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Received February 26, 2002
Accepted March 28, 2002
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Characterization of Nickel Sulfate Supported on γ-Al2O3 and its Relationship to Acidic Properties
Department of Industrial Chemistry, Engineering College, Kyungpook National University, Daegu 702-701, Korea
jrsohn@knu.ac.kr
Korean Journal of Chemical Engineering, July 2002, 19(4), 580-586(7), 10.1007/BF02699299
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Abstract
A series of NiSO4/γ-Al2O3 catalysts were prepared by the impregnation method using an aqueous solution of nickel sulfate. The high catalytic activity of NiSO4/γ-Al2O3 for both 2-propanol dehydration and cumene dealkylation was related to the increase of acidity and acid strength due to the addition of NiSO4. 20(wt%)-NiSO4/γ-Al2O3 calcined at 600 ℃ exhibited maximum catalytic activities for 2-propanol dehydration and cumene dealkylation. The catalytic activities for both reactions were correlated with the acidity of catalysts measured by the ammonia chemisorption method.
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References
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DeCanio SJ, Sohn JR, Fritz PO, Lunsford JH, J. Catal., 101, 132 (1986)
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Hsu CY, Heimbuch CR, Armes CT, Gates BC, J. Chem. Soc.-Chem. Commun., 1645 (1992)
Hua WM, Xia YD, Yue YH, Gao Z, J. Catal., 196(1), 104 (2000)
Jin T, Yamaguchi T, Tanabe K, J. Phys. Chem., 90, 4794 (1986)
Keogh RA, Srinivasan R, Davis BH, J. Catal., 151(2), 292 (1995)
Lee JK, Rhee HK, Korean J. Chem. Eng., 14(6), 451 (1997)
Olah GA, Prakash GKS, Sommer J, Science, 206, 13 (1979)
Satsuma A, Hattori A, Mizutani K, Furuta A, Miyamoto A, Hattori T, Murakami Y, J. Phys. Chem., 92, 6052 (1988)
Saur O, Bensitel M, Saad ABM, Lavalley JC, Tripp CP, Morrow BA, J. Catal., 99, 104 (1986)
Siriwardane RV, Poston JA, Fisher EP, Shen MS, Miltz AL, Appl. Surf. Sci., 152, 219 (1999)
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Sohn JR, Cho SG, Pae YI, Hayashi S, J. Catal., 159(1), 170 (1996)
Sohn JR, Jang HJ, Kim HW, Korean J. Chem. Eng., 7(1), 7 (1990)
Sohn JR, Kim JG, Kwon TD, Park EH, Langmuir, 18(5), 1666 (2002)
Sohn JR, Ozaki A, J. Catal., 61, 29 (1980)
Sohn JR, Park MY, Langmuir, 14(21), 6140 (1998)
Sohn JR, Park WC, Korean J. Chem. Eng., 17(6), 727 (2000)
Sohn JR, Ryu SG, Langmuir, 9, 126 (1993)
Tanabe K, "Solid Acids and Bases," Kodansa, Tokyo (1970)
Tanabe K, Misono M, Ono Y, Hattori J, "New Solid Acids and Bases," Elsevier Science, Amsterdam (1989)
Vaudagna SR, Comelli RA, Canavese SA, Figoli NS, J. Catal., 169(1), 389 (1997)
Yamaguchi T, Appl. Catal., 61, 1 (1990)
