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Bulletin of the Chemical Society of Ethiopia
Article . 2014 . Peer-reviewed
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Conversion of glucose into platform chemicals using aluminophosphates (SAPO-5 and MeAPO-5) in [BMIM]Cl ionic liquid

Authors: L. Ayele; G. Dadi; W. Mamo; Y. Chebude; I. Diaz;

Conversion of glucose into platform chemicals using aluminophosphates (SAPO-5 and MeAPO-5) in [BMIM]Cl ionic liquid

Abstract

The conversion of glucose into platform chemicals such as 5-hydroxymethylfurfural, levulinic acid and formic acid has been investigated using two aluminophosphate based zeotypes (SAPO-5 and MeAPO-5) catalysts in 1-butyl-3-methylimidazolium chloride [BMIM]Cl ionic liquid as a reaction medium. The silico aluminophosphates (SAPO-5) and metal aluminophosphates (MeAPO-5) were designed and chosen for their tunable amount and strength of acid sites. The dehydration of glucose using each catalyst gave more than 90% glucose conversion. Among all the catalysts tested, the most hydrophilic SAPO-5 (1.5T) results in a better 5-HMF yield of 8% at 100 °C and 6 h reaction time. Contrary to this, the more hydrophobic SAPO-5 gives higher yield of levulinic acid and formic acid and no 5-HMF yield at this particular reaction time. In general, despite the higher glucose conversion attained by these aluminophosphate based catalysts, the lower yield obtained by these materials can be attributed to the type of acidity and the incompatibility of the pore diameter of the AFI channels of the catalysts and the desired products. KEY WORDS: Biomass, 5-Hydroxymethylfurfural, Levulinic acid, Formic acid, Ionic liquids, Aluminophosphate Bull. Chem. Soc. Ethiop. 2014, 28(1), 45-52.DOI: http://dx.doi.org/10.4314/bcse.v28i1.6

Keywords

5-hydroxymethylfurfural, 5-Hydroxymethylfurfural, Aluminophosphates, Aluminophosphate, Biomass, 5-Hydroxymethylfurfural, Levulinic acid, Formic acid, Ionic liquids, Aluminophosphate, Formic acid, Ionic liquids, Chemistry, Levulinic acid, Biomass, QD1-999

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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