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- W80972676 abstract "Catalysts sulfided with H/sub 2/S (Ru-S) or impregnated with KOH to 10Vertical Bar3< by wt K/sub 2/O (Ru-K) were 9 and 12 times less active, respectively, than unpoisoned 1Vertical Bar3< Ru/Al/sub 2/O/sub 3/ catalyst (Ru-R) at 2.2 MPa, but this activity difference was reduced to a factor of 1.8-1.9 at 3.1 MPa. The conversion over Ru-K increased from 6Vertical Bar3< to 41Vertical Bar3< as the pressure increased from 2.2 to 3.1 Mpa at 240/sup 0/C and attained 98Vertical Bar3< at 3.1 MPa and 300/sup 0/C. The selectivity for condensed products (C/sub 5/+) decreased with temperature and was twice as high for Ru-K than for Ru-R. The C/sub 5/+ products obtained over Ru-K had greater molecular weight and contained much less n-paraffins than those over Ru-R. Increasing H/sub 2/-CO ratio increased conversion but impaired the yields of liquid products and gaseous olefins over Ru-R, but not Ru-S. At the optimum conditions, i.e., 240/sup 0/C, 3.1 MPa, and 2:1 H/sup 2/-CO, 95.5Vertical Bar3< conversion was obtained over Ru-R with 99.6Vertical Bar3< CO converted to C/sub 5/+ products and negligible formation of gaseous products or wax (C/sub 25/+). The liquid product contained 99Vertical Bar3< C/sub 5/-C/sub 25/ hydrocarbons (with a maximum of 12.5Verticalmore » Bar3< for C/sub 10/), over 90Vertical Bar3< of which were paraffins.« less" @default.
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- W80972676 date "1978-11-12" @default.
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- W80972676 title "Fischer-Tropsch synthesis on unpoisoned and poisoned alumina-supported ruthenium catalysts" @default.
- W80972676 hasPublicationYear "1978" @default.
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