Air heater corrosion prevention

Alkali injection system with controlled CO.sub.2 /O.sub.2 ratios

Animal treatment system and method thereof

Apparatus and method for NO.sub.x reduction by selective injecti

Apparatus and method for removing volatile organic contaminants

Apparatus and method for treating a gas with a liquid

Apparatus and method for waste disposal

Apparatus and process for carbon removal from fly ash

Apparatus and process for control of nitric oxide emissions from

Apparatus and process for high temperature cleaning of organic c

Apparatus for the injection distribution and dispersion of sorbe

Ash handling system

Ashing furnace and method

Ashing furnace and method

Bio-mass burner with grate therefor and method of operation

Boiler

Boiler internal flue gas by-pass damper for flue gas...

Burning apparatus and method for restricting the occurrence...

Burning fuels, particularly for incinerating garbage

Catalytic method for NO.sub.X reduction