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The Pt-bearing H3PW12O40 (PW) catalysts, promoted by Cr or La, supported on dealuminated USY zeolite were prepared and their catalytic activities were evaluated in the hydroisomerization of n-heptane with an atmospheric fixed-bed reactor. The catalysts were characterized by XRD, BET, IR and H2-chemisorption. The results showed that the dealuminated USY support retained the Y zeolite structure and...
A series of Pt-bearing dealuminated USY supported Cs salts of 12-tungstophosphoric acid (PW) catalysts were prepared and their catalytic performances were measured in the hydroisomerization of n-heptane with an atmospheric fixed-bed flow reactor. USY was found to be a poor support for Cs salts of PW, leading to a lower catalytic activity in this reaction, but dealuminated USY supported Cs salts of...
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