US20060281956A1 - Method for recycling rubber-containing wastes - Google Patents

Method for recycling rubber-containing wastes Download PDF

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Publication number
US20060281956A1
US20060281956A1 US10/554,005 US55400504A US2006281956A1 US 20060281956 A1 US20060281956 A1 US 20060281956A1 US 55400504 A US55400504 A US 55400504A US 2006281956 A1 US2006281956 A1 US 2006281956A1
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Prior art keywords
wastes
fraction
boiling temperature
solvent
temperature below
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English (en)
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Kirill Bochaver
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Obschestvo S Ogranichennoy Otvetstvennostyu "ntd Tamanno"
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Obschestvo S Ogranichennoy Otvetstvennostyu "ntd Tamanno"
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Assigned to OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU "N.T.D. TAMANNO" reassignment OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU "N.T.D. TAMANNO" ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOCHAVER, KIRILL ZYSKOVICH
Publication of US20060281956A1 publication Critical patent/US20060281956A1/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/20—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with hydrocarbons or halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/06—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G35/00—Reforming naphtha
    • C10G35/04—Catalytic reforming
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
    • C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • This invention relates to disposal in the chemical industry of organic industrial and household rubber wastes and their processing into motor fuel and chemical stock to be further used as a boiler fuel, a bituminous-like binder or stock for production thereof, technical carbon or stock for production thereof, for electric arc furnaces, electrolysis baths, carbon-carbonic materials (CCM) for metallurgy, etc, as well as a small quantity of hydrocarbon gas which may be used as a fuel.
  • CCM carbon-carbonic materials
  • a method for recycling rubber-containing waste into motor fuel and chemical stock includes thermal liquefaction (thermolysis) of wastes in a hydrocarbon solvent at an elevated pressure (International Application WO 95/20007, C08J 11/20, published on 27 Jul. 1995).
  • the said method uses wastes of the synthetic rubber production, which are taken with source rubber-containing waste in the weight ratio of 2-4:1, respectively, and the thermal liquefaction process is carried out at a temperature from 270 to 420° C. and a pressure from 1 to 6 MPa.
  • an embodiment of the method provides for partial return to the process the liquid fraction obtained after distillation, having the boiling temperature above 200° C., as an additive to the initial hydrocarbon solvent in the weight ratio of 1-5:10, respectively, and the remaining part of the said fraction is separated as the target product.
  • An advantage of the said method is its simplified technology and an increase in the yield of the light fractions having the boiling temperature under 200° C.
  • a limitation of the said method is the use of wastes from the synthetic rubber production, since such wastes are not always available in the required quantity.
  • a method for recycling organic polymeric wastes includes the thermal liquefaction of wastes at a temperature above 270° C. and an elevated pressure in at least one solvent, namely alkyl benzene, the separation of the liquid fraction with its subsequent distillation (RF Patent No. 2167168, C08J 11/04, published on 20 May 2001).
  • the said method uses, while thermally liquefying wastes, an elevated pressure not lower than 6.1 MPa, and, after being distilled, the liquid fraction with a boiling temperature at least 210° C. is introduced as an additional component of the solvent in the weight ratio not less than 1:1 at thermally liquefying new wastes.
  • the solvent-waste weight ratio is selected in the range from 1:1 to 4.2:1. Moreover, after being distilled, the liquid fraction having the boiling temperature not less than 210° C. is introduced as an additional component of the solvent in the weight ratio at least 5:1.
  • An advantage of the said method is the use of alkyl benzene as an organic solvent.
  • a limitation of the said method is its high energy intensity due to using, as a part of the solvent, the liquid fraction with the boiling temperature not less than 210° C., and high operation pressures exceeding 6.1 MPa.
  • the closest method is a method of processing organic polymeric wastes, including rubber-containing ones, comprising, when started up in a reactor, the thermal liquefaction of wastes in an organic solvent, namely alkyl benzene, at a temperature above 270° C. and a pressure up to 6 MPa, the separation of the liquid fraction from the unsolved product, the distillation of the liquid fraction into a fraction having the boiling temperature below 220° C. and a fraction having the boiling temperature above 220° C. (RF Patent No. 2110535, C08J 11/04, published on 10 May 1998).
  • the thermal liquefaction of wastes is carried out at a temperature from 270° C. to 420° C. and at a pressure from 1 MPa to 6 MPa with the solvent-waste weight ratio 2-4:1, respectively, in the presence of a rare-earth metal or intermetallics based on rare-earth metals or in the presence of titanium hydride, which are taken in the amount of 0.5% to 10% of the reaction mixture weight, alkyl benzene, e.g., toluene, xylene, dimethyl-trimethyl-tetramethyl benzene or mixtures thereof, is used as the solvent, or the product of distilling “raw benzene” produced by high-temperature coking of black coals is used as the solvent, which enables to accelerate the process of processing wastes and increase the yield of liquid products, as well as the latter's content of fractions having the boiling temperature below 200° C.
  • the said method enables to increase the rate of conversion of rubber-containing and other organic wastes.
  • the process is carried out in the presence of a rare-earth metal or intermetallics based on rare-earth metals or in the presence which are taken in the amount of 0.5% to 10% of the reaction mixture weight, which complicates the production process, and, moreover, removal of these additional catalysts and additives from the resulting valuable target product, namely, technical carbon, is very complicated;
  • This invention is based on the task of creating a method for recycling rubber-containing wastes, which would enable to accelerate the process and simplify the technology, improve the process productivity as to the yield of a high-octane gasoline fraction and to produce technical carbon as a commercial product, and, thus, lower the power intensity, expand the functional capabilities and raise the quality of the products while lowering the operating costs.
  • the organic solvent-waste weight ratio being more than 1.0
  • the liquid fraction with the boiling temperature below 220° C. is subjected to catalytic reforming, a part of the liquid fraction, as subjected to catalytic reforming, with the boiling temperature below 220° C. is used as the target product, and the remaining part of the liquid fraction, as subjected to catalytic reforming, with the boiling temperature below 220° C. is used as a solvent and returned for thermal liquefaction of a new batch of wastes at a temperature of 280° C.
  • the liquid fraction, as obtained from the new batch of wastes, with the boiling temperature below 220° C. is subjected to catalytic reforming, a part of the liquid fraction, as subjected to catalytic reforming, with the boiling temperature below 220° C. is used as the target product, and the remaining part of the liquid fraction, as subjected to catalytic reforming, with the boiling temperature below 220° C.
  • alkyl benzene and/or the gasoline fraction with a boiling temperature below 220° C. is used as an organic solvent
  • a part of the liquid fraction, as subjected to catalytic reforming, with the boiling temperature below 220° C. is once again returned for thermal liquefaction of a new batch of wastes at a pressure in the range from at least 2.9 MPa to not more than 5 MPa, the solvent-waste weight ratio being in the range from more than 1.0 to not more than 3.0.
  • the light fraction of liquid hydrocarbons with a boiling temperature below 220° C. is a mixture of hydrocarbons from the solvent and those produced from rubber by thermolysis and is a low-viscosity (gasoline viscosity) liquid of light-yellowish color having the odor of aromatics and unsaturated hydrocarbons, which is usually distilled in the temperature range from 60° C. to 220° C.
  • the heavy fraction of liquid hydrocarbons which is obtained after thermal liquefaction (thermolysis) of rubber, has a small (not more than 5 wt. %) addition of the light-fraction hydrocarbons and is a black viscous (light-oil consistence) liquid with the pour point in the range from 0° C. to +5° C.
  • thermolysis thermal liquefaction
  • thermal solubilization the active part of thermal liquefaction (thermolysis, thermal solubilization) is alkyl benzene (or a mixture of alkyl benzenes). Therefore, it is expedient to raise the aromatics concentration in the solvent in order to activate the process of thermolysis.
  • thermolysis light fraction vapors having a boiling temperature below 220° C.
  • the process of waste thermal liquefaction is carried out with the use of an organic solvent produced by the very thermal liquefaction process, wherein, for the purpose of activating subsequent batches of wastes, the light fraction with a boiling temperature below 220° C., which is produced in a thermal liquefaction reactor in the result of distillation, is subjected to reforming before using it as the organic solvent for thermal liquefaction of the next batch of wastes.
  • the need in a deficit organic solvent for thermal liquefaction of subsequent batches of wastes, as well as in other thermolysis activators, e.g., rare-earth metals, intermetallics, titanium hydride, etc. is eliminated completely.
  • the balancing liquid product which is accumulated during the circulation of the liquid hydrocarbon light fraction through the processes of reforming and thermal liquefaction, is the highly aromatic, isomerized and, therefore, high-octane and low-sulfur component of motor gasoline. A part of this target product is taken off and used for its purpose when excess quantities are accumulated. The remaining part of the liquid fraction, as subjected to catalytic reforming, with a boiling temperature below 220° C. is returned for thermal liquefaction of the next batch of wastes.
  • FIG. 1 shows the process flow-chart of a plant for implementing the inventive method
  • FIG. 1 schematically shows: a thermolysis reactor 1 , a unit 2 for preparation and feeding of rubber-containing wastes, a reforming reactor 3 , a cooler-condenser 4 , a gas-liquid separator 5 , a pump 6 , a pipe furnace 7 , a distributive device 9 , a rectifying column 10 .
  • thermal liquefaction thermal liquefaction
  • rubber-containing wastes are washed, milled and separated from the slime I (steel cord, textile, dirt) in the unit 2 and afterwards are fed into the reactor 1 (conical) with a fluidized bed of rubber crumb and technical carbon in a solvent, which are is a state close to pseudo-critical.
  • thermolysis of rubber and its conversion to the thermolysis products is carried out in the pseudo-fluidized bed of the solvent:
  • the flow IV is cooled and partially condensed in the cooler-condenser 4 , and separated in the gas-liquid separator 5 .
  • the liquid light hydrocarbons fraction V (LHF) is fed by the pump 6 to the pipe furnace 7 (with flame heating) where it is heated to the temperature necessary for carrying out reforming in the reactor 3 .
  • a stationary layer of a reforming catalyst containing ZSM-5-type zeolite is used, which is promoted with 2% ZnO (see, for example, RF Patent No. 2130960)
  • LHF V is heated in the pipe furnace 7 to a temperature app. 500° C., and the LHF temperature after reforming is app. 450° C.
  • the product of reforming is fed to the distributive device 9 of the reactor 1 for using as an organic solvent.
  • the balancing part of LHF is taken from the circulating flow and fed to the rectifying column 10 for stabilization in order to produce the motor gasoline fraction VI, the separation gas fraction VII and the stabilization fraction VIII (is used as a fuel in the pipe furnace 7 ).
  • the remains of steel cord IX are removed together with the liquid heavy hydrocarbons II having a boiling temperature above 220° C. from the reactor 1 .
  • FIG. 2 schematically shows: a thermolysis reactor 1 (electrically heated, sealed) with a bag made of a glass cloth or a carbon fiber cloth for rubber crumb or bigger fragments of tires, a reforming reactor 3 with a zeolite-containing catalyst, a cooler-condenser 4 (water) of thermolysis product vapors, a gas-liquid separator 5 , a gas meter 16 , thermometers 17 , pressure gages 18 , a metering reservoir 19 for the light fraction of liquid hydrocarbons, a metering reservoir 20 for the heavy fraction of the products, a sampler 21 , an adjusted valve 22 , stop valves 23 , electric heaters 24 .
  • Fragments of tires or crumb of rubber-containing wastes are put in the 12 L bag of the reactor 1 .
  • a solvent is fed into the reactor 1 .
  • the inner space of the reactor 1 is heated to a temperature in the range from 280° C. to 350° C., holding the pressure at the level 2.5 to 5.0 MPa. Afterwards the temperature is raised due to the exothermic reaction of thermal liquefaction (thermolysis). Depending on the weight ratio of wastes and an organic solvent (initial) (or a solvent when using the liquid light hydrocarbon fraction as the subsequent solvent) the temperature is raised to the level from 330° C. to 500° C.
  • the pressure is raised to 2.5-5.0 MPa and is held at the set level from 2.5 to 5.0 MPa by removing a part of the organic solvent vapor and gas through the reforming reactor 3 , the cooler-condenser 4 , the gas-liquid separator 5 and the valve 22 .
  • the quantity of the hydrocarbon gas is metered with the gas meter 16 .
  • the temperature and the pressure in the reactors 1 and 3 is registered by the thermometers 17 and the pressure gages 18 .
  • the temperature in the reactor 1 stops increasing, it means that the process of thermal liquefaction (thermolysis) is completed. After holding for 15 minutes the pressure in the plant is lowered to the atmospheric pressure. During the whole experiment the gas meter 16 registers the quantity of the non-condensed gas—a product of thermolysis.
  • the liquid product (the low-boiling light liquid fraction (LB)—220° C.) from the gas-liquid separator 5 is drained to the metering reservoir 19 .
  • the reactor 1 is cooled, it is depressurized, technical carbon, as contained in the bag, is removed and weighed. The heavy fraction of liquid hydrocarbons is drained to the metering reservoir 20 .
  • reaction products from the metering reservoirs 19 and 20 and the sampler 21 are analyzed for determining their composition.
  • a part of the LB-220° C. fraction, as subjected to reforming, is used as the solvent for the next experiment.
  • the next thermal liquefaction is carried out at the expense of the solvent (the light fraction subjected to reforming) obtained from the previous experiment.
  • the solvent reforming results are given in Table 1, third column.
  • Table 1 shows the chromatographic analysis results of the light fraction of the products obtained after thermal liquefaction of rubber before reforming (Table 1, Column 2) and after it (Table 1, Column 3).
  • the active alkyl benzenes content is, respectively, 60% and 80% by weight. Reforming converts paraffin, naphthenic and unsaturated hydrocarbons into aromatic compounds (alkyl benzenes).
  • thermal liquefaction is started with the use of an organic solvent, e.g., any technical alkyl benzene or a mixture of alkyl benzenes having a boiling temperature below 220° C. If alkyl benzenes are unavailable, it is possible to use any gasoline fraction having a boiling temperature below 220° C.
  • an organic solvent e.g., any technical alkyl benzene or a mixture of alkyl benzenes having a boiling temperature below 220° C.
  • any gasoline fraction having a boiling temperature below 220° C.
  • the quantity of alkyl benzene is limited and insufficient for forming the initial volume of an organic solvent, then, as the studies have showed, it may be supplemented with any straight-run gasoline.
  • a straight-run gasoline containing 14% of aromatic hydrocarbons has been used.
  • the alkyl benzenes content of it has increased and stabilized at the level of 80%.
  • a mixture of toluene and a straight-run gasoline has been used.
  • the alkyl benzenes content has also increased to 80%.
  • the inventive method for recycling rubber wastes may be most satisfactorily used for chemical processing of various rubber materials, primarily tires, into motor fuel and chemical stock.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
US10/554,005 2003-04-24 2004-04-23 Method for recycling rubber-containing wastes Abandoned US20060281956A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2003111988A RU2220986C1 (ru) 2003-04-24 2003-04-24 Способ переработки резиносодержащих отходов
RU2003111988 2003-04-24
PCT/RU2004/000153 WO2004094562A1 (fr) 2003-04-24 2004-04-23 Procede de recyclage de dechets caoutchouteux

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US20060281956A1 true US20060281956A1 (en) 2006-12-14

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US10/554,005 Abandoned US20060281956A1 (en) 2003-04-24 2004-04-23 Method for recycling rubber-containing wastes

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US (1) US20060281956A1 (ru)
EP (1) EP1632546A1 (ru)
CN (1) CN1809623A (ru)
AU (1) AU2004233181B2 (ru)
EA (1) EA009050B1 (ru)
IL (1) IL171543A (ru)
NZ (1) NZ546958A (ru)
RU (1) RU2220986C1 (ru)
UA (1) UA81156C2 (ru)
WO (1) WO2004094562A1 (ru)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090084287A1 (en) * 2007-09-28 2009-04-02 Sierra Process Systems, Inc., A Corporation Of The State Of California Incorporation of heat-treated recycled tire rubber in asphalt compositions
US20090114519A1 (en) * 2006-04-03 2009-05-07 Recuperacion Materiales Diversos, S.A. Process and Equipment for the Treatment of Waste Materials
US20090291043A1 (en) * 2006-12-27 2009-11-26 Obschestvo S Ogranichennoy Otvetstvennostyu "N.T.D Tamano" Production of carbon black, components of hydrocarbon fuels and raw material for the chemical industry from rubber-containing waste
JP2013053256A (ja) * 2011-09-05 2013-03-21 National Institute Of Advanced Industrial Science & Technology 樹脂の処理方法
US9963404B2 (en) 2010-12-22 2018-05-08 Continental Reifen Deutschland Gmbh Method for producing environmentally-friendly plasticizers

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7626061B2 (en) 2006-09-29 2009-12-01 Mpcp Gmbh Method and apparatus for continuous decomposing waste polymeric materials
RU2460743C2 (ru) * 2010-05-21 2012-09-10 Кирилл Зыськович Бочавер Процесс и установка по переработке резиносодержащих отходов
RU2496587C2 (ru) * 2011-12-15 2013-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) Способ переработки органических и полимерных отходов
RU2480491C1 (ru) * 2012-04-05 2013-04-27 Евгений Николаевич Науменко Способ переработки резиносодержащих и полимерных отходов
CN103342831B (zh) * 2013-06-19 2015-08-19 福建三信织造有限公司 一种干胶废料回收方法
CN104862000A (zh) * 2015-05-21 2015-08-26 张敬伟 一种废料的加工方法

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US4569749A (en) * 1984-08-20 1986-02-11 Gulf Research & Development Company Coal liquefaction process
US5389691A (en) * 1993-09-07 1995-02-14 Univ. Of Wyoming Process for co-recycling tires and oils
US5753086A (en) * 1993-03-10 1998-05-19 The University Of Wyoming Research Corp. Process for waste plastic recycling

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2109770C1 (ru) * 1993-11-02 1998-04-27 Владимир Владимирович Платонов Способ переработки резиносодержащих отходов
RU2110535C1 (ru) * 1997-10-29 1998-05-10 Общество с ограниченной ответственностью "ЭКОДЕСТ" Способ переработки органических промышленных и бытовых полимерных отходов
RU2167168C1 (ru) * 2000-08-17 2001-05-20 Летечин Владимир Михайлович Способ переработки органических полимерных отходов

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569749A (en) * 1984-08-20 1986-02-11 Gulf Research & Development Company Coal liquefaction process
US5753086A (en) * 1993-03-10 1998-05-19 The University Of Wyoming Research Corp. Process for waste plastic recycling
US5389691A (en) * 1993-09-07 1995-02-14 Univ. Of Wyoming Process for co-recycling tires and oils

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090114519A1 (en) * 2006-04-03 2009-05-07 Recuperacion Materiales Diversos, S.A. Process and Equipment for the Treatment of Waste Materials
US20090291043A1 (en) * 2006-12-27 2009-11-26 Obschestvo S Ogranichennoy Otvetstvennostyu "N.T.D Tamano" Production of carbon black, components of hydrocarbon fuels and raw material for the chemical industry from rubber-containing waste
US20090084287A1 (en) * 2007-09-28 2009-04-02 Sierra Process Systems, Inc., A Corporation Of The State Of California Incorporation of heat-treated recycled tire rubber in asphalt compositions
US7811373B2 (en) * 2007-09-28 2010-10-12 Sierra Process Systems, Inc. Incorporation of heat-treated recycled tire rubber in asphalt compositions
US9963404B2 (en) 2010-12-22 2018-05-08 Continental Reifen Deutschland Gmbh Method for producing environmentally-friendly plasticizers
JP2013053256A (ja) * 2011-09-05 2013-03-21 National Institute Of Advanced Industrial Science & Technology 樹脂の処理方法

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EA009050B1 (ru) 2007-10-26
RU2220986C1 (ru) 2004-01-10
UA81156C2 (en) 2007-12-10
NZ546958A (en) 2008-03-28
IL171543A (en) 2010-11-30
EA200501493A1 (ru) 2006-06-30
EP1632546A1 (en) 2006-03-08
AU2004233181B2 (en) 2009-10-08
AU2004233181A1 (en) 2004-11-04
CN1809623A (zh) 2006-07-26
WO2004094562A1 (fr) 2004-11-04

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