Low-rank coal research; Quarterly technical progress report, October 1989--December 1989

Progress is reported on from research conducted at the University of North Dakota. Topics include: flue gas cleanup; waste management; regional energy policy program for the Northern Great Plans; turbine combustion phenomena; combustion inorganic transformation; liquefaction reactivity of low-rank coals; gasification ash and slag characterization; coal science; fluidized bed combustion; beneficiation of low-rank coals; combustion characterization of low-rank coal fuels; diesel utilization of low-rank coals; produce and characterize HWD fuels for heat engine applications; low-rank coal direct liquefaction; production of hydrogen and by-products from coals; and chemistry of sulfur removal in mild gas. References, figures, and tables are included with each topic.