The new European Union 10-ppm sulfur fuel regulations present various challenges for operating and controlling refinery desulfurization units. Repsol-YPF, Madrid, has been using simulation to mitigate ...
The γ-Al 2 O 3 and γ-Al 2 O 3-Nb 2 O 5 supports were prepared by mixing the commercial powder γ-alumina or γ-alumina and Nb 2 O 5 with 10 wt% nitric acid, for 3 h at ambient temperature. The resulting ...
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