Methanesulfonic acid-catalyzed conversion of glucose and xylose mixtures to levulinic acid and furfural
Rackemann, Darryn W., Doherty, William O.S., & Bartley, John (2014) Methanesulfonic acid-catalyzed conversion of glucose and xylose mixtures to levulinic acid and furfural. Industrial Crops and Products, 52, pp. 46-57.
Methanesulfonic acid (MSA) was compared with sulfuric acid for the conversion of glucose and xylose mixtures to produce levulinic acid and furfural. The interactions of glucose and xylose, the predominant sugars found in biomass, were found to influence product yields with furfural degradation reactions enhanced under higher reactant loadings. Fast heating rates allowed maximal yields (>60 mol%) of levulinic acid and furfural to be achieved under short reaction times. Under the range of conditions examined, sulfuric acid produced a slight increase in levulinic acid yield by 6% (P = 0.02), although there was no significant difference (P = 0.11) between MSA and sulfuric acid in levulinic acid formed from glucose alone. The amount and type of the solid residue is similar between MSA and sulfuric acid. As such, MSA is a suitable alternative because its use minimizes corrosion and disposal issues associated with mineral acid catalysts. The heating value of the residue was 22 MJ/kg implying that it is a suitable source of fuel. On the basis of these results, a two-stage processing strategy is proposed to target high levulinic acid and furfural yields, and other chemical products (e.g., lactic acid, xylitol, acetic acid and formic acid). This will result in full utilization of bagasse components.
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|Item Type:||Journal Article|
|Keywords:||methanesulfonic acid, hydrolysis, levulinic acid, furfural, humins|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ORGANIC CHEMISTRY (030500) > Organic Chemical Synthesis (030503)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CHEMICAL ENGINEERING (090400) > Catalytic Process Engineering (090402)
|Divisions:||Current > Research Centres > Centre for Tropical Crops and Biocommodities
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Crown Copyright © 2013 Published by Elsevier B.V.|
|Deposited On:||30 Apr 2014 02:19|
|Last Modified:||18 Jun 2014 04:48|
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