Patent ID: 6271427
Filing Date: 2001-08-07
Classification: C10B,Y02P

Abstract:
A method for the recovery of carbon and combinations of hydrocarbons from discarded tires or similar polymeric material by pyrolysis treatment in a reactor (3) whereby the material is heated to pyrolysis temperature in the reactor and the pyrolysis gas obtained is withdrawn from the reactor and brought to condense in a condenser (8) connected to the reactor, characterized by the use of a reactor (3) having an outwardly sealable space in which material is loaded batchwise, an inlet (6) and an outlet (7) forming part of a recirculation circuit wherein a preheated gas is led through the reactor and the condenser passing through and in direct contact with the polymeric material placed in said reactor, wherein at least a part of the pryolysis gas obtained and withdrawn from the reactor which does not condense in the condenser (8) is heated to a predetermined temperature and by recirculation in said recirculation circuit, is led through the reactor for heating of the polymeric material in the reactor.