Glucose dehydration to 5-hydroxymethylfurfural on zirconium containing mesoporous MCM-41 silica catalysts

Jiménez‐Morales, Ignacio; Santamaría‐González, J.; Jiménez-López, A.; Maireles‐Torres, Pedro

doi:10.1016/j.fuel.2013.10.079

Cited by 81 publications

(48 citation statements)

References 24 publications

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“…On the other hand, heterogeneous catalysis takes advantage of the reusability of In comparison with similar biphasic systems, the activity of these ZSM-5-based catalysts are even better than those obtained with mesoporous materials, such as MCM-41 silica doped with zirconium and mesoporous tantalum oxide [16,40]. The catalytic activity enhancement achieved with the H-ZSM-5 zeolite introducing a NaCl solution in the biphasic reaction medium has allowed raising the HMF yield from 1.6 to 42 %.…”

Section: Catalytic Studymentioning

confidence: 99%

Brönsted and Lewis acid ZSM-5 zeolites for the catalytic dehydration of glucose into 5-hydroxymethylfurfural

Moreno‐Recio

Santamaría‐González

Maireles‐Torres

2016

Chemical Engineering Journal

161

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Section: Catalytic Studymentioning

confidence: 99%

Brönsted and Lewis acid ZSM-5 zeolites for the catalytic dehydration of glucose into 5-hydroxymethylfurfural

Moreno‐Recio

Santamaría‐González

Maireles‐Torres

2016

Chemical Engineering Journal

161

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“…For example, an HMF yield of 23% was achieved over Zr-MCM-41 by Jiménez-Morales et al (2014). Otomo et al (2014) reported that beta zeolite prepared by calcination at 750 °C had 55% selectivity at 78% glucose conversion.…”

Section: Introductionmentioning

confidence: 99%

Catalysis of Glucose to 5-Hydroxymethylfurfural using Sn-Beta Zeolites and a Brønsted Acid in Biphasic Systems

Yang¹,

Wang²,

Lyu³

et al. 2015

BioResources

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Selective and efficient dehydration of glucose to 5-hydroxymethylfurfural (HMF) has been a widely explored concept recently, especially from the perspective of employing environmentally benign heterogeneous catalysts. However, there has been a relative paucity of data regarding the application of Sn-Beta zeolites, a category of catalysts that are very innocuous, inexpensive, and effective, toward evaluating bio-based conversions. Sn-Beta was shown to possess good Lewis acidity for catalyzing glucose isomerization to fructose in aqueous media at low pH and accelerating dehydration of glucose to HMF in a biphasic system with high yields. Sn-Beta zeolite with NH4F as the mineralizing agent (Sn-Beta-F) was a more effective catalyst for the selective dehydration of glucose to HMF. An optimal HMF yield of 53.0% was obtained over Sn-Beta-F zeolite in an acidic environment (pH 1) after 70 min at 190 °C. The reaction system was also effective for conversion of cellulose to HMF with a yield of 32.2% preliminarily.

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“…Up to now, many more catalysts, such as Lewis acid catalysts [37], boric acid [38], tantalum compounds [39], Sn-Mont catalyst [9], ion exchanged resins [40], bifunctional SO 4 2´/ ZrO 2 catalysts [41], ion exchanged zeolites [42,43], chromium(0) nanoparticles [44], ionic liquids (ILs) [45], and mesoporous tantalum phosphate [46] [23,[47][48][49][50][51][52][53][54]. Integrating the Lewis acid properties of the metal for the isomerization of glucose to fructose, and the protons resulting from the metal hydrolysis as a Brønsted acid to catalyze the fructose dehydration reaction were commonly explored in most of the abovementioned literatures.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Conversion of Glucose into 5-Hydroxymethylfurfural by Hf(OTf)4 Lewis Acid in Water

Wang

et al. 2015

Catalysts

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A series of Lewis acidic metal salts were used for glucose dehydration to 5-hydroymethylfurfural (HMF) in water. Effect of valence state, ionic radii of Lewis acidic cation, and the type of anions on the catalytic performance have been studied systematically. The experimental results showed that the valence state played an important role in determining catalytic activity and selectivity. It was found that a higher glucose conversion rate and HMF selectivity could be obtained over high valent Lewis acid salts, where the ionic radii of these Lewis acidic metal salts are usually relatively small. Analysis on the effect of the anions of Lewis acid salts on the catalytic activity and the selectivity suggested that a higher glucose conversion and HMF selectivity could be readily obtained with Cl´. Furthermore, the recyclability of high valence state Lewis acid salt was also studied, however, inferior catalytic performance was observed. The deactivation mechanism was speculated to be the fact that high valence state Lewis acid salt was comparatively easier to undergo hydrolysis to yield complicated metal aqua ions with less catalytic activity. The Lewis acidic activity could be recovered by introducing a stoichiometric amount of hydrochloric acid (HCl) to the catalytic before the reaction.

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Glucose dehydration to 5-hydroxymethylfurfural on zirconium containing mesoporous MCM-41 silica catalysts

Cited by 81 publications

References 24 publications

Brönsted and Lewis acid ZSM-5 zeolites for the catalytic dehydration of glucose into 5-hydroxymethylfurfural

Brönsted and Lewis acid ZSM-5 zeolites for the catalytic dehydration of glucose into 5-hydroxymethylfurfural

Catalysis of Glucose to 5-Hydroxymethylfurfural using Sn-Beta Zeolites and a Brønsted Acid in Biphasic Systems

Catalytic Conversion of Glucose into 5-Hydroxymethylfurfural by Hf(OTf)4 Lewis Acid in Water

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