provide procedures and apparatus for purifying exhaust gases, the calorific value-containing substances, in particular particles of pollutants and / or odor particles,

A method for purifying exhaust gases, resulting from the biological treatment of domestic waste or similar waste and high calorific-containing substances, namely contaminant particles and / or odor particles containing at which the calorific containing substances are burnt, wherein the exhaust gases heat energy at a high temperature level by combustion of a supplied fuel, whereby heat exchangers are alternately heat up time the exhaust gases prior to combustion and heated by the combustion of the exhaust gases, wherein the fuel is a renewable fuel that contains from waste of the organic components, is prepared, and wherein heat energy from the exhaust gas is removed and used.