Classifications

• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
  • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
  • C10B47/28—Other processes
  • C10B47/32—Other processes in ovens with mechanical conveying means
  • C10B47/46—Other processes in ovens with mechanical conveying means with trucks, containers, or trays
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
  • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
  • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
  • C10B7/14—Coke ovens with mechanical conveying means for the raw material inside the oven with trucks, containers, or trays

Definitions

• the present invention relates, in the field of treatment of industrial and / or household waste, the operations which consist in heating the waste at moderate temperature (for example from 400 to 750 ° C.) in the absence of air.
• the invention relates more particularly to a thermolysis process and to a thermolysis tunnel system.
• thermolysis processes make it possible to decompose the organic materials into a solid phase (thermolysis coke) and into a gaseous phase (thermolysis gas).
• thermolysis coke solid phase
• thermolysis gas gaseous phase
• the control of these processes is delicate and the operation is still largely undergone.
• Molecular dissociation in the absence of oxygen must nevertheless be controlled to obtain recyclable products.
• combustion means such as burners for carrying out the thermolysis.
• the burners are fed with a part of the thermolysis gases resulting from the thermolysis.
• the waste is introduced directly into the oven to be heated.
• a major disadvantage of this type of installation is that after a certain period of use of the rotary kiln, waste introduced into the furnace form a solid crust on the inner wall of the furnace. As a result, the new waste introduced into the oven is no longer directly in contact with the hot wall of the oven and a greater amount of heat must be consumed to treat them.
• the waste heated in the oven due to the rotation of the oven form a braid. This braid can clog the waste airlock, which can after a while ignite the inside of the oven and thus damage it.
• the waste treatment method described in the document WO 02/075213 of the same inventor provides for the use of containers rolling on themselves in a thermolysis furnace to promote carbonization of all the layers of waste to be decomposed, formed in the containers.
• the control of the thermolysis with this type of containers remains delicate.
• the rolling of containers either requires expensive motorization means, or occurs under the effect of gravity.
• the transport of rotating containers makes the phases of transport, introduction into the thermolysis furnace and extraction of the thermolysis furnace difficult. This results in logistical problems and especially a lack of control of essential parameters such as the duration of the residence time in the thermolysis furnace, the actual temperature rise / pressure conditions of the waste of each container.
• the present invention therefore aims to overcome one or more of the disadvantages of the prior art by providing a simple control system ensuring efficient and complete thermolysis of waste.
• thermolysis tunnel system for the treatment of industrial and / or household waste, comprising containers each provided with at least one pierced container designed to contain waste to be treated and a fixed construction including:
• the containers each comprise: at least one peripheral element projecting from the pierced container and having a bearing surface enabling a container to be pushed in a first determined direction, and
• the peripheral element protrudes from the plumb of the container at least two opposite sides of the container.
• each container has a cylindrical shape and the tunnel is sized to receive a succession of coated containers having their longitudinal axis of symmetry arranged perpendicular to the first determined direction.
• the system according to the invention comprises a container introduction lock at the entrance of the tunnel, provided with first translational drive means for introducing a container into the tunnel, by pushing said surface of the tunnel. support of the peripheral element.
• the first drive means in translation comprise a winding device / unwinder of a push chain.
• the system according to the invention comprises a container extraction lock at the exit of the tunnel, provided with second translation drive means for extracting a tunnel container by pulling the peripheral element.
• the system according to the invention comprises a container extraction lock at the exit of the tunnel, provided with second drive means in translation to reintroduce a container into the tunnel, by pushing the peripheral element.
• the second drive means in translation comprise a winding device / unwinder of a chain for both pushing and pulling containers.
• the second drive means comprise at least one gripping member of the peripheral element of a container, designed to fit in a spacing between said peripheral element and the associated container.
• the tunnel is maintained in depression by pumping means and is extended at each of its ends by an airlock and extraction lock, each lock receiving at least one container between two doors provided with means for sealing to allow individual admission or extraction of a container in the thermolysis tunnel without putting in direct communication the interior of the tunnel with the outside atmosphere.
• the system according to the invention may comprise a double security to avoid any communication between the confined environment of the tunnel and the outside atmosphere, which is particularly important when the gases released during thermolysis have a high concentration of hydrogen.
• the (fixed) construction of the tunnel, without dynamic joints, and the associated safety devices make the installation particularly robust and suitable for the treatment of a wide range of waste.
• At least one door of at least one of the container introduction and extraction locks opens or closes in a translation movement transverse to the axis of the tunnel, under the action of means actuators that also allow lifting and lowering a container.
• each airlock is provided with seals comprising at least one inflatable portion capable of being pressed against a portion of a side door of tubular lock chamber.
• each airlock has a generally cylindrical interior volume and comprises a tubular-shaped airlock side door rotated by a rotary drive member provided in the airlock.
• each airlock has a generally cylindrical interior volume and comprises a tubular-shaped airlock side door rotated by a rotary drive member provided in the airlock.
• the heating means comprise at least one heat source inlet, heating fluid circulation ducts arranged along the tunnel and heat distribution means connecting the heat source inlet to each longitudinal conduits for circulation of the heating fluid.
• the fixed construction comprises several cylindrical modular sections including heating fluid circulation ducts for composing the thermolysis tunnel.
• the set of modular sections forming the tunnel is surrounded by a zone of thermal insulation with the outside.
• the containers are of cylindrical shape of revolution and each comprise two ring gear arranged axially and adapted to mesh with racks, holes being drilled axially on the base sections of the container.
• the means for guiding the containers are provided in lateral recesses of the tunnel, the evacuation means communicating with the interior of the tunnel at one of the lateral recesses.
• the peripheral element of the containers comprises on two opposite sides with respect to the container means hooked respectively allowing lifting and lowering of the container by vertical translation means respectively associated with the container introduction lock, respectively the container extraction lock.
• a further object of the present invention is to provide a homogeneous, efficient thermolysis process which makes it possible to easily control the waste treatment parameters.
• the invention relates to a thermolysis process for the treatment of industrial and / or household waste, implemented by means of a thermolysis tunnel system comprising a fixed construction including a thermolysis tunnel and containers. each having at least one pierced container, the method comprising a step of loading waste into the containers of a plurality of containers and a step of thermolysis of the waste in the containers conveyed in the tunnel, characterized in that has:
• the method according to the invention comprises a step of pushing between containers by contact between peripheral elements of at least two containers introduced successively into the tunnel.
• the pushing step comprises a translation of the containers in two alternative directions according to the first determined direction, activated alternately by pushing means located upstream of the tunnel, respectively downstream of the tunnel.
• each container loaded and equipped with the peripheral element is lying along an axis of longitudinal symmetry perpendicular to the first determined direction and placed in the fixed construction in a container introduction chamber upstream of the tunnel, before the introduction step in the tunnel.
• the thermolysis step comprises heating the contents of the containers introduced into the tunnel, by circulating a heating fluid in ducts distributed in the fixed construction homogeneously around the tunnel.
• the method according to the invention comprises a step of extracting a container having passed through the tunnel, in which the container leaving the tunnel is pulled by traction means of a lock of the fixed construction provided for the extraction of containers.
• thermolysis step comprises a step of pumping inside the tunnel to maintain a depression, a separation of volatile products formed in the containers by the thermolysis being carried out by means of evacuation of the tunnel.
• the method according to the invention comprises a step of sealing the tunnel entrance after the introduction step, by rotating a door of an inflatable seal device.
• the method according to the invention comprises a step of sealing the exit of the tunnel after the extraction step, by rotating a door of an inflatable seal device.
• FIG. 2 shows a cross-sectional view of the interior of a tunnel in operation
• FIG. 3 illustrates an example of loading and packaging of waste in a container, which can enter the tunnel via an airlock;
• FIG. 5 represents a perspective view of a device according to the invention
• FIG. 6 schematically shows the isolation of a container exiting the tunnel through an airlock extraction
• FIG. 7 illustrates an example of exit and unloading of a container having undergone a thermolysis process in the tunnel system according to the invention
• FIG. 8 shows a top view of the junction between an airlock and the tunnel to illustrate the closure operation of the airlock
• FIG. 9 represents a perspective view of a construction provided with an introduction chamber, a tunnel and an extraction chamber, making it possible to process several waste containers according to the process of the invention.
• FIG. 10 represents a diagram of steps carried out according to one embodiment of the invention.
• the industrial / household waste thermolysis system comprises containers (2) having a pierced container (20) intended to contain the waste to be treated and a tunnel (10) provided with means (12) for guiding for the transport of containers (2).
• Each container (2) is advantageously equipped with at least one peripheral element (25) projecting from the pierced container (20).
• This element device (25) may consist of a belt extending in a plane parallel to a longitudinal axis of symmetry of the container (20). This belt then forms a container push frame (2).
• At least one support surface (22) of the peripheral element makes it possible to push a container (2) during its transport.
• the guide means (12) can engage rolling means (21) of the container (20), rotatable relative to the peripheral member (25).
• the container (20) can roll on itself in the tunnel (10), which ensures a reversal by gravity, the contents of the container (20).
• Each container (20) has for example a cylindrical shape and the tunnel (10) is dimensioned to receive a succession of coated containers (2) having their longitudinal axis of symmetry (D2) arranged perpendicularly with respect to a first determined direction (D1) which corresponds to a thrust direction of the containers in the tunnel (10).
• the peripheral element (25) protects the container (20) rolling a container (2) from shocks with another container (2) and facilitates translational drive containers (2) in the tunnel (10).
• the peripheral element (25) projects beyond a container (20) at least on two opposite sides of the container (20).
• the guide means (12) can prevent the container (20) to slide, the latter following a cycloidal or helical path type.
• the thermolysis tunnel system comprises a fixed construction (1) which comprises an interior volume forming the tunnel (10), an inlet and an outlet at each end of the tunnel (10), means (12) for guiding the containers (2) which can include one or more racks, heating means (14) controllable to generate the thermolysis, and evacuation means (15) for separating the products formed in the containers (2). ) by thermolysis.
• Means (13) for securing the heating may be provided, with cooling ducts circulating where appropriate a fluid such as water / nitrogen for example along heating ducts.
• the containers (20) are of cylindrical shape of revolution and may each comprise two axially arranged toothed rings. For example, holes (201) are axially pierced on the base sections of the container (20).
• the containers (20) of the containers (2) have a diameter allowing them to receive flat a tire of conventional size having not undergone any prior treatment. These containers (20) are pierced with holes (201) of 3 mm in diameter, for example, to allow the gases issuing from the thermal reaction to escape. These containers (20) may comprise one or more toothed crowns (201) intended to collaborate with racks or any similar guiding means (12) of the waste treatment tunnel system (M).
• the means (21) for rolling the container (20) comprise two so-called end rings, for example of equal diameters smaller than the diameter of the container (20). These rings are each fixed coaxially on a base section of the container (20).
• the holes (201) drilled in the containers (20) are, for example, formed within the area defined by the end rings (203), in the surfaces of the base sections of the containers (20).
• the gas outlet is at an axial end (210) projecting from the rolling means (21).
• the means (21) for rolling the container (20) may comprise any other shape adapted to engage with the means (12) for guiding the container (20) on itself in the tunnel (10) and allow gravity reversal of the contents of the container (20).
• the means (12) for guiding the containers (2) can be provided in lateral recesses (E) of the tunnel (10). A sufficiently large space is left above the guide means to allow the passage in the recesses (E) of the end rings or rolling means (21) analogous.
• the tunnel (10) comprises means (150) for transferring the thermolysis gases to a burner.
• the evacuation means (15) communicate with the interior of the tunnel (10) at one of the lateral recesses (E) and allow the transport of the volatile products, formed in the containers (2) by thermolysis, to the means (150) of transfer.
• An inlet (140) of heat (for example 85O 0 C) of the burner can also be connected to the tunnel system.
• the system enveloping the interior volume in which the containers (2) are transported may be double-walled or single-walled as illustrated in FIG.
• the heating means (14) of the system may comprise circulation ducts for a heating fluid arranged along the tunnel (10) and heat distribution means (C1, C2) connecting at least a heat source inlet to each of the longitudinal conduits for circulating the heating fluid.
• the distribution means (C1, C2) of heat may comprise two heat distribution rings, placed for example on either side of a central zone (Z, FIG. 4A), the hottest, of the tunnel (10). thermolysis.
• the length (L) of the construction including the tunnel (10) and the locks (3, 4) for introducing and extracting containers (2) can be of the order of 30 meters (complete line) so as to accommodate in the tunnel about ten containers (2).
• this fixed construction (1) comprises a plurality of modular sections (100) cylindrical including heating fluid circulation ducts to compose the thermolysis tunnel (10).
• the set of modular sections (100) forming the tunnel (10) may be surrounded by a zone (I) of thermal insulation with the outside. It is understood that one or more modular sections (100) can be transported more easily than the complete line.
• the thermolysis tunnel system (10) can be assembled in a modular manner and includes means for adjusting the heating, for example by extending the heating zone and / or increasing the temperature of the heating ducts or similar heating elements. Thus, it is permitted to adapt the heating to the type of waste to be treated.
• the tunnel (10) can be maintained in depression by pumping means.
• the tunnel (10) is extended at each of its ends by an airlock (3) for introduction and airlock (4) for extraction, each airlock (3, 4) being able to receive at least one container (2) between two doors ( D3, 33, D4, 43) provided with sealing means to allow individual admission or extraction of a container (2) in the tunnel (10) of thermolysis without putting in direct communication the interior of the tunnel (10) with the outside atmosphere.
• the waste (M) is loaded into a container (20), for example by means of a funnel (230). After closing the lid (23), the container (20) is equipped with the push frame forming the peripheral element (25). Before being introduced into the thermolysis tunnel (10), the loaded container (2) must pass into an airlock
• This airlock (3) is for example associated with a container loading device (2) in a horizontal position.
• the loading device (not shown) comprises a control system and at least one maneuvering arm capable of receiving a container (2) lying at a first height level above the introduction lock (3).
• a lifting system of the operating arm brings axial end gripping means to the first level of height and, once the container (2) is gripped, it is lowered to a second level of height, within the sas (3).
• An unloading device similar to the loading device is associated with the extraction lock (4).
• the control system allows the control of the loading as needed.
• the peripheral element (25) of the containers (2) can comprise, on two opposite sides with respect to the container (20), hooking means (26) respectively allowing lifting and lowering of the container (2) by means of vertical translation loading device and / or unloading device.
• the gripping means cooperate with these hooking means (26) for raising or lowering a container (2) in the supine position.
• At least one door (33, 43) of at least one of the locks (3, 4) for introducing and extracting containers (2) opens or closes in a translation movement transverse to the axis of the tunnel (10), under the action of actuator means which also allow to raise and lower a container (2).
• the loading device and the unloading device can each lift / lower the door (33, 43) for access to the airlock and the container (2) in parallel.
• the door (33, 43) for access to the lock (3, 4) can be pivotally mounted.
• the container introduction lock (3) comprises first translation drive means (31, 32) for introducing a container (2) into the tunnel (10), by pushing said surface bearing (22) of the peripheral element (25).
• first translational drive means (31, 32) comprise, for example, a winder / unwinder device (31) of a push chain (32).
• two thrust chains (32) allow, by at least one transverse thrust surface disposed at the free end of the chains (32), to move in translation a container (2) of the airlock. introduction (3) to the interior of the tunnel (10).
• a rack system or drive cable can make it possible to carry out the thrust.
• each airlock (3, 4) is provided with seals (35, 45) comprising at least one inflatable part that can be pressed against a portion of a side airlock door ( D3, D4) of tubular form. This side door (D3, D4) can slide to allow communication between the tunnel (10) and the lock (3, 4).
• each chamber (3, 4) may comprise a generally cylindrical internal volume and comprises a lateral door of tubular-shaped lock (D3, D4) rotated by a rotary drive element (36) provided in the lock (3, 4). It is understood that the presence of the two doors (33, D3, 43, D4) for each lock (3, 4) is a double security of the thermolysis system.
• the lateral door (D3) can be rotated around an axis of symmetry (300). ) vertical of the airlock (3) of introduction.
• the door (D3) may consist of a perforated tube to allow access to the tunnel (10).
• a vacuum pump (V) or similar means of air extraction can ensure the depressurization of the introduction lock (3).
• thermolysis treatment in the tunnel (10) can last about an hour.
• the first translational drive means (31, 32) are used to push the incoming container (2) and thus cause displacement of the plurality of containers along the longitudinal direction (D1) of the tunnel (2). present in the tunnel (10). This displacement towards the exit of the tunnel (10) causes the rolling of the containers (20) in a first direction of rotation.
• the container (2) which has been introduced first arrives in the extraction chamber (4), it is permitted to use the second translation drive means (41, 42) of this airlock (4). ) to reintroduce this container (2) in the tunnel (10), by pushing the peripheral element (25) in the opposite direction of the insertion thrust.
• Second translation drive means (41, 42) may comprise a winder / unwinder device (41) of a chain (42) for both pushing and pulling containers (2).
• thermolysis tunnel (10) During passage through the thermolysis tunnel (10), the progressive rise in the temperature of each organic compound present in the waste has the effect of releasing in its vicinity the compounds which they contain in the form of gas: the water which for example, steam, but also volatile organic compounds for example.
• a first zone of the tunnel adjacent to the introduction lock (3) may allow drying or preheating. With the continuous rise of the temperature (a maximum temperature being obtained for the median zone (Z) of the tunnel (10)), the macromolecules then break to provide shorter molecules in the form of gases, liquids or solids . It thus gradually forms a reducing atmosphere.
• the evacuation means (15) make it possible to rapidly transfer the volatile compounds outside the tunnel (10).
• the extraction of the container (2) out of the tunnel (10) is permitted by a traction of the peripheral element (25), in this case by gripping for example a front part of the frame thrust member forming the peripheral element (25).
• the second driving means (41, 42) may comprise at least one gripping member of the peripheral element (25) intended to fit into a spacing (e) between said peripheral element (25) and the container ( 20) associated.
• the closure of the lock (3) after introduction of a container (2) comprises the sliding of the side door (D3) in a circular path. If a container (2) to be introduced is already present in the lock (3), the closure can still be achieved.
• the thrust frame forming the peripheral element (25) may have roundings (24) to prevent clogging of the side door closure (D3). This door (D3) can thus slip between two containers (2) close together.
• the extraction lock (4) can be constructed in a manner completely similar to the introduction lock (3) illustrated in FIG. 8, with a push-pull unit and with supports (S1). of the thrust frame provided in the alignment of the supports (S2) of the tunnel which form a termination of the guide means (12). These supports (S2) hold the guide at least until the container (20) is rotated by its passage on the guide means (12) rack type.
• the outgoing container (2) is isolated. A verification of the contents can be done in the extraction chamber (4). This results in evacuation by the unloading device if the thermolysis gases have been completely separated. Otherwise, the container (2) can be returned to the tunnel (10) from this lock (4) by a mechanism similar to the introduction mechanism. With reference to FIG. 7, the contents (S) of the outgoing container (2) can be recovered in storage means (6), after removal of the peripheral element (25) and the cover (23). The peripheral element (25) can also remain integral with the container (20), the latter being rotatably mounted relative to this element (25).
• thermolysis process according to the invention An example of the course of the thermolysis process according to the invention will now be described with reference to FIGS. 1, 9 and 10.
• thermolysis process is carried out via the thermolysis tunnel system comprising the containers (2) and the fixed construction (1) including the thermolysis tunnel (10).
• the containers (2) can be introduced into the introduction lock (3).
• an equipment step (51) for each container (2) of the peripheral member (25) projecting from the pierced container (20) is performed prior to the step (52). ) container loading (2).
• this loading step (52) may comprise the lowering of a container (2) in the lock (3), until the peripheral element (25) bears on the lateral supports (S1) provided in the introduction lock (3).
• Each container (2) loaded and equipped with the peripheral element (25) is lying along a longitudinal axis of symmetry (D2) perpendicular to the first determined direction (D1) and placed in the fixed construction (1) in the introduction chamber (3) for containers upstream of the tunnel (10), before the step (53) of introduction into the tunnel (10).
• the air of the introduction lock (3) can be extracted to a vacuum pump (V).
• the method comprises a step (53) for introduction in translation in a first determined direction (D1) of the container (2) in the tunnel (10) by pushing on at least one bearing surface (22) of the peripheral element (25).
• the lateral door (D3) of the introduction lock (3) is closed during a step (54) for sealing the tunnel entrance ( 10), by rotation of a door (D3) of a closing device (36, D3) with inflatable seal (35).
• the step (500) of thermolysis of the waste in the containers (2) in conveying is then performed under the effect of the heat generated by the heating means (14) of the tunnel (10).
• the containers (20) can only move by rolling on the guide means (12), whereas the direction of translation of the containers (2) depends on a thrust initiated by the drive means (31, 32, 41). , 42) in translation of the locks (3, 4).
• the step (55) of rolling the container (20) on itself in the tunnel (10) allows the gravity reversal of the contents of the container (20) and is combined with the displacement in translation of the peripheral element (25) along the guide means (12) such as for example a rack or a continuous chain.
• the method comprises at least one step (56) of thrust between containers (2) by contact between peripheral elements (25) of at least two containers (2) successively introduced into the tunnel ( 10). It is understood that a thrust at the entrance of the tunnel (10) can drive all the containers (2) in a conveying direction in a specific direction, along the longitudinal direction (D1) of the tunnel (10).
• the pushing step (56) can comprise a translation of the containers (2) in two alternative directions according to the first determined direction (D1). This translation is activated alternately by thrust means (31, 32, 41, 42) located upstream of the tunnel (10), respectively downstream of the tunnel (10).
• the thermolysis step (500) may also include a pumping step within the tunnel (10) to maintain a depression.
• the thermolysis step (500) comprises heating the contents of the containers (2) introduced into the tunnel (10) by circulating a heating fluid in distributed heat exchanger conduits. in the fixed construction (1) uniformly around the tunnel (10).
• the container (2) comes out during a step (58) of extraction, in which the container (2) leaving the tunnel (10) is pulled by means of pulling the lock (4) of the fixed construction (1) provided for the extraction of containers (2).
• a sealing step (57) of the tunnel exit ( 10) by rotating a door (D4) of an inflatable seal device (45).
• the container (2) is evacuated by the upper door (43), the side door (D4) sealing otherwise the outlet tunnel (10).
• each of the airlock (3, 4) can be controlled independently of one another.
• the residence time of each container and the rotation of the containers (20) can be precisely controlled.
• the airlock (4) may include any means suitable for towing the push frame of a container (2).
• One or more movable fingers falling in the gap (e) between the container (20) and the peripheral member (25) can be used to pull a container (2) towards the extraction lock (4) .
• the locks (3, 4), of cylindrical shape or the like, remain relatively compact. A folding of each push chain (32, 42) is permitted by means of a chain receiving device (34).
• the container arrangement (2) equipped with a peripheral element (25) and driven by push chains (32) makes it possible to avoid the collision between rolling containers, which which would slow down the process.
• the container (2) introduced is pushed during the entry and the container (2) to be extracted is pulled (outgoing side).
• the container (2) is then perfectly positioned and ready to be extracted.
• Transport is instead controlled precisely by the method according to the invention.
• Another advantage of the system according to the invention is the gain in control and efficiency of the thermolysis. From waste such as used tires (light vehicles and heavy vehicles), it is possible to recover near exploitable materials distributed approximately as follows: 15% of steel, 35% of hydrocarbon type oil, 25% of gas and 25% carbon black. Concretely, this means that 350 liters of pyrolytic oil can be obtained from a ton treated. This represents a prime economic interest in that a more exploitable oil than crude oil has a real market value.

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• Oil, Petroleum & Natural Gas (AREA)
• Materials Engineering (AREA)
• Organic Chemistry (AREA)
• Combustion & Propulsion (AREA)
• Processing Of Solid Wastes (AREA)

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• 2006
  • 2006-04-28 FR FR0603836A patent/FR2900412B1/fr not_active Expired - Fee Related
• 2007
  • 2007-04-26 EP EP07731365A patent/EP2016156A1/de not_active Withdrawn
  • 2007-04-26 WO PCT/FR2007/000707 patent/WO2007125198A1/fr not_active Ceased

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