A system for neutralizing polluting gases from petrol and diesel internal combustion
engines, or industrial smoke. The neutralizing system includes modules assembled
together or integrated, chosen in accordance with the quantity of pollutant gases
and their nature. The modules may include: hollow metal or mineral sphere-type
pyrolisis heat cell module containing excrescences forming a large exchange area
with polluting gases, or electric heaters, particle and HC filter, polluting gas
purification module, sound damping and gas temperature reduction module.
