Actions for Coal liquefaction process streams characterization and evaluation. Quarterly technical progress report, January 1--March 31, 1993 [electronic resource].

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Coal liquefaction process streams characterization and evaluation. Quarterly technical progress report, January 1--March 31, 1993 [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
69 pages : digital, PDF file
Additional Creators
United States. Department of Energy and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Process oil samples from HRI Catalytic Two-Stage Liquefaction (CTSL) Bench Unit Run CC-16 (227-76) were analyzed to provide information on process performance. Run CC-16 was operated in December 1992 with Burning Star 2 Mine (Illinois 6 seam) coal to test and validate Akzo EXP-AO-60 Ni/Mo catalyst (1/16 in. extrudate). Results were compared with those of four previous HRI CTSL bench unit runs made with Ni/Mo catalysts. Major conclusions from this work are summarized. (1) Akzo EXP-AO-60 gave process oil characteristics in Run CC-16 similar to those of other Ni/Mo catalysts tested in Runs I-13, I-16, I-17, and I-18 (by our analytical and empirical test methods). No distinct performance advantage for any of the catalysts emerges from the process oil characteristics and plant performance. Thus, for commercial coal liquefaction, a number of equivalent catalysts are available from competitive commercial sources. The similarity of run performance and process oil characteristics indicates consistent performance of HRI`s bench unit operations over a period of several years; (2) Dominant effects on process oil properties in Run CC-16 were catalyst age and higher temperature operation in Periods 10--13 (Condition 2). Properties affected were the aromaticities and phenolic -OH concentrations of most streams and the asphaltene and preasphaltene concentrations of the pressure-filter liquid (PFL) 850°F⁺ resid. The trends reflect decreasing hydrogenation and defunctionalization of the process streams with increasing catalyst age. Operation at higher temperature conditions seems to have partially offset the effects of catalyst age.
Report Numbers
E 1.99:doe/pc/89883--77
doe/pc/89883--77
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/01/1993.
"doe/pc/89883--77"
"DE94008304"
"AA2515000/AA2515150"
Robbins, G.A.; Winschel, R.A.; Brandes, S.D.; Burke, F.P.
CONSOL, Inc., Library, PA (United States)
Type of Report and Period Covered Note
Quarterly; 01/01/1993 - 03/31/1993
Funding Information
AC22-89PC89883
View MARC record | catkey: 13837100