


processing and refining the minerals of coal and fossil fuels
Processing And Refining Minerals In Sa Coal And Fossil Fuel. ... A process for fossil fuel refining by contacting ground solid fossil fuel for about 12 to about 3 hours with phenol at a temperature of about 600 to 690 F and a corresponding saturation pressure of about 250 to 430 psig the phenol being present in greater amounts by ...