Integrated two-stage coal liquefaction batch catalyst operations. The Advanced Coal Liquefaction R and D Facility, Wilsonville, Alabama. Final report

Technical Report · Sun Jun 01 04:00:00 EDT 1986

OSTI ID:5519536

Investigation of the integrated two-stage coal liquefaction (ITSL) process was initiated at the Wilsonville Advanced Coal Liquefaction R and D Facility in November 1982. The ITSL system sequentially combines three process units. These are the thermal liquefaction (TL) unit, for the thermal dissolution of coal, the critical solvent deashing (CSD) unit, for the separation of ash and undissolved coal, and the hydrotreating (HTR) unit, for the upgrading of the liquid streams. The ITSL process recycles hydrotreated process solvent back to the thermal unit. This differentiates the ITSL process from the non-integrated two-stage liquefaction (NTSL) process, where there is no recycle of any process streams from the HTR unit back to the TL unit. The primary objective of the ITSL program at Wilsonville is to develop a commercially feasible method for efficient conversion of coal to distillate fuels. When compared to the single stage SRC-I process, the ITSL process produces significantly higher yields of distillates. This topical report presents an analysis of the ITSL operating data from November 1982 (Run 242) to September 1983 (Run 244). Commercially available nickel-molybdenum catalyst was used to hydrotreat the thermal stage process solvent and the deashed thermal resid. The daily operating and material balance data have been used for analyses. The material balance data was determined by the elemental balance procedure. 9 refs., 16 tabs.

• Research Organization: Southern Co. Services, Inc., Birmingham, AL (USA)
• DOE Contract Number: AC22-82PC50041
• OSTI ID: 5519536
• Report Number(s): EPRI-AP-4609; ON: DE86013285
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
COAL LIQUEFACTION
COAL LIQUIDS
DATA
DEASHING
DIAGRAMS
DISTILLATES
ELEMENTS
EXPERIMENTAL DATA
FLOWSHEETS
FLUIDS
HIGH PRESSURE
HIGH TEMPERATURE
HYDROGEN
HYDROGENATION
INFORMATION
LIQUEFACTION
LIQUIDS
MATERIAL BALANCE
METALS
MOLYBDENUM
NICKEL
NONMETALS
NUMERICAL DATA
ORGANIC SOLVENTS
PARTIAL PRESSURE
RECYCLING
RESIDUES
SOLVENTS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TSL PROCESS
YIELDS