Heaters for thermal energy transformation installations

Indirect counterflow heat recovery system of the regenerative ty

Integrated boiler/fuel cell system

Load based control system for active leakage control in air...

Method and apparatus for controlling combustion air in a boiler

Method and apparatus for preheating the fuel for a firing plant

Method and device for using excess heat not required for operati

Method and device in closed heating plants

Method and plant for heating a liquid medium

Method and plant for purifying the exhaust air from a tenterfram

Method and system for heating a liquid

Method for operating a boiler plant

Method in the operation of a firing plant, and a firing plant fo

Method of operating a power plant and apparatus therefor

Multi-stage combustion system for externally fired power plants

Once-through boiler

Once-through steam generator and a method of configuring a once-

Power plant with combustion in a fluidized bed

Process air coolers used for combustion air preheating

Process and equipment for reducing the emission of pollutants in