Method and apparatus for operating a vortex bed furnace

Method and apparatus for reducing NO.sub.x emissions from a mult

Method and apparatus for starting the boiler of a solid-fuel fir

Method and apparatus for the recovery of hydrocarbons

Method and apparatus for the reduction of nox generation during

Method and apparatus for the reduction of solid waste material u

Method and apparatus of gas-coal combustion in steam boilers

Method and device for after-burning of particulate fuel in a pow

Method and device for firing solid fuels, mainly in the form of

Method and device for the regulated feed of pulverized fuel...

Method and installation of injection of solid fuels into a shaft

Method and plant for conversion of waste material to stable fina

Method and reactor for processing of fuels having a wide...

Method for burning coal-liquid slurry fuels and apparatus theref

Method for burning lumpy combustion material, especially...

Method for controlled burnout of abandoned coal mines and waste

Method for drying coal with hot recycle material

Method for effecting control over a radially stratified flame co

Method for firing a rotary kiln with pulverized solid fuel

Method for generating heat energy by intermittent smoke charge c