Korean Journal of Chemical Engineering, Vol.7, No.1, 7-12, 1990
CATALYTIC ACTIVITIES AND ACID STRENGTHS OF NiO-ZrO2 CATALYSTS MODIFIED WITH ACIDS
A series of NiO-ZrO2 catalysts were prepared by coprecipitation from the mixed aqueous solution of nickel choride-zirconium oxychloride, and were modified with acids, H2 SO4 , H3 PO4 and H3 BO3 . It was found that the NiO-ZrO2 catalyst containing 25 mole percent of nickel oxide and evacuated at 400℃ for 1.5 hr showed maximum catalytic activities for 1-butene isomerization and ethylene dimerization. The catalytic activities for both isomerization and dimerization were correlated with the acid strengths of the catalysts. The isomerization activity of 1-butene ran parallel with the dimerization activity of ethylene, although the isomerization took place on relatively weak acid sites as compared with the dimerization.
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Sohn JR, Lee DG, Korean Journal of Chemical Engineering , 20 (6), 1030, 2003
Sohn JR, Journal of the Korean Industrial and Engineering Chemistry , 3 (1), 7, 1992
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