VKK STANDARDKESSEL designs and supplies Waste Heat Recovery Boiler systems for a broad range of thermal processes in the generation of steam or hot water using shell boilers or water tube boilers. Our comprehensive know-how and experience is the key for the engineering and constructing heat exchange surfaces particularly for difficult process conditions with high thermal, chemical and mechanical stresses. The in-house usage of the heat recovered raises the efficiency of the plant and that obviously leads to greater profitability. Waste heat recovery boilers are fired by the oxygen extracted from exhaust gases. With the installation of a firing system, the thermal output and plant efficiency can be increased.