Measured kinetics of the acid-catalysed hydrolysis of sugar cane bagasse to produce xylose

Lavarack, B.P., Griffin, G.J., and Rodman, D. (2000) Measured kinetics of the acid-catalysed hydrolysis of sugar cane bagasse to produce xylose. Catalysis Today, 63 (2-4). pp. 257-265.

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Experimental trials of the water hydrolysis of bagasse to produce xylose, arabinose and glucose were conducted using a temperature-controlled microwave digester. The experimental variables were temperature, ratio of water mass to bagasse mass, type of bagasse material and reaction time. The pH of the liquid and concentration of dissolved xylose, arabinose and glucose were measured at the completion of each trial. Kinetic modelling of the global rates of formation of monosaccharide products was performed using schemes based on earlier researchers’ models of acid hydrolysis using mineral acids. For the most plentiful product, xylose, the most accurate kinetic model of the global reactions was determined to be two parallel pathways for hydrolysis of xylan to xylose followed by a single pathway for xylose decomposition. The calculated activation energies of the reactions were within the range reported by other researchers for the hydrolysis of a range of lignocellulosic materials using mineral acids

Item ID: 12811
Item Type: Article (Research - C1)
ISSN: 1873-4308
Keywords: autocatalysis; bagasse; catalysis; hydrolysis; xylose
Date Deposited: 03 Jul 2012 03:58
FoR Codes: 09 ENGINEERING > 0904 Chemical Engineering > 090499 Chemical Engineering not elsewhere classified @ 100%
SEO Codes: 86 MANUFACTURING > 8606 Industrial Chemicals and Related Products > 860604 Organic Industrial Chemicals (excl. Resins, Rubber and Plastics) @ 100%
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