Method and apparatus for cryogenic fractionation of a...

Method and apparatus for discharging slag from gasification...

Method and apparatus for fuel economy

Method and apparatus for handling cinders and the like

Method and apparatus for injecting no_inhibiting reagent...

Method and apparatus for liquid disposal in a liquid bed...

Method and apparatus for providing expansible chimneys

Method and apparatus for reducing emissions of n-o when...

Method and apparatus for removing particulate material from...

Method and apparatus for removing pollutants from flue gas

Method and apparatus for turbulent combustion of fly ash

Method and apparatus of preheating a sootblower lance

Method and apparatus useful in combustion gas purification

Method and arrangement for reducing no.sub.x emissions from...

Method and arrangement for removing deposits in and on feed...

Method and assembly for converting waste water accumulated...

Method and device for purifying a gas stream containing...

Method and device for the reinjection of exhausted particles...

Method and device for the separation of dust particles

Method and means for burning corncobs and corn