The catalyst prepared by dispersing cobalt boride and moly boride in an alumina matrix continues to exhibit acceptable liquefaction and desulfurization activity and superior denitrogenation activity. If an extrudate can be prepared from these materials having the correct pore structure, pilot plant testing should be conducted to evaluate activity maintenance. The cobalt sodium alumina/moly alumina mixed system has been optimized to give superior liquefaction and denitrogenation activity. A larger batch of coextruded mixture has been prepared and screened and is available for pilot plant testing. A thermally stable supported tin chloride ctalyst has been prepared and exhibits superior liquefaction and …
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The catalyst prepared by dispersing cobalt boride and moly boride in an alumina matrix continues to exhibit acceptable liquefaction and desulfurization activity and superior denitrogenation activity. If an extrudate can be prepared from these materials having the correct pore structure, pilot plant testing should be conducted to evaluate activity maintenance. The cobalt sodium alumina/moly alumina mixed system has been optimized to give superior liquefaction and denitrogenation activity. A larger batch of coextruded mixture has been prepared and screened and is available for pilot plant testing. A thermally stable supported tin chloride ctalyst has been prepared and exhibits superior liquefaction and denitrogenation activity. An optimized catalyst contains 5% stannous chloride supported on a molybdenum alumina catalyst such as Amocat 1B. The system maintains its superior performance even after calcination at 1000/sup 0/F for 3 hours. A large batch is now being prepared for pilot plant testing. The cobalt samarium moly catalyst prepared on extrudates had very poor metal distributions. This may be responsible for the poor performance of this batch of catalyst. If metals can be successfully distributed throughout an extrudate, the samarium modified catalyst should be retested in the pilot plant.
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Helstrom, J. J.; Pellet, R. J. & Mahoney, J. A.Coal-liquefaction-catalyst development. Quarterly progress report No. 4,
report,
October 1, 1980;
United States.
(https://digital.library.unt.edu/ark:/67531/metadc1065384/:
accessed May 27, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.
