CATALYTIC ACTIVITIES AND ACID STRENGTHS OF NiO-ZrO<SUB>2</SUB> CATALYSTS MODIFIED WITH ACIDS

SOHN JR; JANG HJ; KIM HW

Korean Journal of Chemical Engineering, Vol.7, No.1, 7-12, January, 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, H₂SO₄, H₃PO₄ and H₃BO₃. 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.

[References]

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[Referenced By]

[1] Sohn JR, Ozaki A, J. Catal., 59, 303 (1979)

[2] Sohn JR, Ozaki A, J. Catal., 61, 29 (1980)

[3] Uchida H, Imai H, Bull. Chem. Soc. Jpn., 35, 989 (1962)

[4] Uchida H, Imai H, Bull. Chem. Soc. Jpn., 35, 995 (1962)

[5] Uchida H, Imai H, Bull. Chem. Soc. Jpn., 38, 295 (1965)

[6] Hogan JP, Banks RL, Lanning WC, Clark A, Ind. Eng. Chem., 47, 752 (1955)

[7] Wendt G, Fritsch E, Schollner R, Siegel H, Z. Anorg. Allg. Chem., 467, 51 (1980)

[8] Ozaki A, Kimura K, J. Catal., 3, 395 (1964)

[9] Kimura K, Ozaki A, J. Catal., 18, 217 (1970)

[10] Maruya K, Ozaki A, Bull. Chem. Soc. Jpn., 46, 351 (1973)

[11] Sohn JR, Kim HJ, J. Catal., 101, 428 (1986)

[12] Sohn JR, Kim NW, Kim JT, Korean J. Chem. Eng., 4(1), 1 (1987)

[13] Sohn JR, Kim HJ, Bull. Korean Chem. Soc., 6, 248 (1985)

[14] Johnson O, J. Phys. Chem., 59, 827 (1955)

[15] Holm VCF, Bailey GC, Clark A, J. Phys. Chem., 63, 129 (1959)

[16] Watanabe Y, Tanabe K, J. Res. Inst. Catal., Hokkaido Univ., 12, 56 (1969)

[17] Walling C, J. Am. Chem. Soc., 72, 1164 (1950)

[18] Hammett LP, Deyrup AJ, J. Am. Chem. Soc., 54, 2721 (1932)

[19] Misono M, Saito Y, Yoneda Y, Proc. Intern. Congr. Catalysis, 3rd Amsterdam, II, No. 6 (1964)

[20] Nakamoto K, "Infrared and Raman Spectra of Inorganic and Coordination Compounds," 3rd ed., p. 241, Wiley, New York (1987)

[21] Parfitt RL, Smart RC, J. Chem. Soc.-Faraday Trans., 73, 796 (1977)

[22] Parfitt RL, Russel JD, Farmer VC, J. Chem. Soc.-Faraday Trans., 72, 1082 (1976)

[23] Chapman AC, Thirlwell LE, Spectrochim. Acta, 20, 937 (1964)

[24] Kamitsos EI, Karakassides MA, Chryssikos GD, J. Phys. Chem., 90, 4528 (1986)

[25] Haag WO, Pines H, J. Am. Chem. Soc., 82, 387 (1960)

[26] Haag WO, Pines H, J. Am. Chem. Soc., 82, 2488 (1960)

[27] Wei J, Prater CD, Adv. Catal., 13, 203 (1962)

[28] Hightower JW, Gerberich HR, Hall WK, J. Catal., 7, 57 (1967)

[29] Hutig GF, Pater A, Z. Anorg. Chem., 189, 183 (1930)