Project lignite. Quarterly technical progress report No. 8, January, February, and March 1976

Technical Report · Wed Jul 14 04:00:00 EDT 1976

DOI:https://doi.org/10.2172/7336571· OSTI ID:7336571

Severson, D. E.

Project Lignite was established in 1972 for the purpose of determining the appropriate technological approach to the conversion of Northern Great Plains lignite to premium solid, liquid and gaseous fuels. In keeping with this objective, laboratory and bench-scale work have been carried out and a continuous process development unit is being operated to demonstrate the feasibility of liquefaction of lignite. The continuous process currently under development is the two stage conversion of lignite to fuel liquids with solvent-refined lignite as an intermediate product. The first state is a unit converting 50 pounds per hour of raw lignite into solvent-refined lignite by reaction with synthesis gas (carbon monoxide and hydrogen) in the presence of a hydrogen donor solvent that is continually regenerated from the lignite during processing. The mineral separations system is a countercurrent decantation process carried out at elevated temperature and pressure. The second stage will be the catalytic hydrogenation to premium liquid fuels of the solvent-refined lignite produced in the first stage.

• Research Organization: North Dakota Univ., Grand Forks (USA). Engineering Experiment Station
• OSTI ID: 7336571
• Report Number(s): FE-1224-58
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
BENCH-SCALE EXPERIMENTS
BROWN COAL
CARBONACEOUS MATERIALS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
DEASHING
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
HYDROGENATION
LIGNITE
LIQUEFACTION
PERFORMANCE
PILOT PLANTS
SOLVENT-REFINED COAL
YIELDS