Magnetic separation of mineral particles from shale oil

Mechanochemical hydrogenation of coal

Medium speed diesel engine oil

Medium speed diesel engine oil

Method and apparatus for acquisition of shale oil

Method and apparatus for conservation of heat from sludge produc

Method and apparatus for distillation of oil shale

Method and apparatus for extracting oil from hydrocarbonaceous s

Method and apparatus for processing oil shale

Method and apparatus for processing oil shale in a rotary hearth

Method and apparatus for pyrolyzing oil shale

Method and apparatus for recovering carbon products from oil sha

Method and apparatus for retorting oil shale

Method and apparatus for separating slurries and emulsions

Method and apparatus for separation of bitumen from tar sands

Method and apparatus for solvent extraction

Method and appratus for extracting tar sand

Method for aboveground separation, vaporization and recovery of

Method for combining coal liquefaction and gasification processe

Method for converting coal to upgraded liquid product