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- W2297185602 abstract "The measurement of the specific activity of various supported nickel catalysts in CO hydrogenation was found to be very strongly influenced by the conditions of the experiment. At 523/sup 0/K the steady-state activities are close to the initial activities measured at the same temperatures. Higher test temperatures cause deterioration of the initial rates, which is associated with carbon deposition. At 673/sup 0/K this deterioration of the specific activity, from the initial rate to the steady-state rate, is about 25-fold for Ni catalysts, in reactant mixtures without added water. The addition of 13 percent H/sub 2/O to the reactant stream only partially restores the steady-state activity of the Ni/Al/sub 2/O/sub 3/ catalyst while depressing still further the activity of the Ni/ZrO/sub 2/ catalyst. Simultaneous presence of water (13 percent) and H/sub 2/S (10 ppM) in the stream is much more detrimental to the CO hydrogenation activity than the presence of H/sub 2/S alone." @default.
- W2297185602 created "2016-06-24" @default.
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- W2297185602 date "1976-01-01" @default.
- W2297185602 modified "2023-09-23" @default.
- W2297185602 title "Heterogeneous methanation: effects of carbon, sulfur, and water on activity measurements at various temperatures. [6 refs. ; Ni/Al/sub 2/O/sub 3/; Ni/ZrO/sub 2/]" @default.
- W2297185602 hasPublicationYear "1976" @default.
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