Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
  • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
  • B09B3/32—Compressing or compacting
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
  • B09B3/20—Agglomeration, binding or encapsulation of solid waste
  • B09B3/21—Agglomeration, binding or encapsulation of solid waste using organic binders or matrix
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
  • B09B3/20—Agglomeration, binding or encapsulation of solid waste
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
  • B09B3/20—Agglomeration, binding or encapsulation of solid waste
  • B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
  • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
  • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
  • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
• • 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
  • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
• • 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
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L5/00—Solid fuels
  • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
  • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
• • G—PHYSICS
  • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
  • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
  • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
  • G03G21/10—Collecting or recycling waste developer
• • G—PHYSICS
  • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
  • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
  • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
  • G03G21/10—Collecting or recycling waste developer
  • G03G21/105—Arrangements for conveying toner waste
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E50/00—Technologies for the production of fuel of non-fossil origin
  • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
• • 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
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P20/00—Technologies relating to chemical industry
  • Y02P20/141—Feedstock
  • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
• • 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

• the invention relates to a method for processing nonabsorbent powdered materials, in particular waste materials, for subsequent transport, storage and use.
• waste toner powder a waste that arises when recycling toner cartridges into computer printers and copiers.
• the residual toner powder is currently mostly landfilled, with the possibility of its subsequent recovery, which so far dominated its combustion.
• the fine powder must be processed in a suitable manner, as it may be explosive in the air environment.
• the method contributes to the processing of non-absorbent powdered materials, in particular the waste materials, for subsequent transport, storage and use to a great extent.
• the nonabsorbent powdery material first in the first phase in a homogenizer with absorbent material having a particle size of 1 .mu.m to 20 mm and a liquid component or an intermediate for pretreatment of the absorbent material with a liquid component, such as sludge , is mixed.
• the thus obtained homogenized mixture with a minimum weight of 3% of the liquid component is compressed under pressure up to 40 MPa.
• the temperature to which the compressed mixture is heated, measured over the entire cross-section of the compressed mixture, does not exceed 80 ° C and the local temperature increase with mechanical change during compression is limited by a limit temperature of 350 ° C.
• the densification of the homogeneous mixture of nonabsorbent and absorbent powdered material with the liquid component by pressing to 40 MPa is preferably carried out in a rotating horizontal pelletizer with rotating rolls and a fixed or rotating die or in a briquetting device.
• the non-absorbent material is a material of inorganic origin, an organic material comprising a polymeric base which is non-absorbent and a liquid component which is repellent or neutral, or a mixture of such materials of inorganic and organic origin. It is primarily a material from the group consisting of toners, polypropylenes (PP), waxes, polyurethanes (PUR), polyethylene terephthalate (PET), polyoxymethylene (POM), polyamide (PA), polybutylene terephthalate (PBT ), toughened polystyrene (HIPS), acrylonitrile-butadiene-styrene copolymer (ABS), polycarbonate (PC), especially in the form of their wastes.
• toners polypropylenes (PP), waxes, polyurethanes (PUR), polyethylene terephthalate (PET), polyoxymethylene (POM), polyamide (PA), polybutylene terephthalate (PBT ),
• Absorbent material is a material containing organic or inorganic constituents which combine with liquid components, such as materials from the group consisting of grain debris, corn meal, chaff, flour, corn and maize dust and mixtures thereof, straw, hay and their dusts, including manure, biomass, cellulose, lignin, starch, wood waste, paper dust, silica gel, inorganic foams and drying agents having absorbent properties, oil binders, gelatin and coal dust.
• the liquid component is a solution or emulsion of an acidic, basic or neutral composition with a minimum water content of 5%.
• the nonabsorbent powdery material in one specific embodiment, the residual toner powder from the recycling of toner cartridges from computer printers and copiers at 40% by weight first in a homogenizer with 40% by weight of the absorbent material, namely a mixture of cereal and corn dust particles of »of the liquid component 20 mm, with 20 weight 0 / - in particular an aqueous emulsion of water mixed with a water content of at least 10%.
• the thus obtained homogenized mixture with a weight fraction of 20% of liquid component is then compressed by compression to 40 MPa, the temperature at which the heated mixture is heated, measured over the cross section of the compressed mixture, does not exceed 80 ° C and the local temperature increase during the mechanical change in compression is limited by a limit temperature of 350 ° C.
• the compression of the homogenized mixture of non-absorbent and absorbent powdered material with a liquid component by compression to 40 MPa is carried out in a rotating horizontal pelletizer with rotary drawers.
• the resulting pellets are suitable as a solid fuel.
• Absorbent powdery material - in the concrete embodiment first the residual toner powder of recycled toner cartridges of computer printers and copiers of 30% is first mixed in the first phase in the homogenizer with 20% of the material that absorbs the material, namely a mixture of polyurethane dust with a particle size of up to 10mm, and with 40% of the absorbent material, namely a mixture of corn and corn dust, and with 10% of a liquid component having a water content of at least 10%.
• the water content in the liquid component is thus at least 10% by weight.
• the homogenised mixture thus obtained containing 10% by weight of liquid component, is then compressed by compression to 40 MPa, the temperature at which the heated mixture is heated, measured over the cross-section of the compacted mixture, does not exceed 80 ° C and the local Temperature increase during the mechanical change in compression is limited by a temperature limit of 350 ° C.
• the compression of the homogenized mixture of non-absorbent and absorbent powdery material with a liquid component by compression to 40 MPa is carried out in a rotating horizontal pelletizer with rotating rolls.
• the resulting pellets serve as a solid fuel.
• Absorbent powdery material - in the concrete embodiment first the residual toner powder of recycled toner cartridges of computer printers and copiers is mixed with 30% first in the first phase in the homogenizer with 20% of the nonabsorbent material, namely a mixture of polyurethane dust with a particle size of up to 10mm, and with 50% by weight of the liquid component - namely a water emulsion with the water weight fraction of at least 20%.
• the nonabsorbent material namely a mixture of polyurethane dust with a particle size of up to 10mm
• the thus obtained homogenised mixture with a weight fraction of 20% in the liquid component is then compressed by compression to 40 MPa, the temperature at which the heated mixture is heated, measured over the cross section of the compressed mixture, does not exceed 80 ° C and the local temperature increase during the axial change during compression is limited by a limit temperature of 350 ° C.
• the compression of the homogenized mixture of non-absorbent and absorbent powdered material with a liquid component by compression to 40 MPa is carried out in a rotating horizontal pelletizer with rotating rolls.
• the obtained pellets can be used as a solid fuel.
• the term "particular” is understood to be a possible more specific embodiment or specification of an object or method step, but is not necessarily a compelling preferred embodiment thereof or a compulsory procedure.

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• Environmental & Geological Engineering (AREA)
• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Physics & Mathematics (AREA)
• Sustainable Development (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Thermal Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• General Physics & Mathematics (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=64100521

Family Applications (1)

Country Status (3)

Citations (5)

• 2017
  • 2017-09-19 CZ CZ2017-557A patent/CZ2017557A3/cs unknown
• 2018
  • 2018-09-17 WO PCT/AT2018/060215 patent/WO2019056033A1/de unknown
  • 2018-09-17 EP EP18796572.8A patent/EP3684522A1/de not_active Withdrawn

Patent Citations (5)

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