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| Number | Title | Issue Date |
| 7959890 | Method of reclaiming carbonaceous materials from scrap tires and products derived therefrom The invention relates to recycled rubber produced by a process comprising the steps of: a) shredding cleaned rubber tires into shreds less than 2″ long; b) pyrolyzing the shreds in a reaction chamber of a thermal processor in a first anaerobic environment to produ... | 06/14/2011 |
| 7347982 | Apparatus and method for recovering carbon black from pyrolysis byproducts A system (10), process and apparatus are disclosed for purifying carbon black (15) containing sulfur and metal oxide impurities by digesting (20) the impure carbon black in an acid to extract the metal oxide (25). Sulfur (45) is th... | 03/25/2008 |
| 7317132 | Method for utilization of rubber wastes by simultaneous pyrolysis with coal Method for utilization of rubber wastes with simultaneous carrying of pyrolysis of coal in cells of a coke oven battery, in which each consequent cell is filled with previously prepared and disintegrated blend of coke coals of a size of particles 0.1-5.0 mm in amoun... | 01/08/2008 |
| 6909025 | Method and equipment for pre-treatment of used tires before a pyrolysis process The present invention concerns a method and an equipment for pre-treatment of used tires (1) before a pyrolysis process. The invention is characterized in that said cleaning of each tire (1) is carried out in a closed chamber (5) with high press... | 06/21/2005 |
| 6268421 | Reinforcement additives The invention concerns reinforcement additives consisting of oligomeric and/or polymeric sulfur-containing organoorganooxysilanes, perhaps other unsaturated hydrocarbon-containing organoorganooxysilanes and reinforcing semiactive, active, and/or highly ac... | 07/31/2001 |
| 6221329 | Pyrolysis process for reclaiming desirable materials from vehicle tires A process and system for the recovery of desirable constituent materials from vehicle tire pieces through pyrolysis. The system includes a pyrolysis section that is divided into a plurality of individual heating zones. Each of the heating zones is heated ... | 04/24/2001 |
| 6103205 | Simultaneous mercury, SO2, and NOx control by adsorption on activated carbon Regenerative adsorption of mercury on activated carbons derived from scrap tires enables the removal and recovery of mercury from combustion/incineration flue gas, with concurrent control of SO2 and NOx. Flue gas is used for regenera... | 08/15/2000 |
| 5976484 | Intermittent continuous method for recovering refined activated carbon from waste tires and the like and the device therefor A method and device is provided which is capable of producing gasified substance and solid-shaped carbonized substances from solid-shaped wastes such as waste tyres by a series of heating, dry distillation and splitting decomposition. After discharging ou... | 11/02/1999 |
| 5961946 | Method for recovering carbon black from a waste rubber such as tires and the like and apparatus therefor The present invention provides a method for producing carbon black and an apparatus therefor, in which a gasification furnace is separated into a lower gasification section and an upper pyrolysis section via a distribution plate, waste tire chips are supp... | 10/05/1999 |
| 5859120 | Carbon black and processes for manufacturing Carbon blacks containing silicon and a process for manufacturing them. The carbon blacks containing silicon are suitable as reinforcing carbon blacks for rubber mixtures and give the latter viscoelastic properties such as reduced rolling resistance in tir... | 01/12/1999 |
| 5728361 | Method for recovering carbon black from composites The invention provides a method and system for continuously recovering carbon black from a plurality of composites where each one of the composites comprises carbon black and polymers. The basic method of the invention comprises a heating step which is co... | 03/17/1998 |
| 5679316 | Activated carbon, production thereof and adsorption using activated carbon An activated carbon has a pencil hardness of B-6B, pore size of 100-400 Å, specific surface area of 150-500 m2 /g, pore volume of 1.3-5.0 ml/g, and if desired, CEC of 8-13 and is composed of carbon microcrystals irregularly arranged. The activ... | 10/21/1997 |
| 5569801 | Polymer conversion process The present invention relates to a process for the conversion of polymers and particularly for the conversion of plastic containers or other plastic wastes. The process requires a minimum number of steps for treating typical industrial plastic wastes. The... | 10/29/1996 |
| 5506274 | Process for making rubberized carbon black from waste rubber and materials made therefrom Waste rubber containing carbon black is broken down in size into small pieces, purged of air and then fed into a retort, likewise purged of air and continuously rotated or oscillated about its longitudinal axis. The retort is maintained at a temperature r... | 04/09/1996 |
| 5423950 | Method and reactor for producing tire oil The reactor forms a chamber which contains the reaction process. There are accesses to the chamber for receiving shredded tires and oil. There are egresses from the chamber for discharging the tire oil and for discharging unreacted elements. Apparatus is ... | 06/13/1995 |
| 5364996 | Partial oxidation of scrap rubber tires and used motor oil Scrap rubber automobile tires, oil soluble plastics, as well as waste motor oil are disposed of by the process of the subject invention without polluting the nation's environment. Further, useful product synthesis gas, reducing gas, or fuel gas is produce... | 11/15/1994 |
| 5309691 | Shear connected structural units An apparatus for joining precast concrete units. A precast concrete unit, such as a section of pipe, decking and pavement includes a plurality of spaced, longitudinally aligned tubular members. The ends of each concrete unit are flush and are bounded by r... | 05/10/1994 |
| 5229099 | Recovery of commercially valuable products from scrap tires Commercially valuable chemicals are extracted from tire-derived pyrolytic oils by subjecting the pyrolytic oils to a fractional distillation at a temperature of up to about 204° C. under atmospheric pressure to isolate at least one commercially valuable ... | 07/20/1993 |
| 5087436 | Recovery of commercially valuable products from scrap tires Commercially valuable chemicals are extracted from tire-derived pyrolytic oils by subjecting the pyrolytic oils to a fractional distillation at a temperature of up to about 204° C. under atmospheric pressure to isolate at least one commercially valuable ... | 02/11/1992 |
| 5085738 | Method and apparatus for thermal conversion of organic matter An apparatus for the thermal conversion and recovery of organic waste materials includes an oxygen-free chamber filled with molten lead and a method of use of the apparatus. The chamber is elongate and inclined so that organic material introduced in a low... | 02/04/1992 |
| 5059408 | Carbon black for tire tread There is disclosed carbon black for a tire tread which has a cetyltrimethylammonium bromide specific surface area (CTAB) of 120 to 160 M2 /g, a dibutly phthalate absorption number of compressed sample (24M4DBP) of at least 100 to 145 ml/100g, a... | 10/22/1991 |
| 5041209 | Process for removing heavy metal compounds from heavy crude oil A process is provided for removing heavy metal compounds from heavy crude oil by mixing the heavy crude oil with tar sand; preheating the mixture to a temperature of about 650° F.; heating said mixture to up to 800° F.; and separating tar sand from the ... | 08/20/1991 |
| 5037628 | Method for reclaiming carbonaceous material from a waste material A method for reclaiming carbon black from scrap rubber material including the following steps. The scrap rubber material is first pyrolyzed to produce a char material that contains a mixture of agglomerated or cluster particles which consist of agglomerat... | 08/06/1991 |
| 4988493 | Process for producing improved carbon blacks A new process and apparatus for producing carbon black is provided and unique reactor with separate carbon black forming reaction zones is described. The process utilizes such a reactor to give unique carbon blacks which give rise to low hysteresis loss a... | 01/29/1991 |
| 4983278 | Pyrolysis methods with product oil recycling A two step retorting process for pyrolyzing a solid feed selected from the group consisting of oil shale, tar sand, waste motor oil, and scrap tires to recover valuable products therefrom comprising retorting a mixture of the solid feed in heavy oil at a ... | 01/08/1991 |
| 4839151 | Recovery process A process for economically recovering char, oil and fuel gas from vehicle tires is disclosed, for either whole tires or physically fragmented tires. The tires may be washed to remove dirt and road film. The tires are dried and preheated with super-heat st... | 06/13/1989 |
| 4647443 | Recovery process A process for economically recovering carbon black, oil and fuel gas from vehicle tires is disclosed, for either whole tires or physically fragmented tires. The tires are washed to remove dirt and road film. The clean tires are dried and preheated with su... | 03/03/1987 |
| 4506034 | Method for the continuous processing of coarse-grained waste rubber into a secondary rubber raw material A method is provided for the continuous processing of coarse-grained waste rubber into a secondary rubber raw material, in which coarse-grained waste rubber having a particle size of 0.5 to 15 mm, preferably approx. 4 to 6 mm, in a layer of a thickness no... | 03/19/1985 |
| 4284616 | Process for recovering carbon black and hydrocarbons from used tires The invention is a process for economically recovering carbon black, oil and fuel gas from used tires. Used tires are physically fragmented. The fragments are pyrolized at slightly subatmospheric pressure in a reactor while process char is being recycled ... | 08/18/1981 |
| 4251500 | Process for hydrocracking a waste rubber This invention relates to a process for hydrocracking a waste rubber such as used tires, used conveyor belts, used hoses etc., and more particularly to a process for hydrocracking such waste rubber with a specific catalyst obtained by mixing (1) a main ca... | 02/17/1981 |
| 4231998 | Method for separating carbon black from fiberglass In processes for making carbon black from automobile tires containing fiberglass, or the like, a mat of fiberglass strands intertwined with carbon black trapped in the interstices thereof can be produced. The present invention discloses method and apparat... | 11/04/1980 |
| 4221608 | Rubber-reinforcing blacks Char obtained by the destructive distillation of scrap rubber vulcanizate is ground in a fluid-energy mill. The resulting black powder, with or without coating with oil, is used as a reinforcing agent for vulcanized rubbers.... | 09/09/1980 |
| 4171345 | Method of manufacture of reinforcing carbon black A method for the production of carbon black which comprises the steps of pyrolyzing at a temperature range of from 250° C. to 950° C., a composition consisting of 0 to 100% scrap vulcanized rubber, 0 to 70% particulate and yarn polymeric resin wastes, a... | 10/16/1979 |
| 4038100 | Char composition and a method for making a char composition Disclosed are a composition produced from rubber containing polymeric hydrocarbons and carbon black by pyrolyzing and grinding such rubber with heated balls for a sufficient length of time to vaporize and depolymerize the hydrocarbons and to produce a sol... | 07/26/1977 |
| 4002587 | Process for producing granular activated carbon Granular activated carbon is produced from a waste tire pyrolysis residue by kneading homogeneously the residue, a wooden carbonaceous material, and a carbonaceous binder under heat, extruding the resulting mixture by an extruder under certain heating con... | 01/11/1977 |
| 3978199 | Recovering carbon black from waste rubber Carbon black is recovered from vulcanized waste rubber such as automobile tires or other articles by reacting pieces of the rubber with an aromatic oil solvent in a stirred reactor at 500°-700°F temperature and about 25-100 psig pressure for 0.5-2 hours... | 08/31/1976 |
| 3966487 | Pyrolization The invention relates to the process for recovery of carbon black of controlled quality from scrap-rubber vulcanizates. Scrap rubber is selected on the basis of the quality of the carbon black used in the preparation of the rubber from which the scrap is ... | 06/29/1976 |
