An apparatus for the pyrolytic conversion of organic compounds in general, such as tanning sludge, manure, vegetable biomass, animal biomass, manure, undifferentiated municipal solid wastes, leachate, into METHANE (CH 4) and characterized in that it comprises: - a loading hopper for the organic compound containing liquid; - a loading screw for the organic compound; - a tubular heating oven in which the organic compound, introduced via the loading hopper containing liquid and the loading screw, is made to react to convert it into volatile organic compounds at a temperature between 530°C and 570°C; - a pre-discharge storage unit containing liquid connected to the tubular heating oven outlet, wherein said pre-discharge storage unit comprises a discharge screw for discharging of the resulting compound/ash and containers for recovery of particulates separated by an electric field and descending along the walls of the pre-discharge storage unit, wherein the pre-discharge storage unit further comprises two bars connected to a 20 kV transformer for subjecting the fumes to an electric field; - two syngas purification chambers each of which comprising two 1500°C resistors equipped with two transformers, and connected to another 20 kV transformer to allow for initiation of the subsequent electrostatic field which attracts metals and by means of the temperature of the resistors, destroys harmful molecules, such as dioxins and furans, wherein the syngas purification chambers are connected to the gas outlet of the pre-discharge storage unit; - a gas analyzer for analyzing the gas composition, located downstream with respect to the two syngas depuration chambers; - a heat exchanger, located downstream with respect to the gas analyzer, to lower the temperature of the gas; - a tank, located downstream with respect to the heat exchanger, said tank comprising a gas outlet and containing water, salts and immersed electrodes powered by direct current for capturing the last impurities, if any are present, by bubbling of the gas through the water; - a collection tank for condensed liquid, which collects the condensate that may develop after the cooling process by the heat exchanger, allowing for their re-introduction at the start of the same. - a loading hopper for the organic compound containing liquid; - a loading screw for the organic compound; - a tubular heating oven in which the organic compound, introduced via the loading hopper containing liquid and the loading screw, is made to react to convert it into volatile organic compounds at a temperature between 530°C and 570°C; - a pre-discharge storage unit containing liquid connected to the tubular heating oven outlet, wherein said pre-discharge storage unit comprises a discharge screw for discharging of the resulting compound/ash and containers for recovery of particulates separated by an electric field and descending along the walls of the pre-discharge storage unit, wherein the pre-discharge storage unit further comprises two bars connected to a 20 kV transformer for subjecting the fumes to an electric field; - two syngas purification chambers each of which comprising two 1500°C resistors equipped with two transformers, and connected to another 20 kV transformer to allow for initiation of the subsequent electrostatic field which attracts metals and by means of the temperature of the resistors, destroys harmful molecules, such as dioxins and furans, wherein the syngas purification chambers are connected to the gas outlet of the pre-discharge storage unit; - a gas analyzer for analyzing the gas composition, located downstream with respect to the two syngas depuration chambers; - a heat exchanger, located downstream with respect to the gas analyzer, to lower the temperature of the gas; - a tank, located downstream with respect to the heat exchanger, said tank comprising a gas outlet and containing water, salts and immersed electrodes powered by direct current for capturing the last impurities, if any are present, by bubbling of the gas through the water; - a collection tank for condensed liquid, which collects the condensate that may develop after the cooling process by the heat exchanger, allowing for their re-introduction at the start of the same.