Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over supported MoS<sub>2</sub> catalysts

Ji, Na; Diao, Xinyong; Yu, Zhihao; Liu, Zhenyu; Jiang, Sinan; Lü, Xuebin; Song, Chunfeng; Liu, Qingling; Ma, Degang; Liu, Caixia

doi:10.1039/d1cy00524c

Cited by 20 publications

(3 citation statements)

References 60 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Besides, different alternatives were recently proposed to produce GVL using i-PrOH as H-source; [197,198] the use of Zr-based materials dominates the MPV reaction for the catalytic transfer hydrogenation to LA or levulinates, due to the high efficiency of the developed procedures and the low-cost of catalysts. [199][200][201][202][203][204][205][206][207][208][209][210][211][212][213][214][215][216][217] Dumesic and coworkers demonstrated for the first time that a cheap and easily regenerable heterogeneous catalyst gave high GVL yield in MPV reactions.…”

Section: Lohcs In Gvl Production From Levulinic Acid and Levulinatesmentioning

confidence: 99%

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Valentini

Marrocchi

Vaccaro

2022

Advanced Energy Materials

View full text Add to dashboard Cite

consumption combined with a resource efficient circular economy approach, with the final goal of minimizing the impact of health, safety, security and environment.In the design of a greener future, the replacement of depleting sources with renewable ones is at the center of a sustainable development. [2] Biomass is a natural, abundant, renewable, carbon-neutral source; its use represents a promising strategy to address the need for substituting fossil feedstock in the preparation of chemicals, fuels, and materials, besides energy production. [3][4][5][6][7][8][9][10][11][12][13][14] The major issues that limit the large-scale utilization of biomass in fuel production are the differences in cost and process efficiencies compared to those for fossil fuels. [15] After the Covid-19 crisis, this aspect has become even more evident, as reported by the International Agency of Energy, ultimately causing the first contraction in biofuel production over the past two decades. [16] The reduced transport fuel demand and the decreased petroleum-based fuel prices have transitorily lowered the economic interest for biofuel production. In this pandemic and emergency scenario, therefore, has emerged even more clearly the importance of developing efficient strategies for biomass conversion into fuels, making economically attractive the use of environmentally friendly renewable energy systems (Figure 1). [17] Among the plethora of biomass transformations, hydrogenation and hydrodeoxygenation reactions are widely used for decreasing the oxygen content of biomass-derived platforms to increase their potential as fuels. [18][19][20] In this context, as well as in the challenging goal of creating a decarbonized energy system, hydrogen plays a prominent role in the chemical industry. [21][22][23][24] It is important to notice that the vast majority of the worldwide hydrogen production (45-65 Mt/year) features a significant CO 2 footprint as a consequence of different hydrocarbon reforming processes (i.e., steam-reforming of fossil fuels, thermal cracking of natural gas, solar-thermal reforming of methane) or of coal gasification. [25] Several efforts have been directed during the past years toward the definition of possible effective approaches to a green H 2 production by water splitting. [26][27][28][29][30][31] To date, however, both water electrolysis and photo-driven water splitting are economically and energetically unfavorable, with a long way ahead to hold the promise of a zero-carbon energy system. Indeed, the associated energy demand as well as the low market prices of oxygen, inevitably co-produced from water electrolysis, hinder the shaping of a large-scale employment of this technology.Liquid organic hydrogen carriers (LOHCs) are attractive materials for their ability to generate in situ hydrogen that may be directly used to produce target biofuel precursors, fuels or fuel additives. Indeed, the replacement of fossil feedstock is an urgent necessity for shifting toward a carbon neutral energy economy. Several desired chemica...

show abstract

Section: Lohcs In Gvl Production From Levulinic Acid and Levulinatesmentioning

confidence: 99%

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Valentini

Marrocchi

Vaccaro

2022

Advanced Energy Materials

View full text Add to dashboard Cite

show abstract

“…Such pairs are effective for -H abstraction and migration steps, 36 and also weaken the Lewis acidity of Zr 4+ species which is expected to impact on 2-isopropanol activation and associated CTH. 37 The importance of Lewis and Brønsted acidity for the cascade conversion of EL to GVL is well-documented, [38][39][40] with the initial CTH step promoted by Lewis acid sites, and the subsequent lactonization-dealcoholisation step accelerated by Brønsted acid sites (Scheme 3). Only trace isopropyl levulinate from the competing transesterification of EL with 2-isopropanol was observed (Fig.…”

Section: Batch Synthesis Of γ-Valerolactone From Ethyl Levulinatementioning

confidence: 99%

Liquid phase catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over ZrO₂/SBA-15

Osatiashtiani

Orr

Durndell

et al. 2022

Catal. Sci. Technol.

View full text Add to dashboard Cite

show abstract

“…At the same time, it can improve the low-temperature fluidity of mixed diesel and give it better combustion efficiency [11]. EL is also used as the substrate for the synthesis of downstream products, such as γ-valerolactone obtained by the transfer hydrogenation of EL [12].…”

Section: Introductionmentioning

confidence: 99%

Lignin-Derived Ternary Polymeric Carbon as a Green Catalyst for Ethyl Levulinate Upgrading from Fructose

Liu

Luo

et al. 2022

Catalysts

View full text Add to dashboard Cite

Currently, the utilization of lignocellulose mainly focuses on the conversion of polysaccharide components to value-added chemicals, such as ethyl levulinate (EL). Lignin is an important component of lignocellulosic biomass that is often neglected. Herein, ternary polymeric carbon (TPC–S) was synthesized by polymerization of mixed monomers (4-methylphenol, 4-ethylphenol, and 4-propylphenol) derived from lignin and subsequent sulfonation, which was used as a heterogeneous catalyst for the transformation of fructose to EL. Through a series of characterization methods, it was illustrated that the prepared catalyst had a layered porous structure. The calculated carbon layer spacing is 0.413 nm, and the average pore size is 5.1 nm. This structure greatly increases the specific surface area (165.2 m2/g) of the catalyst, which makes it possible to introduce more –SO3H species in the process of sulfonation, thus furnishing EL with increased yield. The effects of reaction temperature, time, catalyst dosage, and fructose initial concentration on the production of EL were investigated. It was found that 70.3% EL yield was detected at 130 °C for 10 h. In addition, the catalyst had good stability and could obtain 65.6% yield of EL in the fourth cycle. The obtained catalyst has the advantages of low cost, easy preparation, and high catalytic efficiency, which is expected to achieve efficient utilization of lignin and provide a potential solution for the future production of EL.

show abstract

Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over supported MoS₂ catalysts

Abstract: The hydrogenation of levulinate esters to γ-valerolactone (GVL) is an important step in the transformation of biomass into biofuels. It is attractive to develop new efficient systems for the catalytic...

Cited by 20 publications

References 60 publications

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Liquid phase catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over ZrO₂/SBA-15

Lignin-Derived Ternary Polymeric Carbon as a Green Catalyst for Ethyl Levulinate Upgrading from Fructose

Contact Info

Product

Resources

About

Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over supported MoS2 catalysts

Abstract: The hydrogenation of levulinate esters to γ-valerolactone (GVL) is an important step in the transformation of biomass into biofuels. It is attractive to develop new efficient systems for the catalytic...

Cited by 20 publications

References 60 publications

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Liquid Organic Hydrogen Carriers (LOHCs) as H‐Source for Bio‐Derived Fuels and Additives Production

Liquid phase catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over ZrO2/SBA-15

Lignin-Derived Ternary Polymeric Carbon as a Green Catalyst for Ethyl Levulinate Upgrading from Fructose

Contact Info

Product

Resources

About

Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over supported MoS₂ catalysts

Liquid phase catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over ZrO₂/SBA-15