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U.S. Department of Energy
Office of Scientific and Technical Information

Coal liquefaction catalyst development. Final report, September 29, 1979-September 30, 1981

Technical Report ·
OSTI ID:5525223
This report discusses the results of work aimed at developing new catalysts for the H-Coal liquefaction process. The scope of the work extended over all the five task areas. Testing of several new catalyst formulations was completed. Promising candidates were found in the areas of stabilized aluminas and novel catalyst systems. These formulations were tested in the continuous aging unit. The addition of chromia to AMOCAT 1A (CoMo on bimodal alumina) was found to improve overall activity. Catalysts in the form of 1/8 in. extrudates were found to deactivate slower than 1/16 in. or 1/32 in. extrudates. Various batches of SRC-II heavy distillate were found to have markedly different abilities to act as donor solvents. Molten SnCl/sub 2/ was shown to be an effective catalyst promoter in a 6-day continuous aging unit run. Molten SnCl/sub 2/ supported on bimodal alumina also was an extremely active coal liquefaction catalyst. The HRI acid treating regeneration technique increased average micropore diameter of spent HDS-1442A to the same range as AMOCAT 1A and the catalyst behaved similarly in continuous aging studies. The feasibility of using the Amoco continuous aging reactor for screening SRC-I upgrading catalysts was demonstrated and AMOCAT 1C (Ni-Mo on bimodal alumina) was found to have the highest upgrading activity. A technique to measure MoS/sub 2/ dispersion was developed. This type of dispersion was found to play a key role in catalyst deactivation.
Research Organization:
Amoco Oil Co., Naperville, IL (USA). Research and Development Dept.
DOE Contract Number:
AC22-79ET14803
OSTI ID:
5525223
Report Number(s):
DOE/ET/14803-T8; ON: DE83008148
Country of Publication:
United States
Language:
English