Reaction extraction of furfural from pentose solutions in a modified Scheibel column |
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| Affiliation: | 1. Department of Chemistry, Shiraz University, Shiraz 71454, Iran;2. Department of Chemistry, Shiraz University of Technology, Shiraz 71555-313, Iran;1. Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, Nanjing 210037, China;2. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China;1. University of Belgrade, Institute for Chemistry, Technology and Metallurgy, Njego?eva 12, Belgrade, Serbia;2. University of Belgrade, Vin?a Institute of Nuclear Sciences, P.O. Box 522, Serbia;3. University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, Belgrade, Serbia;1. Group of Applied Thermodynamics and Surfaces (GATHERS), Aragon Food Institute (IA2), Universidad de Zaragoza, Facultad de Ciencias, Zaragoza 50009, Spain;2. Group of Applied Thermodynamics and Surfaces (GATHERS), Aragon Institute for Engineering Research (I3A), Universidad de Zaragoza, Facultad de Ciencias, Zaragoza 50009, Spain;1. Departamento de Ingeniería Química, Universidad del País Vasco UPV/EHU, Apartado 644, 48080 Bilbao, Spain;2. Departamento de Química y Edafología, Universidad de Navarra, Campus Universitario, 31009 Pamplona, Spain |
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| Abstract: | Furfural, which is one of the most promising platform chemicals derived from biomass, has the potential for the production of biofuels and biochemicals. However, the current industrial furfural production process relies on relatively old and inefficient technology, which has some problems such as low production yields, environmental pollutions, and lack of biomass comprehensive utilization. The main contribution of this paper is the use of a modified Scheibel column to improve the furfural recovery. Integration of pentose dehydration to furfural and the solvent phase extraction of furfural occurred simultaneously in this column. Compared with the prevailing batch biphasic reactor, the use of this modified column intensified the extraction efficiency as well as the furfural recovery. Process parameters including organic feed flow rate, reaction temperature, and stirring speed were evaluated and turned out to be significant. In order to achieve the optimal operating conditions, the CCD design was used to optimize the process parameters, and the maximum furfural yield of 80.5% was obtained. |
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| Keywords: | Process intensification Modified Scheibel column Reaction extraction Pentose solutions Furfural Optimization |
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