Results 11 to 20 of about 5,505 (199)

Pd/C promotes C–H bond activation and oxidation of p-hydroxybenzoate during hydrogenolysis of poplar [PDF]

Nature Communications
Hydrogenolysis of lignin generates a portfolio of products, the yields of which are generally calculated using a subset of phenolic monomers that are dependent on the lignin composition, product distribution, and analytical technique.
Canan Sener, Vitaliy I. Timokhin, Jan Hellinger, John Ralph, Steven D. Karlen   +4 more
doaj   +2 more sources

CeO₂ Promoted Ni/Al₂O₃ Catalyst for the Enhanced Hydrogenolysis of Glucose to 1,2-Propanediol Performance [PDF]

Molecules
The selective hydrogenolysis of glucose into 1,2-propanediol (1,2-PG) constitutes a significant yet challenging transformation in biomass valorization, as it involves a highly coupled network of isomerization, C-C bond cleavage, and hydrogenation steps ...
Yu Jiang, Xiaoli Pan, Jifeng Pang, Pengfei Wu, Qinggang Liu, Mingyuan Zheng   +5 more
doaj   +2 more sources

Selective Deoxygenation of Biomass Polyols into Diols [PDF]

Molecules
The transition to a sustainable chemical industry necessitates efficient valorization of biomass, with polyols serving as versatile, renewable feedstocks. This comprehensive review, focusing on advancements within the last five years, critically analyzes
Juan Carlos Serrano-Ruiz
doaj   +2 more sources

Catalytic Hydrogenolysis of Lignin for the Synthesis of Biokerosene

Chemical Engineering Transactions, 2019
In this work, catalyst consisting of Ru deposited on hypercrosslinked polystyrene (HPS) was investigated in the process of hydrogenolysis of lignin isolated from different substrates.
Elena I. Shimanskaya, Esther M. Sulman, Aleksandrina M. Sulman, Antonina A. Stepacheva, Mikhail G. Sulman, Valentin Yu. Doluda   +5 more
doaj   +1 more source

Catalytic Cleavage of the C-O Bond in 2,6-dimethoxyphenol Without External Hydrogen or Organic Solvent Using Catalytic Vanadium Metal

Frontiers in Chemistry, 2020
Hydrogenolysis of the C-O bonds in lignin, which promises to be able to generate fuels and chemical feedstocks from biomass, is a particularly challenging and important area of investigation.
Peng Yu, Xue Xie, Pengfei Tan, Wei Zhang, Zhiguo Wang, Chun Zhang, Hui Liu   +6 more
doaj   +1 more source

Controlling the selectivity of the hydrogenolysis of polyamides catalysed by ceria-supported metal nanoparticles

Nature Communications, 2023
Catalytic hydrogenolysis is a promising approach to transform waste plastic into valuable chemicals. However, the transformation of N-containing polymers, such as polyamides (i.e.
XinBang Wu, Wei-Tse Lee, Roland C. Turnell-Ritson, Pauline C. L. Delannoi, Kun-Han Lin, Paul J. Dyson   +5 more
doaj   +1 more source

Selective Degradation of Polyurethanes in Mixed Plastic Wastes via Ir‐Catalyzed Hydrogenolysis

Angewandte Chemie, EarlyView.
The selective degradation of polyurethanes in mixed plastic wastes with polyesters and polyamides was achieved using H2 as a reactant, enabling simultaneous recovery of diformamides and polyols arising from polyurethanes and separation of polyesters and polyamides without any degradation.
Yuto Yamada, Takanori Iwasaki, Shinji Tanaka, Kyoko Nozaki   +3 more
wiley   +2 more sources

Integrated Cascade Biorefinery Processes to Transform Woody Biomass Into Phenolic Monomers and Carbon Quantum Dots

Frontiers in Bioengineering and Biotechnology, 2021
A novel cascade biorefinery strategy toward phenolic monomers and carbon quantum dots (CQDs) is proposed here via coupling catalytic hydrogenolysis and hydrothermal treatment.
Xue Chen, Jiubin Zhu, Wenlu Song, Ling-Ping Xiao, Ling-Ping Xiao   +4 more
doaj   +1 more source

Catalytic Hydrogenolysis Lignin to Obtain Phenols: A Review of Selective Cleavage of Ether Bonds

BioResources, 2023
Lignin depolymerized phenolic compounds and biofuel precursors are ideal value-added products for lignin residues generated in biorefineries and modern paper pulp facilities.
Xiongjian Du, Shubin Wu, Penghui Li
doaj   +2 more sources

Efficient Vapor‐Phase Selective Hydrogenolysis of Bio‐Levulinic Acid to γ‐Valerolactone Using Cu Supported on Hydrotalcite Catalysts

Global Challenges, 2018
In this work, Cu nanoparticles (Cu NPs, 2‐20 nm) supported on Hydrotalcite catalysts exhibit enhanced selectivity for γ‐valerolactone (GVL) during hydrogenolysis of levulinic acid (LA).
Harisekhar Mitta, Prem Kumar Seelam, K. V. Raghava Chary, Suresh Mutyala, Rajender Boddula, Inamuddin, Abdullah M. Asiri   +6 more
doaj   +1 more source