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U.S. Department of Energy
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Catalytic methods for improved coal liquefaction and hydrotreating. Quarterly report No. 3, March 23-June 22, 1986

Technical Report ·
OSTI ID:5422673
The goal of this project is to optimize the reaction conditions for coal liquefaction and upgrading coal liquids. Our results for this quarter are summarized by task. Task 1. Synthesis of Catalysts. During this quarter we synthesized two more ''doped'' Harshaw catalysts. One was sulfided CoMo catalyst doped with rhodium, and the other was a sulfided NiMo catalyst doped with ruthenium. Task 2. HDN Activity of Catalysts with Model Systems. This quarter we tested the effects of the bulk metals osmium, rhenium, and rhodium on the HDN of THQ and compared the results to those from ruthenium, molybdenum, and nickel. The bulk ruthenium was found to be far more active than any of the other bulk metals. We also tested the effects of the ruthenium-doped catalyst on the hydrogenation of propylbenzene under HDN conditions and found that the presence of quinoline greatly retards the hydrogenation of propylbenzene. We ran the Harshaw CoMo catalyst under HDN conditions at 100 psig of H/sub 2/ to compare with the RuCoMo catalyst under similar reaction conditions and found that the CoMo catalyst was essentially inactive. We also tested the doped RhCoMo catalyst and found that it had a poorer selectivity toward aromatic products than the other catalysts. When we tested the doped RuNiMo catalyst, however, we found a much higher selectivity to propylbenzene - even higher than with the doped ruthenium CoMo catalyst. Task 3. Catalytic Reactions and Additives on Coal and Coal Liquids. We recently submitted a manuscript to Theophrastus Publications on our use of additives and catalysts for HDN reactions. The manuscript is enclosed in Appendix B. The two papers in the appendices were processed separately for inclusion in the Energy Data Base. 6 refs., 5 figs., 1 tab.
Research Organization:
SRI International, Menlo Park, CA (USA)
DOE Contract Number:
FG22-85PC80906
OSTI ID:
5422673
Report Number(s):
DOE/PC/80906-3; ON: DE86014248
Country of Publication:
United States
Language:
English