lignitic coal
Ultrasonic flotation cleaning of high-ash lignite and its mechanism
Preparation of high-dispersion Ni/C catalyst using modified lignite as carbon precursor for catalytic reforming of biomass volatiles
Lignite Production
brown lignite
Removal of oxygen functional groups in lignite by hydrothermal dewatering: An experimental and DFT study
black lignite
lignite A
lignitize, v.
Report on comparison among current industrial scale lignite drying technologies (A critical review of current technologies)
