Solar heated anaerobic digestor
Solar heated fluidized bed gasification system
Solar reduction of CO.sub.2
Solid fuel feed system
Solid fuel gasifying unit and gas fractionating unit
Solid particles and fluid reactor
Solid with gas reactor plant
Soot blower using fuel gas as blowing medium
Spiral microreformer assembly
Split gas generator
Starting device for a reformed gas generator
Steady work output rate apparatus for cyclic solid with gas reac
Steam generator for gasifying coal
Steam generator to contain and cool synthesis gas
Steam reformer with catalytic combustor
Steam reformer with internal hydrogen purification
Steam reforming process and apparatus therefor
Steam supply system for superposed turine and process chamber, s
Stirrer of a reactor for gasifying solid fuels
Substantially vertical apparatus for cooling process gases origi