TECHNOLOGY FOCUS - CHEMICAL ENGINEERING - Preferred Method: In increasing the energetic and material value of the raw material comprising carbon in its elemental composition, the feedstock is selected from polymeric material, fossil fuel and biomass as well as any combination. The raw material used is tires. The thermolysis reaction is conducted at a temperature of 400 degrees C and 1000 degrees C and a pressure between 1 mbar and 10 bar. The step of thermolysis (1) is carried out a temperature between 500 degrees C and 600 degrees C and a pressure between 0.8 bar and 1.2 bar. The residence time of the raw material inside the thermolysis reactor (i) is between 0.2 minutes and 2 hours or between 1 minute and 5 minutes. The thermolysis reaction step comprises adding heat directly to the thermolysis reactor (1) through some burners located outside the inner casing thermolysis reactor (1) where at least one hydrocarbon burning, generating heat directly heats the thermolysis reactor (1). The thermolysis reaction step is carried out inside a thermolysis reactor (1) comprising an auger comprised of a hollow shaft which circulates at least one heated heat transfer fluid for transferring heat by direct and continuous contact with the interior of the thermolysis reactor (1), promoting the decomposition of the raw material while moving along the conveyor (20). The thermolysis reaction substep is performed in a thermolysis reactor (1) comprising an outer casing carrying a thermal fluid at a temperature above inside the thermolysis reactor (1), transmitting the sensible heat of the thermal fluid through the reactor wall into the thermolysis reactor (1). The method comprises an additional step of thermolysis reactor feed (1) of at least one solid recirculated from at least one combustion reactor connected with the thermolysis reactor (1), where the temperature of the recirculated solid is higher than the temperature of the thermolysis reactor (1); and an additional step of cooling and condensation of the gas stream exiting the thermolysis reactor (1) to a temperature exceeding 50 degrees C, resulting in a liquid stream and a non-condensed gas stream. The uncondensed gas stream into the further step of cooling and condensation is conducted to at least one burner which is fed to the oxidizing agent, carrying out the combustion of the gas stream not condensed and releasing energy that is used in part or in whole to meet the energy needs of the thermolysis reactor (1). When carrying out a further step of reforming at least one reforming reactor, the method further comprises a heat recovery step in which a flux is generated thermal energy is used both in the thermolysis reactor (1) as in a steam generation system, which is employed in the reforming reactor, and a gas stream which is conducted to a thermal machine which produces gas combustion with an oxidizing agent and generates electricity through an alternator. When carrying out a further step of burning at least one combustion reactor, the method further comprises a heat recovery step in which a flux is generated thermal energy is used in part in the thermolysis reactor (1) and partly to generate electricity through a steam cycle. The method also comprises an additional step of condensing the gaseous fraction from the thermolysis reactor (1), prior to a combustion stage where the combustion occurs in the flow of uncondensed gas generated in the step of condensation together with a fraction of the carbonaceous solid stream from the thermolysis reactor (1) and together with at least one solid stream serving as heat carrier; and a heat transfer step in the thermolysis reactor (1) via the circulation between the combustion reactor and the thermolysis reactor (1) of a solid stream which is at least one temperature higher by 50 degrees C compared to the temperature of the thermolysis reactor (1) and which comes into direct contact with the raw material being processed in the thermolysis reactor (1). The combustion reactor where is the fluidized bed combustion is operated in a bubbling or circulating. The solid serving as heat carrier having properties to absorb sulfur compounds possessing such as dihydrogen sulfide (H2S) and sulfur dioxide (SO2) generated by the thermolysis and combustion processes. The solid serving as heat carrier is an inorganic solid. Preferred Reactor: In the thermolysis reactor (1), the outer casing (25) comprises a series of burners in direct contact with the lower surface of the auger (20) for heating. The reactor is constructed of a conductive material and chemically and mechanically resistant to high temperatures and corrosive atmospheres. The expansion chamber (18) is designed to allow the lateral escape of gases at the extreme end of the auger (20) through which takes place output converted feedstock, or to allow gas discharge centrally of the length of the screw conveyor (20). Preferred Installation: The installation comprises a raw material feed to the thermolysis reactor (1) comprising a sealing section consisting of at least two hoppers linked together through a valve, at least one computer solid feeder and a gas seal to prevent backflow of feedstock converted to the feed hoppers. The equipment is solid feeder auger type whose shaft is attached to a powered system electrically geared motor and provided with a frequency variator to regulate the speed and change the amount raw materials fed to the thermolysis reactor (1). The installation further comprises a solid screw cooler (27) located following the thermolysis reactor (1) for picking up, moving and cooling the converted feedstock from the thermolysis reactor (1), where the solid screw cooler (27) comprises: (i) a solid or hollow central axis, (ii) a set of blades attached to the central shaft, (iii) an inner casing (28) housing the screw, (iv) a closure system located at both ends of the screw to prevent the passage of solid material towards the closure systems of each auger end solid cooler (27), (v) an outer housing (29) that surrounds the screw assembly and an inner casing (28) comprising a series of baffles (30) located perpendicular to the central axis of the screw and parallel to each other, extending alternately from one of the upper faces or less of the outer casing (29) toward the opposite directions to reach without leaving a space situated alternately at the top or at the bottom of the inside of the outer casing (29). The installation comprises at least one combustion reactor (9) connected to the additional thermolysis reactor (1) for the oxidation or combustion of at least one of the reactor effluent streams thermolysis (1); and additionally comprises at least one reforming reactor (5) connected with the thermolysis reactor (1). Moreover, the installation comprises a capacitor device (3) located below the thermolysis reactor (1) to decrease the temperature of the gas stream exiting the thermolysis reactor (1) to a temperature exceeding 50 degrees C; and at least one unit for recirculating the thermolysis reactor (l) of at least one solid from at least one combustion reactor (11) connected with the thermolysis reactor (1). EXAMPLE - No suitable example given.