Performances and Mechanisms of Dehydration of Levoglucosan to Levoglucosenone over Cesium Heterpolyacid Salts DOI
Xin Huang,

Guangchuan Tang,

Lei Tang

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(20), P. 19668 - 19675

Published: Oct. 9, 2024

Bio-based platform chemicals are of great significance to future green fine and commodity chemicals. This study reports the performances mechanisms solvothermal dehydration levoglucosan (LGA), main precursor from noncatalytic pyrolysis cellulose with a yield up 80 wt %, levoglucosenone (LGO) using cesium heteropolyacid salts at catalyst in DMSO solvent. Catalyst characterizations revealed that was well doped cubic heteropolyacids, doping ratio substantially influenced catalytic toward LGO. LGO first increased then decreased increase ratios, which is consistent change trends pore structures Brønsted/Lewis acid site ratios salts. obtained maximum 41.2% over Cs2H2SiW12O40 compared 39.2% Cs2.5H0.5PW12O40. The can be regenerated by calcination without losing its performances. In addition, density functional theory calculation used reveal mechanism for formation, rate-determining step reaction energy barrier 166 kJ/mol.

Language: Английский

Exploring Ni-Based Alkaline OER Catalysts: A Comprehensive Review of Structures, Performance, and In Situ Characterization Methods DOI Creative Commons

Zhanhong Xiao,

Xiaosheng Tang,

Feng Gao

et al.

DeCarbon, Journal Year: 2025, Volume and Issue: unknown, P. 100097 - 100097

Published: Jan. 1, 2025

Language: Английский

Citations

2
Hierarchical and flexible electrode with precise H2-production for in vivo liver cancer therapy DOI
Hao Hu, Jiacheng Wang, Si Zhang

et al.

Chinese Chemical Letters, Journal Year: 2025, Volume and Issue: unknown, P. 110866 - 110866

Published: Jan. 1, 2025

Language: Английский

Citations

0
Nature-Inspired Bioreactor for Enzymatic Hydrolysis of Non-Newtonian Biomass Slurry: A Numerical Study DOI
Ao Xia,

Chang Zhang,

Tong Zhu

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 26, 2025

Language: Английский

Citations

0
Pressure-dependent catalytic combustion of low-concentration methane: mechanisms and kinetic behavior on Mn-Ce-Cu catalysts DOI
Ziqi Wang, Zhongqing Yang, Jiaqi Qiu

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 133130 - 133130

Published: April 1, 2025

Language: Английский

Citations

0
Tandem Mechano-Enzymatic Catalysis: A Green Revolution in Lignocellulosic Biomass Pretreatment via Contact-Electro-Catalysis DOI
Linyang Li, Junjun Wu, Ao Xia

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: April 28, 2025

Language: Английский

Citations

0
Recent Progress on the Production of Liquid Fuel 2,5-Dimethylfuran via Chemoselective Hydrogenolysis Biomass-Derived 5-Hydroxymethylfurfural DOI Open Access

Jiadai He,

Jiayi Peng,

R. G. Ling

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 15(1), P. 31 - 31

Published: Dec. 31, 2024

5-Hydroxymethylfurfural (HMF) is regarded as an important representative of biomass-derived platform chemicals due to its multiple functional groups, including a hydroxyl group, aldehyde and furan ring within molecular structure. Chemoselective hydrogenolysis HMF produce high-value-added liquid fuel 2,5-dimethylfuran (DMF) has emerged prominent area research nowadays. The present review provides comprehensive overview the recent advancements in catalyst design for efficient DMF production from HMF, with primary focus on elucidating key factors influencing reaction. This encompasses extensive range types reaction conditions. Furthermore, mechanisms over active sites various catalysts are analyzed depth. Drawing upon summary existing research, this discusses future prospects catalytic valuable insights conversion biomass resources.

Language: Английский

Citations

1
Performances and Mechanisms of Dehydration of Levoglucosan to Levoglucosenone over Cesium Heterpolyacid Salts DOI
Xin Huang,

Guangchuan Tang,

Lei Tang

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(20), P. 19668 - 19675

Published: Oct. 9, 2024

Bio-based platform chemicals are of great significance to future green fine and commodity chemicals. This study reports the performances mechanisms solvothermal dehydration levoglucosan (LGA), main precursor from noncatalytic pyrolysis cellulose with a yield up 80 wt %, levoglucosenone (LGO) using cesium heteropolyacid salts at catalyst in DMSO solvent. Catalyst characterizations revealed that was well doped cubic heteropolyacids, doping ratio substantially influenced catalytic toward LGO. LGO first increased then decreased increase ratios, which is consistent change trends pore structures Brønsted/Lewis acid site ratios salts. obtained maximum 41.2% over Cs2H2SiW12O40 compared 39.2% Cs2.5H0.5PW12O40. The can be regenerated by calcination without losing its performances. In addition, density functional theory calculation used reveal mechanism for formation, rate-determining step reaction energy barrier 166 kJ/mol.

Language: Английский

Citations

0