Extraction of bitumen oils (tar) from tar sands
Extraction of hydrocarbon oils using a combination polar...
Extraction of hydrocarbons from hydrocarbon-containing...
Extraction of hydrocarbons from hydrocarbon-containing...
Extraction of oil from oil shale and tar sand
Extraction of oil from sand
Extraction of oil from stable oil-water emulsions
Extraction of oil using amides
Extraction of petroleum distillates with mixed solvents
Extraction of reusable water from a mineral mining process
Extraction of tar sands with liquid sulfur dioxide
Extraction process
Extraction process
Extraction process
Extraction process
Extraction process
Extraction process
Extraction process and apparatus
Extraction process and apparatus for hydrocarbon containing...
Extractive distillation process