Chemical studies on SYNTHOIL process. Sixth quarterly report, December 1, 1976--March 1, 1977. [Catalyst improvement; mineral matter effects; preheated studies; 8 refs; Co molybdate]
In support of the Pittsburgh Energy Research Center's SYNTHOIL Process for coal liquefaction, Sandia Laboratories has undertaken three tasks: Catalyst Improvement, Mineral Matter Effects, and Preheater Studies. In the last quarter, the catalyst improvement studies focused on the effects of nitrogen-containing compounds on the activity of presulfided cobalt molybdate catalyst pellets. Data from pulsed microreactor experiments have shown that pyridine, aniline, and pyrrole cause a decrease in the hydrodesulfurization of thiophene. In most cases these losses in activity were, to a great extent, reversible. In the mineral matter effects studies, chemical removal of pyrite and other mineral constituents has been carried out on Kentucky, West Virginia and Indiana coals. These coals were hydroliquefied in a batch autoclave. The viscosities and preasphaltene contents of the resulting liquid products were higher than those obtained from the original, untreated coals. The continuous reactor used for the preheater studies has been completed, and preliminary pressure testing has been started. The first shakedown run is expected in April.
- Research Organization:
- Sandia Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- EY-76-C-04-0789
- OSTI ID:
- 7109238
- Report Number(s):
- SAND-77-0720
- Country of Publication:
- United States
- Language:
- English
Similar Records
Chemical studies on SYNTHOIL process. First annual report, September 1, 1975--August 31, 1976. [Catalyst improvement; effects of mineral content of coal; kinetics of hydrodesulfurization and liquefaction]
Chemical studies on SYNTHOIL process. Fifth quarterly report, September 1--December 1, 1976. [Catalyst deactivation; mineral matter effects; preheater studies; 14 refs. ; Co--Mo]
Related Subjects
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
AMINES
ANILINE
AROMATICS
AUTOCLAVES
AZINES
AZOLES
CARBONACEOUS MATERIALS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
COBALT COMPOUNDS
DEACTIVATION
DEMINERALIZATION
DESULFURIZATION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HETEROCYCLIC COMPOUNDS
IRON COMPOUNDS
IRON SULFIDES
LIQUEFACTION
MINERALS
MOLYBDATES
MOLYBDENUM COMPOUNDS
ORES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
PYRIDINES
PYRITE
PYRITES
PYRROLES
REMOVAL
RESEARCH PROGRAMS
SEPARATION PROCESSES
SULFIDES
SULFUR COMPOUNDS
SULFUR ORES
SYNTHOIL PROCESS
THERMOCHEMICAL PROCESSES
THIOPHENE
TRANSITION ELEMENT COMPOUNDS
VISCOSITY