NEW JOURNAL OF CHEMISTRY
·
2019
·Vol. 44
·期 2
·478-486
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IF 3.069
Feng Li,Shanshan Jiang,Jin Huang,Yue Wang,Shiyu Lu,Cuiqin Li
Carbon-encapsulated Fe3O4 (Fe3O4@C) catalysts were prepared by a solvothermal method using glucose as the carbon source and their physicochemical properties were characterized via various analytical techniques. Catalytic transfer hydrogenation of furfural over Fe3O4@C catalysts was investigated with isopropanol as the solvent and hydrogen donor. The Fe3O4@C catalysts exhibited high catalytic furfural transfer hydrogenation activity, selectivity of furfuryl alcohol, and high reusability. The mechanism of catalytic transfer hydrogenation of furfural by Fe3O4@C obeys the Meerwein–Ponndorf–Verley reduction on a Lewis acid site (Fe3O4).
研究领域:
化学工程
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催化科学
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DOI
高影响因子
ChemCatChem
·
2023
·Vol. 15
·期 18
·e202300213
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IF 4.5
Shuqi Wang,Yingshuang Hui,Yulu Zhan,Lou Gao,Yahong Zhang,Yi Tang
Graphical Two catalytic transfer hydrogenation (CTH) routes of alditol production using biomass-derived sugars as the hydrogen donors in the aqueous solution, achieving a considerable yield of alditol and high hydrogen utilization ratio. The utilization of biomass-derived sugars as the emerging hydrogen donor in catalytic transfer hydrogenation (CTH) reactions has received great attention in recent years. In this work, we proposed two CTH routes of alditol production in the aqueous solution, i. e. self-disproportionation of sugar and cross CTH of different sugars. Both could realize the process of sugar towards alditol. Taking advantage of the differences in hydrogenation and dehydrogenation capabilities of different sugars, a high C4 alditol yield of 85.9 % was surprisingly obtained via cross CTH route using glucose as the hydrogen donor, which is much better than that obtained when using traditional hydrogen donor isopropanol. The CTH reactions using sugars as the hydrogen donor can not only reduce the utilization of fossil energy, but also provide a new pathway for the production of alditols.
研究领域:
化学工程
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可再生资源科学
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产品关联
DOI
高影响因子
FUEL
·
2023
·
IF 7.4
Shanshan Shao,Weicheng Wang,Xinyu Yang,Zian Ye,Jiayuan Sun,Xiaohua Li
A novel method was proposed for biomass fast pyrolysis oil upgrading using catalytic transfer hydrogenation (CTH) based on various CuO catalysts with methanol as the hydrogen donor. The carbonyl compounds in the bio-oil were hydrogenated to synthesize alcohols using a hydrotalcite-like Cu 2 Al catalyst at 200℃ for 4 h. The maximum yield of alcohols reached 73.81%. Cu 2 Al is well applicable to large-scale application in bio-oil CTH for its excellent CTH performance, treating capacity up to 10 vol%, and stable alcohol production during the 5th reuse process. Given the huge range of molecular size of the complex chemical composition of bio-oil, the CTH of raw bio-oil using three catalysts (i.e., CuO/BC, CuO/Al 2 O 3 , and Cu 2 Al) was compared. The CTH performance (71.56%) of CuO/Al 2 O 3 was significantly comparable to that of Cu 2 Al, and it is also a good choice. The main reason for this outcome was that the average pore size of the two catalysts was high (>5nm), which reduced the possibility of pore blockage during the reaction and improved stability. The reusability of CuO/BC was markedly lower for its small average pore size (∼2nm). Furthermore, the CTH of raw bio-oil over CuO catalyst was discussed in depth, such that a basis is laid for the upgrading and utilization of bio-oil.
研究领域:
化学工程
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可再生能源
✓ 已验证
DOI
高影响因子
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
·
2020
·Vol. 96
·期 3
·639-649
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IF 2.75
Shanshan Jiang,Jin Huang,Yue Wang,Shiyu Lu,Pei Li,Cuiqin Li,Feng Li
Abstact BACKGROUND Fe based metal organic frameworks (Fe-MOFs) were prepared by solvothermal method, and carbon loaded Fe 3 O 4 (Fe 3 O 4 /C) was prepared by pyrolytic carbonization and carbothermal reduction. RESULTS Various analytical techniques were used to characterize the physicochemical structure of Fe-MOFs and Fe 3 O 4 /C under different solvothermal and calcination conditions. Fe 3 O 4 /C was then employed as a catalyst for the catalytic transfer hydrogenation of furfural with alcohol as a hydrogen donor, and the effect of hydrogen donor species, reaction temperature, and reaction time were investigated. CONCLUSION The Fe 3 O 4 /C catalyst could be easily collected with a magnet and reused for four runs without significant loss of its catalytic. A possible mechanism for the catalytic transfer hydrogenation of furfural over Fe 3 O 4 /C was proposed. © 2020 Society of Chemical Industry (SCI)
研究领域:
化学工程
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材料科学
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DOI
高影响因子
CATALYSIS LETTERS
·
2025
·Vol. 155
·期 4
·1-8
·
IF 2.4
Zhang Qian,Li Yuanzheng,Pan Zhengyi,Wang Guang-Hui
Catalytic transfer hydrogenation (CTH) of α , β -unsaturated aldehydes to α , β -unsaturated alcohols over metal oxide catalysts is of potential for industrial application. Herein, we have developed a Ni/f - Al 2 O 3 catalyst comprising atomically dispersed Ni δ + (2 < δ < 3) species on porous leaf-like Al 2 O 3 , over which a > 97% yield of furfuryl alcohol (FOL) from CTH of furfural (FFR) is obtained with a turnover frequency (TOF) of 216 h − 1 . Most importantly, the catalyst can be recycled at least 6 times without obvious loss of activity. Its superior catalytic performance can be attributed to the abundant and stable Ni δ + -type acid-base pairs on the surface of Ni/f - Al 2 O 3 .
研究领域:
化学工程
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催化科学
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产品关联
DOI
高影响因子
RENEWABLE ENERGY
·
2023
·
IF 8.7
Xinyu Yang,Shanshan Shao,Xiaohua Li,Dong Tang
The catalytic transfer hydrogenation (CTH) of bio-oil over CuO/PC (porous carbon) with the solid residue produced during biomass pyrolysis as the carrier was investigated with methanol as the hydrogen donor. The effect of carbonization temperature, activation temperature, KOH solution and metal loading on the physicochemical characteristics of CuO/PC catalystand catalytic transfer hydrogenation of bio-oil were investigated. The main alcohols formed in the CTH of bio-oil were 1, 4-butanediol, 1, 3-cyclopentadiol, 1, 3-cyclohexanediol, 2-cyclohexenol and alcohols. It was revealed that more alcohols were produced over CuO/PC using less Cu(NO 3 ) 2 than Cu 2 Al considering their favorable porous system. The well-developed pore structure is formed in PC at a higher calcination temperature and the concentration of activator, which was favorable for the CTH of bio-oil. Under the optimized preparation conditions, the mesopores accounting for 50% in the total pores, achieving the maximized yield of alcohols of 81%, and the well recycling performance was observed with the overall yield of alcohols decreases within 3% after five cycles because of the greater mesopores ratio. The biochar-based PC catalyst in this work enhances the effective usage of biomass to produce alcohols, fully conforming to the theme of energy conservation and low-carbon times.
研究领域:
能源与环境科学
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催化化学
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DOI
高影响因子
APPLIED CATALYSIS A-GENERAL
·
2020
·
IF 5.006
Guangzhi Xu,Chen Liu,Aiyun Hu,Shan Wang,Haijun Wang
With the increasing demand for fossil energy and carbon resources, improving the efficiency of fossil resource utilization and exploring new ways of carbon resource utilization have become the key issues facing social development. Here, we successfully synthesized zirconium tannate(Zr-TA) from tannic acid(TA) and zirconium tetrachloride(ZrCl 4 ) for catalytic transfer hydrogenation(CTH) of furfural(FF) to furfurfuryl alcohol(FA) with 100 % conversion of FF and 98.2 % yield of FA at 120 °C for 80 min. The physical properties of the catalysts and the optimum conditions for hydrogenation reaction were explored through different characterization techniques and experiments. In addition, the Zr-TA could be recycled eight times without significant loss of activity and possible reaction mechanism were proposed.
研究领域:
化学工程
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催化材料
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产品关联
DOI
高影响因子
CATALYSIS LETTERS
·
2022
·Vol. 152
·期 12
·3537-3547
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IF 2.936
Liu Zonghui,Zhang Zhongze,Wen Zhe,Xue Bing
Development of simple and high performance solid catalysts for the utilization of biomass has become an important research topic in heterogeneous catalysis and sustainable chemistry. Herein, a highly efficient catalytic system was studied for the catalytic transfer hydrogenation of furfural to high value furfuryl alcohol over a series of acidic or basic oxides catalysts. Among those oxides, acidic Al 2 O 3 is identified as the most effective for FAL production, giving a FUR conversion as high as 40% (FUR consumption rate was 186 mmol g cat −1 h −1 ) and FAL selectivity of 99% after only 5 min at 150 °C using 2-propanol as the H-donor and solvent. Furthermore, the as prepared Al 2 O 3 give an Ea value of 15.2 kJ/mol, which is much lower than other complex catalysts in the literatures. Correlating the catalyst performance with its physical and chemical properties uncovers that the large specific surface area and high acidity of Al 2 O 3 would be the key to the catalyst performance. Graphical Abstract
研究领域:
催化化学
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可持续化学
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产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2019
·
IF 4.084
Feng Li,Wenxi Zhu,Shanshan Jiang,Yue Wang,Hua Song,Cuiqin Li
In this study, magnetic Fe 3 O 4 modified Ru/Carbon nanotubes (CNTs) catalysts were used to achieve the catalytic transfer hydrogenation of furfural (FF) to furfuryl alcohol (FFA), with alcohols as the solvent and hydrogen donors . According to the result of the catalyst characterization, Fe 3 O 4 promoted the formation of Ru 0 species. The effects of Fe 3 O 4 loading and different hydrogen donors on the catalytic transfer hydrogenation of FF were tested, and the reaction parameters and catalyst stability were also analyzed. It is found that Fe 3 O 4 effectively enhanced the activity of Ru/CNTs in catalytic transfer hydrogenation of FF, the catalytic activity was optimized at the Fe 3 O 4 loading of 5 wt%, and the optimal hydrogen donor was i -propanol. Moreover, the Ru–Fe 3 O 4 /CNTs could be easily collected for further use and possessed excellent stability. The mechanism of the catalytic transfer hydrogenation of FF using Ru–Fe 3 O 4 /CNTs was discussed, and the corresponding catalyst activity groups included metal Ru sites and RuO x -Fe 3 O 4 Lewis acid sites, which account for the excellent catalytic activity of transfer hydrogenation.
研究领域:
化学工程
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催化材料科学
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DOI
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2024
·
IF 2.7
Mingyuan Jian,Kecan Dou,Deqiong Xie,Gaomei Tu,Weidong Zhu,Fumin Zhang
This study introduces a novel catalyst designated as 2.6% Co/MXene, comprising cobalt (Co) nanoparticles supported by MXene. Synthesis of the 2.6% Co/MXene catalyst involved direct pyrolysis of a composite material, composed of a Co/Zn bimetal metal-organic framework and MXene. Catalytic transfer hydrogenation of functionalized nitro compounds into the corresponding formamides employed formic acid as both the hydrogen donor and formylation agent, demonstrating remarkable activity and selectivity. Control experiments validated that Co nanoparticles served as the active sites for reductive transformation. Systematic characterizations and comprehensive experiments have confirmed that the superior catalytic performance of the 2.6% Co/MXene catalyst can be attributed to the uniform distribution of Co nanoparticles, a high density of basic sites, and the 3D porous architecture of the MXene support. Furthermore, the 2.6% Co/MXene catalyst exhibited excellent recyclability, preserving its catalytic activity and selectivity across four consecutive cycles.
研究领域:
材料科学
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催化化学
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产品关联
DOI
高影响因子
ACS Sustainable Chemistry & Engineering
·
2024
·
IF 7.1
Xinge Miao,Pengxin Yu,Mingzhi Du,Yongsheng Yuan,Jianyu Han,Jingen Long,Lingzhao Kong,Junju Mu,Weiran Yang
Herein, a new method to selectively convert tartaric acid to succinic acid was developed by catalytic transfer hydrogenation using iodine as the catalyst and methyl isobutyl ketone (MIBK) as both the hydrogen donor and the solvent. Under optimized reaction conditions, 85% succinic acid can be obtained directly from tartaric acid with a catalytic amount of iodine in MIBK at 160 °C for 4 h. Moreover, succinic acid can automatically precipitate out from the reaction solvent after cooling due to its much lower solubility in MIBK at room temperature, which provides an easy way for product separation. The detailed mechanism has been studied extensively by control experiments. The cheap catalyst, mild reaction condition, and easy separation of the product make this process a green path for succinic acid production.
研究领域:
化学工程
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绿色化学
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产品关联
DOI
高影响因子
RENEWABLE ENERGY
·
2023
·
IF 8.7
Feiyi Chen,Yue Wang,Junhua Zhang,Huai Liu,Lincai Peng
Although metal oxide has unique advantages in catalytic transfer hydrogenation (CTH) of furfural (FAL) into furfuryl alcohol (FOL), the excessive stability of the metal site and oxygen coordination leads to the inert Lewis acid site in the oxide, which affects the catalytic activity and limits its broader application. It is known that the hydroxyl group on the oxide surface can promote the adsorption of isopropanol in an alkoxide species by assisting its deprotonation, thereby activating the metal site and enhance the overall reaction activity. However, constructing metal oxide with rich hydroxyl groups is always challenging. This contribution prepared a series of HfO 2 nanoparticles (NPs) with rich hydroxyl groups through hydrothermal methods . Systematic characterizations proved the presence of hydroxyl groups on the surface of HfO 2 NPs, which promoted its adsorption capacity for isopropanol (hydrogen donor and reaction solvent) and substrate (FAL), thus accelerating the subsequent reaction for CTH of FAL into FOL. As a result, a 100% of FAL conversion with 95.2% of FOL yield was obtained at 160 °C in 4 h, which has significant advantages over commercial and other literature reported oxides. This finding provides a new idea for designing of efficient metal oxides for the CTH reaction by enhancing the hydroxyl group.
研究领域:
材料科学
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催化化学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）