Expanded bed hydroprocessing of solvent refined coal (SRC) and short contact time (SCT) extracts. Final technical progress report

Technical Report · Thu Apr 01 04:00:00 EST 1982

OSTI ID:6688400

Potts, J D; Chillingworth, R S

Process Development Unit studies have been made to demonstrate the use of Lummus/Cities-Fining (LC-Fining) expanded bed hydroprocessing technology to upgrade solvent-refined coal extract (SRC). Three SRC and two short contact time (SCT) extracts, defined as 850/sup 0/F+ materials, were processed. One SRC, which initially contained 0.8% sulfur and 2.0 wt % nitrogen, was upgraded to distillate products which contain < 100 ppM sulfur and 0.3 wt % nitrogen using a NiMoly catalyst. Ninety percent conversion of SRC to distillates has been obtained in recycle operation. Additional work was undertaken to investigate the effects of processing with a higher boiling solvent (680/sup 0/F versus 500/sup 0/F). Both a 50/50 and a 70/30 SRC/solvent feed blend ratio have been run. SRC from Western coal, and SCT coal extract prepared at Wilsonville (both deashed and non-deashed) have been tested. Expanded bed processing of coal extracts in the various modes described above has been demonstrated to be completely feasible and desirable to produce low nitrogen distillates (390 to 850/sup 0/F). The technical information derived from this work is being used in support of a two-stage liquefaction program. Hydrocracking of the SRC/SCT coal extracts in the presence of a selective catalyst and under optimum conditions of temperature and space velocity enhanced the production of middle distillate liquid fuels, minimized the formation of light hydrocarbon gases, and optimized the overall utilization of hydrogen.

• Research Organization: Cities Service Research and Development Co., Tulsa, OK (USA). Cities Service Technical Center
• DOE Contract Number: AC22-76ET10135
• OSTI ID: 6688400
• Report Number(s): DOE/ET/10135-T1; FE-2038-43; ON: DE82020281
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
&amp; Peat-- Hydrogenation &amp; Liquefaction
CATALYSTS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CHEMICAL REACTIONS
COAL EXTRACTS
COAL LIQUEFACTION
COAL LIQUIDS
CONSUMPTION RATES
CRACKING
DATA
DEACTIVATION
DECOMPOSITION
DENITRIFICATION
DESULFURIZATION
ELEMENTS
EXPERIMENTAL DATA
FLUIDS
FUNCTIONAL MODELS
HYDROGEN
HYDROGENATION
INFORMATION
LC-FINING
LIQUEFACTION
LIQUIDS
METALS
MOLYBDENUM
NICKEL
NONMETALS
NUMERICAL DATA
PROCESS DEVELOPMENT UNITS
PROCESSING
PYROLYSIS
REFINING
SRC PROCESS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TSL PROCESS