Liquid‐Phase Catalytic Processing of Biomass‐Derived Oxygenated Hydrocarbons to Fuels and Chemicals

Chheda, Juben N.; Huber, George W.; Dumesic, James A.

doi:10.1002/chin.200750242

Cited by 183 publications

(234 citation statements)

References 40 publications

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“…The potential mechanism for the formation of CDs may involve two steps: Firstly, hydrolysis of cellulose took place in the presence of SO 3 H-IL after dissolution of cellulose in [Bmim]Cl, generating sugars and some oligomers, some of which subsequently dehydrated to acids, aldehydes, phenols, etc. [30,31]. Secondly, these products reacted with each other under the catalysis of SO 3 H-IL to produce soluble polymers which further developed into CDs after the consecutive processes of polymerization, aromatization, and ultimately generation and growth of carbogenic nuclei [32,33].…”

Section: Resultsmentioning

confidence: 99%

Synthesis of cellulose-derived carbon dots using acidic ionic liquid as a catalyst and its application for detection of Hg2+

Wang

et al. 2015

J Mater Sci

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Carbon dots (CDs) as versatile carbon-based nanomaterials have attracted increasing attention because of their non-toxicity, good water solubility and photostability, and easy surface functionalization. For their wide application, it is still needed to explore moderate and facile methods for synthesizing CDs from green and inexpensive precursors. In this paper, a moderate method was developed to synthesize water-soluble CDs by ionothermal treatment of cellulose with SO 3 H-functionalized acidic ionic liquid as a catalyst in 1-butyl-3-methylimidazolium chloride ([Bmim]Cl). The preparation process was carried out at relatively low temperature in non-pressurized vessel. The synthesized CDs exhibit near-spherical morphology with an average diameter of 8.0 nm, and the surface is carbon and oxygen rich. The CDs have powder-blue fluorescence with excitation-dependent emission behavior and excellent stability. Moreover, the as-prepared CDs were demonstrated as an effective ''turn-off'' fluorescent probe for the selective detection of Hg 2? with a good linear relationship over the concentration range from 6 to 80 lM. The application of acidic ionic liquid should provide a new path for the synthesis of CDs under mild condition.

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Section: Resultsmentioning

confidence: 99%

Synthesis of cellulose-derived carbon dots using acidic ionic liquid as a catalyst and its application for detection of Hg2+

Wang

et al. 2015

J Mater Sci

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“…Cellulose composed of a b-1, 4-glycosidic bond of D-glucose (Fan et al 1987) could be primarily converted into monosaccharides such as glucose, a major platform for the synthesis of a variety of chemicals (Chheda et al 2007;Corma et al 2007), fuels, medicines and foods. Therefore, hydrolysis of cellulose into glucose with high selectivity is recognized as a key technology (Farrell et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Hydrolysis of cellulose by the heteropoly acid H3PW12O40

et al. 2010

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The potential of heteropoly acid H 3 PW 12 O 40 to catalyze the hydrolysis of cellulose to glucose under hydrothermal conditions was explored. This technology could contribute to sustainable societies in the future by using cellulose biomass. A study to optimize the reaction conditions, such as the amount of catalyst, reaction time, temperature, and the amount of cellulose used, was performed. A remarkably high yield of glucose (50.5%) and selectivity higher than 90% at 453 K for 2 h with a mass ratio of cellulose to H 3 PW 12 O 40 of 0.42 were achieved. This was attributed to the high hydrothermal stability and the excellent catalytic properties, such as the strong Brønsted acid sites. This homogeneous catalyst can be recycled for reuse by extraction with diethyl ether. The results illustrate that H 3 PW 12 O 40 is an environmentally benign acid catalyst for the hydrolysis of cellulose.

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“…Biomass is gaining attention for its use in the production of high value-added chemicals [1]. D-Xylose, produced by the hydrolysis of a variety of biomasses including almond shell, sugarcane, and corn with the aid of acid catalysts, can be further converted into furfural by dehydration.…”

Section: Introductionmentioning

confidence: 99%

Kinetic study of the dehydration of d-xylose in high temperature water

Kim

Lee

Park

et al. 2011

Reac Kinet Mech Cat

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A kinetic model of the homogeneous conversion of D-xylose in high temperature water (HTW) was developed. Experimental testing evaluated the effects of operating conditions on xylose conversion and furfural selectivity, with furfural yields of up to 60% observed without the use of acid catalysts. The reaction order for the decomposition of D-xylose was assumed to be above two, while the conversion of D-xylose to furfural and the degradation of furfural were first order reactions. Estimated kinetic parameters were within the range of values reported in the literature. The activation energy of furfural production showed that the ionization rate was high enough for HTW to replace acid catalysts. Simulated results from this model were in good agreement with experimental data, allowing the model to aid reactor design for the maximization of productivity.

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Liquid‐Phase Catalytic Processing of Biomass‐Derived Oxygenated Hydrocarbons to Fuels and Chemicals

Abstract: ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Cited by 183 publications

References 40 publications

Synthesis of cellulose-derived carbon dots using acidic ionic liquid as a catalyst and its application for detection of Hg2+

Synthesis of cellulose-derived carbon dots using acidic ionic liquid as a catalyst and its application for detection of Hg2+

Hydrolysis of cellulose by the heteropoly acid H3PW12O40

Kinetic study of the dehydration of d-xylose in high temperature water

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