a high solid loading of 10-30% (w/v) was investigated. Enzyme feeding mode, substrate feeding mode and combination of both were compared with the batch mode under respective solid loadings. Ethanol concentrations of above 80 g/L were obtained in batch and enzyme feeding modes at a solid loading of 30% (w/v). Enzyme feeding mode was found to increase ethanol productivity and reduce enzyme loading to a value of 1.23 g/L/h and 9 FPU/g substrate, respectively. The present study provides an economically feasible process for high concentration bioethanol production. (C) 2017 Elsevier Ltd. All rights reserved.
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