Method of preparing coal to increase its calorific value and mak

Method of preparing low-sulfur, low-ash fuel

Method of preventing energy loss, self-heating and self-ignition

Method of processing low rank coal

Method of produce low viscosity stable crude oil emulsion

Method of producing a colloidal fuel from coal and a heavy petro

Method of producing a diesel fuel blend having a...

Method of producing an ignescent material

Method of producing briquettes from organic waste products

Method of producing form coke

Method of producing fuel of relatively higher calorific value fr

Method of producing hot briquettes

Method of producing pulverulent carbonaceous fuel

Method of production of biofuel from the surface of the open...

Method of recovering fuel from coal ash

Method of recovering high-grade fuel from solid mineral-fuel raw

Method of reducing NO.sub.x emissions in gasoline vehicles

Method of reducing paraffin deposition with imidazolines

Method of reducing smoke and particulate emissions from...

Method of reducing smoke and particulate emissions from...