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- W905099367 abstract "A series of catalysts, NiSO 4 /TiO 2 , for ethylene dimerization was prepared by the impregnation method using aqueous solution of nickel sulfate. On the basis of the results obtained from X-ray diffraction, the addition ofNiSO 4 shifted the transition of TiO 2 from the anatase to the rutile phase toward higher temperatures due to the interaction between NiSO 4 and TiO 2 . Nickel sulfate supported on titania was found to be very active even at room temperature. The high catalytic activity of NiSO 4 /TiO 2 closely correlated with the increase of acidity and acid strength due to the addition of NiSO 4 . It is suggested that the active sites responsible for ethylene dimerization consist of low valent nickel, Ni + , with an acid." @default.
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- W905099367 date "2001-01-01" @default.
- W905099367 modified "2023-09-23" @default.
- W905099367 title "Highly active catalyst of nickel sulfate supported on titania for ethylene dimerization" @default.
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