Selective transformation of carbohydrates into HMF promoted by carboxylic acids modified ZrMo mixed oxides

Li, Hu; Zhang, Qiuyun; Jian, Liu; Liu, Xiaofang; Chang, Fei; Liu, Yancai; Xue, Wei; Yang, Song

doi:10.1007/s13399-013-0092-4

Cited by 10 publications

(11 citation statements)

References 36 publications

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“…e moderate HMF yield at 24.9% and 27.6% was obtained from glucose and sucrose in the DMSO system, respectively. e experiment results indicated that the S-AlMo catalyst with the presence of basic sites (eg., Al 2 O 3 moieties) as well as acidic sites (eg., Al 2 (MoO 4 ) 3 and MoO 3 ) was similar to the result reported by Li et al [33].…”

Section: Synthesis Of Hmf From Sugars Catalyzed By S-almosupporting

confidence: 91%

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Zhang

Liu

Yang

et al. 2019

International Journal of Chemical Engineering

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Direct conversion of fructose into 5-hydroxymethylfurfural (HMF) is achieved by using modified aluminum-molybdenum mixed oxide (S-AlMo) as solid acid catalysts. The synthesized catalyst was characterized by powder XRD, nitrogen adsorption-desorption isotherm, NH3-TPD, and SEM. As a result, the presence of strong acidity, mesostructures, and high surface area in the S-AlMo catalyst was confirmed by nitrogen adsorption-desorption isotherm and NH3-TPD studies. A study by optimizing the reaction conditions such as catalyst dosage, reaction temperature, and time has been performed. Under the optimal reaction conditions, HMF was obtained in a high yield of 49.8% by the dehydration of fructose. Moreover, the generality of the catalyst is also demonstrated by glucose and sucrose with moderate yields to HMF (24.9% from glucose; 27.6% from sucrose) again under mild conditions. After the reaction, the S-AlMo catalyst can be easily recovered and reused four times without significant loss of its catalytic activity.

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Section: Synthesis Of Hmf From Sugars Catalyzed By S-almosupporting

confidence: 91%

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Zhang

Liu

Yang

et al. 2019

International Journal of Chemical Engineering

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“…213−216 It is synthesized from cellulose-derived glucose by isomerization and dehydration steps. Li et al 217 prepared MoO 3 −ZrO 2 solid acid modified by stearic acid for the catalytic dehydration of cellulose to HMF along with other carbohydrates. About 11% yield of HMF was obtained at 160 °C in 200 min, when cellulose was used as the feedstock.…”

Section: Dehydration and Oxidative Dehydrationmentioning

confidence: 99%

Supported MoO_x and WO_x Solid Acids for Biomass Valorization: Interplay of Coordination Chemistry, Acidity, and Catalysis

et al. 2021

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Supported molybdenum oxide (MoO x ) and tungsten oxide (WO x ) materials are a vital class of solid acid catalysts for the chemical industry because of their nontoxic nature, strong acidity, remarkable stability in water, hydrogen, and oxygen atmospheres, and excellent reusability performance. These fascinating solid acids play a pivotal role in developing sustainable catalytic routes for renewable biomass processing to produce value-added fuels, chemicals, and platform molecules. The coordination chemistry of MoO x and WO x on the support materials (oxides, carbons, or zeolites) controls their acidic strength, active site accessibility, and catalytic activity. Hence, significant efforts have been made toward optimizing the conditions used for catalyst synthesis and biomass processing to tune the coordination chemistry of MoO x and WO x with the substrate molecules and, thus, their acid-activity/selectivity performance. This Review provides a comprehensive overview of supported MoO x and WO x solid acids for biomass valorization. The importance of the biomass and the role of solid acids for biomass valorization were emphasized, followed by a brief discussion of supported MoO x and WO x solid acids. Afterward, the interplay of coordination chemistry, acidic strength, and catalytic activity of supported MoO x and WO x solid acids was discussed. Finally, their catalytic applications for the valorization of several biomass substrates and their derivatives were summarized. This Review will provide valuable insights for developing advanced supported WO x and MoO x solid acids for catalytic biomass valorization and other challenging acid-catalyzed processes.

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“…Numerous literature data show that, under microwave activation conditions, higher reaction rates are achievable than under thermal activation [ 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 ]. This is the way to enhance the yields of final products.…”

Section: Catalytic Processes For Conversion Of Carbohydrates Based On...mentioning

confidence: 99%

“…Diverse carbohydrates (fructose, glucose, sucrose, and cellulose) were studied in the conversion into 5-HMF using ZrMo mixed oxides modified by carboxylic acids (stearic acid, palmitic acid, myristic acid, and lauric acid) under thermal and microwave conditions [ 19 ]. In spite of the better performance of the catalyst under microwave mode of operation, in particular, reduced time of the reaction and lower reaction temperatures, the preference was given to the thermal mode because of the easier upscaling and potential commercialization of the process.…”

Section: Catalytic Processes For Conversion Of Carbohydrates Based On...mentioning

confidence: 99%

Microwave-Assisted Conversion of Carbohydrates

2022

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Catalytic conversion of carbohydrates into value-added products and platform chemicals became a trend in recent years. Microwave activation used in the processes of carbohydrate conversion coupled with the proper choice of catalysts makes it possible to enhance dramatically the efficiency and sometimes the selectivity of catalysts. This mini-review presents a brief literature survey related to state-of-the-art methods developed recently by the world research community to solve the problem of rational conversion of carbohydrates, mostly produced from natural resources and wastes (forestry and agriculture wastes) including production of hydrogen, synthesis gas, furanics, and alcohols. The focus is made on microwave technologies used for processing carbohydrates. Of particular interest is the use of heterogeneous catalysts and hybrid materials in processing carbohydrates.

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Selective transformation of carbohydrates into HMF promoted by carboxylic acids modified ZrMo mixed oxides

Cited by 10 publications

References 36 publications

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Supported MoO_x and WO_x Solid Acids for Biomass Valorization: Interplay of Coordination Chemistry, Acidity, and Catalysis

Microwave-Assisted Conversion of Carbohydrates

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Selective transformation of carbohydrates into HMF promoted by carboxylic acids modified ZrMo mixed oxides

Cited by 10 publications

References 36 publications

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Catalytic Transfer of Fructose to 5-Hydroxymethylfurfural over Bimetal Oxide Catalysts

Supported MoOx and WOx Solid Acids for Biomass Valorization: Interplay of Coordination Chemistry, Acidity, and Catalysis

Microwave-Assisted Conversion of Carbohydrates

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Supported MoO_x and WO_x Solid Acids for Biomass Valorization: Interplay of Coordination Chemistry, Acidity, and Catalysis