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Catalysts for High Cetane Ethers as Diesel Fuels
ABSTRACT
A tungstena-zirconia (WZ) catalyst has been investigated for coupling methanol and
isobutanol to unsymmetrical ethers, i.e. methyl isobutyl ether (MIBE) and compared with
earlier studied sulfated-zirconia (SZ) and Nafion-H catalysts. In all cases, the ether synthesis
mechanism is a dual site SN2 process involving competitive adsorption of reactants on
proximal acid sites. At low reaction temperatures, methylisobutylether (MIBE) is the
predominant product. However, at temperatures >135
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Klier, Kamil; Herman, Richard G.; Kwon, Heock-Hoi; Shen, James G. C.; Ma, Qisheng; Hunsicker, Robert A. et al. Catalysts for High Cetane Ethers as Diesel Fuels, report, March 1, 2003; United States. (https://digital.library.unt.edu/ark:/67531/metadc780678/m1/3/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.