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Highly enhanced activity and better stability for hydrodeoxygenation of stearic acid and microalgae oil has been reported for Ni/HBEA catalysts by C. Zhao, J. A. Lercher, and W. Song in their Full Paper on page 9833 ff. Improved synthetic techniques realize much smaller and more homogeneously dispersed Ni particles in the resultant catalysts, and the roles of average size and uniformity are thus highlighted.
Improved synthetic approaches for preparing small‐sized Ni nanoparticles (d=3 nm) supported on HBEA zeolite have been explored and compared with the traditional impregnation method. The formation of surface nickel silicate/aluminate involved in the two precipitation processes are inferred to lead to the stronger interaction between the metal and the support. The lower Brønsted acid concentrations...
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