Category: ethers-buliding-blocks. Recently I am researching about MESOPOROUS ZSM-5; CATALYTIC DEHYDRATION; DIRECT OXIDATION; PORE STRUCTURES; H-ZSM-5; ETHANOL; CARBON; CONVERSION; DIFFUSION; BIOMASS, Saw an article supported by the Australian Research Council Discovery ProjectsAustralian Research Council [DP150103842, DP180104010]; SOAR Fellowship; Sydney Nano Grand Challenge from the University of Sydney. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Zhao, SF; Wang, WD; Wang, LZ; Schwieger, W; Wang, W; Huang, J. The CAS is 103-50-4. Through research, I have a further understanding and discovery of Benzyl ether
A hierarchical ZSM-5 zeolite with an adjustable mesoporous size is required for many chemical processes including the biorefining of big biomass compounds. In this research, a simple and high-efficiency hard template method has been successfully developed by adopting carbon nanoparticles obtained from carbonation of polyethylene oxide and urea. The abundant -C-O-C- groups on the surface of carbon nanoparticles provide the high hydrophilicity (from -C-O-C- to -C-O-H) in the alkaline synthetic gel solution, which promotes the synthesis of hierarchical ZSM-5 zeolite and the aluminum condensation in the silica framework to improve the Bronsted acidity. The as-synthesized hierarchical zeolites exhibited two sets of channel systems: micropores (similar to 0.55 nm) are from the MFI framework network, and mesopores (similar to 12.5 and similar to 34.5 nm) result from carbon nanoparticles of 10-40 nm in size, respectively. The hierarchical ZSM-5 with minimized extraframework aluminum species showed catalytic performance with high ethanol conversion (100%) and high stability (lifetime above 30 h) in the ethanol to olefins conversion. Importantly, the diffusion efficiency in ZSM-5 with mesoporous size was remarkably improved, compared to the catalyst with mesoporous size similar to 12.5 nm. As the benzylation of mesitylene with benzyl alcohol, the ZSM-5 (similar to 34.5 nm) sample showed the highest conversion in benzyl alcohol (82.0%) and selectivity in 2-benzyl-1,3,5-trimethylbenzene (74.3%).
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Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem