WO2005100462A1 - 物質の分解処理方法及び分解処理装置並びに分解処理生成物 - Google Patents
物質の分解処理方法及び分解処理装置並びに分解処理生成物 Download PDFInfo
- Publication number
- WO2005100462A1 WO2005100462A1 PCT/JP2004/017754 JP2004017754W WO2005100462A1 WO 2005100462 A1 WO2005100462 A1 WO 2005100462A1 JP 2004017754 W JP2004017754 W JP 2004017754W WO 2005100462 A1 WO2005100462 A1 WO 2005100462A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- treatment
- polymer resin
- decomposing
- substance
- water
- Prior art date
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Classifications
-
- 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
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
- B29K2709/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3067—Ships
- B29L2031/307—Hulls
-
- 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 present invention relates to a method and apparatus for decomposing a substance and a decomposition product.
- the present invention relates to a substance to be decomposed, for example, polymer resin, metal, wood, animal bone, industrial waste, and the like, particularly polymer resin, particularly fiber reinforced plastic (hereinafter referred to as FRP).
- FRP fiber reinforced plastic
- the present invention relates to a method and an apparatus for decomposing a substance constituting the above-mentioned substance, and a decomposition product.
- the present invention relates to a substance to be decomposed, for example, a polymer resin, metal, wood, animal bone, industrial waste, and the like, in particular, a polymer resin, particularly fiber-reinforced plastic (hereinafter referred to as FRP).
- FRP fiber-reinforced plastic
- the present invention provides a method and an apparatus for decomposing a polymer resin constituting (i), and a decomposition product. In particular, it provides technologies that facilitate disposal and reuse of discarded FRP products after they become waste.
- FRP has been used as a hull for auto parts, fishing boats, leisure boats, etc. due to its property of being extremely rot-resistant and resistant to deterioration.
- this advantage is a disadvantage, and even after abandoned vessels, it does not rot and return to nature like a wooden boat.
- glass fiber when glass fiber is included as a filler, only the glass fiber portion remains in the form of a residue even after incineration and becomes dusty, and scatters around to destroy the environment, They can fuse to the wall and shorten the life of the incinerator.
- carbon fibers when carbon fibers are included, the heat of combustion of the carbon fibers may damage the walls of the incinerator.
- Patent Document 1 JP-A-8-217907
- Patent Document 2 JP-A-8-311237
- Patent Document 3 JP-A-8-337677
- the present invention provides a large number of other FRP molded articles, such as ships, helmets, automobile parts, motorcycle parts, etc., which are mainly composed of FRP having a polymer resin part.
- the purpose of this method is to eliminate the problem of the treatment method, treatment equipment, and product after treatment.
- the mixing ratio Xi of the halogen compound to water is 0 ⁇ Xi ⁇ approximately 0.5 or approximately 0.5 ⁇ Xi ⁇ l.0, and the temperature T force is 0 ° C ⁇ T ⁇ 200 °.
- the treatment is performed in a pressure vessel using a mixed gas of a halogen compound and water, which is C.
- the mixing ratio Xi of the halogen compound to water is 0 ⁇ Xi ⁇ approximately 0.5 or approximately 0.5 ⁇ Xi ⁇ l.0, and the temperature T force is 0 ° C ⁇ T ⁇ 500 °.
- the process is performed in a pressure vessel using a mixed gas of a halogenated compound and water having a pressure P of 0.1MPa ⁇ P ⁇ 0.5MPa at C.
- methylene chloride or methyl chloride is used as the halogenated compound.
- the substance in the method and apparatus for decomposing a substance described above, is a polymer resin. According to the present invention, in the method and the apparatus for decomposing a substance described above, the substance is wood.
- the treatment method and the treatment device, and the mechanical separation treatment method and the separation treatment device are simultaneously combined to form the polymer resin. And a filler.
- the polymer resin / filler composite material treated by the treatment method and the treatment apparatus is used in the next step! Then, the resin is mechanically separated to separate the polymer resin and the filler.
- vibration is applied to the polymer resin / filler composite material after the treatment to separate the polymer resin after the treatment from the filler composite material.
- the remaining polymer resin and the filled composite material are shredded by a cutter to crush and cut.
- the mixing ratio Xi of the halogen compound to water is 0 ⁇ Xi ⁇ approximately 0.5 or approximately 0.5 ⁇ Xi ⁇ l.0, and the temperature T force is 0 ° C ⁇ T ⁇ 500 °. It is produced by treating a polymer resin in a pressure vessel using a mixed gas of C, a halogen compound and water.
- the composition ratio Xi of the halogen compound to water is 0 ⁇ Xi ⁇ approximately 0.5 or approximately 0.5 ⁇ Xi ⁇ l.0, and the temperature T force is 0 ° C ⁇ T ⁇ 500 °. It is produced by treating a substance in a pressure vessel using a mixed gas of a halogenated compound and water with a pressure P of 0.1MPa ⁇ P ⁇ 0.5MPa at C.
- the decomposition product is produced by using methylene chloride or methyl chloride as the halogenated compound.
- the polymer resin part constituting FRP etc. can be treated in the gaseous phase of a halogen compound and water, the subsequent separation of the glass fiber and the polymer resin part is possible. Can be easily done.
- the cycle of recovery and reuse of the halogenated compound after the treatment can be easily performed.
- FIG. 1 is a side view showing an apparatus for decomposing a polymer resin.
- FIG. 2 is a plan view of the same.
- FIG. 3 is a side view showing a pressure vessel main body 1 and a liquid tank 2.
- FIG. 4 is a front view of the same.
- FIG. 1 is a side view showing an apparatus for decomposing a polymer resin
- Figure 2 is also a plan view
- FIG. 3 is a side view showing the pressure vessel body 1 and the liquid tank 2,
- FIG. 4 is a front view of the same.
- Two pressure vessel main bodies 1 are arranged in series facing each other, and a middle bogie 14 is movably arranged inside either of the two.
- the two pressure vessel bodies 1 can be used both as pressure vessels for processing, and one can also be used as a pressure vessel for drying after processing.
- a loading pallet 15 is placed on the middle cart 14, and FRP waste as a polymer resin portion, which is a processed material, is loaded and loaded in the loading pallet 15.
- a carriage pulling device 17 is provided, and a drive mechanism for forcibly moving the middle truck 14 is provided.
- Reference numeral 16 denotes a residue tank, which is a container for treating residues and the like accumulated in the pressure vessel body 1.
- Reference numeral 18 denotes a control panel for operating the polymer resin decomposition processing apparatus.
- a liquid tank 2 is attached to the side of the pressure vessel main body 1, and methylene chloride as a halogen compound, a mixed liquid of water, a surfactant, and the like are arranged in the liquid tank 2.
- You. 3 is a cryogenic condenser
- 4 is a condenser
- 5 is a deicing condenser
- 6 is a cartridge tank.
- 7 is a vacuum pump for evacuating the inside of the pressure vessel body 1
- 8 is a cooling tower for returning methylene chloride, which is a gaseous hydride, to a liquid phase
- 9 is a cushion tank
- 10 is a refrigerator. It is.
- a cooling water pump 11, a cooling water tank 12, and a baby compressor 13 are additionally provided.
- the FRP waste which is the processed material
- the loading pallet 15 on the middle truck 14 is placed inside the pressure vessel body 1 together with the middle truck 14. It is charged and evacuated by the vacuum pump 7, and then the mixed liquid of methylene chloride and water, which is a halogenated compound, is heated to a gaseous phase.
- the FRP is treated using a mixture of a halogen compound and water with a temperature T force of 0 ° C ⁇ T ⁇ 500 ° C and a pressure P of 0.1MPa ⁇ P ⁇ 0.5MPa. Will be It is.
- the treatment time is 8 to 14 hours, during which the gas phase of a mixture of methylene chloride and water acts on the polymer resin portion of the FRP, and as described later, the polymer resin portion It breaks down or changes the composition.
- the present invention is to treat various polymer resins constituting FRP with halogenated conjugates, in particular, a methylene chloride solvent vapor in a gaseous phase.
- halogenated conjugates in particular, a methylene chloride solvent vapor in a gaseous phase.
- the separation of the methylene chloride solution was facilitated after the treatment because the treatment was not performed by immersion in water.
- Unsaturated polyester A polyester resin (unsaturated polyester, styrene monomer) sold by Nippon Special Paint was mixed with the same curing agent (polyester resin curing agent) at a ratio of 100: 1, and the mixture was heated at 40 °. C—24hr—cured in air.
- Sample 2 Waste FRP material (jet ski): An appropriate amount of FRP material cut out of discarded jet ski.
- the sample was processed using a small-sized methylene chloride processing apparatus.
- the main reaction conditions were a temperature of 80-83 ° C, an internal pressure of 3-3.5atm, and a time of 13-18hr.
- Methylene chloride is represented in the formula as CH2 C12.
- methyl chloride can be used in addition to methylene chloride.
- a force using a methylene chloride solution as the halogenated compound or another halogen compound may be used.
- FIG. 5 is a drawing showing a difference between an untreated product and a treated product when the retention time of the expanded pyrogram is in the range of 0.00—11 OOmin.
- Figure 6 shows the retention time of the expanded pyrogram in the range of 11.00—22.OOmin. Drawing showing the difference between untreated and treated products
- Figure 7 is a drawing showing the difference between the unprocessed product and the processed product in the range of retention time of 22.00-33.OOmin of the expanded pyrogram.
- Samples 2 and 3 had the appearance in which the glass fiber was peeled off from the resin by the methylene chloride treatment, and the force density was reduced.
- the detection amount of styrene monomer and styrene trimer and dimer generated by thermal decomposition is larger after treatment than before treatment.
- the detection amount of the styrene oligomer is smaller after the treatment than before the treatment.
- methyl chloride treatment such as decomposition of cross-linked styrene chain ( ⁇ a, b above) and decomposition of MMA chain ( ⁇ c) This changes the molecular structure of the unsaturated polyester.
- PE (LD) and PP (syn) showed separation of some components of the sample and fusion of pellets depending on the operating conditions.
- PP (HD) or PP (iso) there was no change in PP (HD) or PP (iso). Therefore, it is considered that even with the same iridani species, the lower the crystallinity, the more easily plasticizing deformation due to MC treatment occurs.
- PVC, PVA, and PEG which were powders before the treatment, were fused by the treatment and became a rough state. In addition, PEG was white before the reaction but turned yellow, indicating that MC was impregnated.
- a mixed liquid of halogen compound and water is heated and As a result of long-term continuous action on the treated waste in the gaseous phase, the state of the polymer resin portion changes to a state in which the state force entangled with the glass fibers constituting the FRP easily peels off.
- the polymer resin is weakened, and the polymer resin is easily peeled off from the glass fiber surface.
- the FRP in the vapor of halogenated material or in the water vapor containing halogenated material, the strength of the material is reduced at the bonding surface between the fiber material and the polymer resin, and the fiber material and the polymer resin are removed. Are easily separated. As a result, the strength of the FRP is sharply reduced, and processing such as crushing becomes easy. Since such a phenomenon occurs along the fiber surface, the minimum necessary processing is performed to separate the polymer resin and the fiber material, and the labor for the FRP processing can be saved. is there.
- the crosslinked state is loosened, if vibration is applied to the FRP waste after the treatment, the glass fiber force portion and the polymer resin portion are easily separated.
- the treated FRP waste is simply passed through a vibrating sieve and only the glass fiber remains on the sieve line. A state occurs.
- the FRP waste in a state where separation is not possible only by the vibrating sieve as described above is forcibly vibrated by the vibrator. As a result, forcible separation of the glass fiber and the polymer resin portion is performed. Due to such vibration, the FRP waste becomes a hard lump and swelling state.
- this cutting step separates the glass fiber and the polymer resin portion, and the subsequent treatment of FRP waste can be easily performed in a separated state.
- Glass fiber can be separately taken out, melted and made into a glassy state and reused.
- the separated polymer resin portion can be melted and reused, or incinerated by itself. Fuel It is possible to do.
- Methylene chloride as a halogenated compound used in the present polymer resin decomposition treatment apparatus can be returned to the original methylene chloride state by cooling.
- the treated methyl chloride will not be discharged outside.
- a cycle of recovering the halogenated product used in several treatments, reprocessing and returning to the halogenated product is performed.
- the treatment of polymer resin is mainly disclosed as a specific material, but various substances can be applied as the substance to be treated.
- One example is wood, but it can also be used as a device for treating metals such as iron, animal bones and various other wastes.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Polymers & Plastics (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004100379A JP2005281600A (ja) | 2004-03-30 | 2004-03-30 | 高分子樹脂の分解処理方法及び分解処理装置並びに分解処理生成物 |
JP2004-100379 | 2004-03-30 |
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WO2005100462A1 true WO2005100462A1 (ja) | 2005-10-27 |
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PCT/JP2004/017754 WO2005100462A1 (ja) | 2004-03-30 | 2004-11-30 | 物質の分解処理方法及び分解処理装置並びに分解処理生成物 |
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JP (1) | JP2005281600A (ja) |
WO (1) | WO2005100462A1 (ja) |
Families Citing this family (1)
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JP4706615B2 (ja) * | 2006-10-26 | 2011-06-22 | パナソニック電工株式会社 | プラスチックからの無機物の回収方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996023607A1 (fr) * | 1995-02-02 | 1996-08-08 | Eiwa Co., Ltd. | Procede et equipement pour traiter des materiaux tels que des dechets |
JP2000093785A (ja) * | 1998-09-21 | 2000-04-04 | Eiwa:Kk | 木材・廃棄物・金属等の気相処理装置 |
JP2000273493A (ja) * | 1999-03-24 | 2000-10-03 | Eiwa:Kk | ハロゲン化有機物又はアルコール類と水との加圧下の混合物及びその混合物による物質の処理方法 |
JP2002307046A (ja) * | 2001-04-15 | 2002-10-22 | Minoru Miwa | 繊維強化プラスチック廃棄物の処理方法および該方法により回収された強化繊維の再利用方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11140224A (ja) * | 1997-11-07 | 1999-05-25 | Hitachi Ltd | 熱硬化性廃プラスチック処理方法 |
JP3994660B2 (ja) * | 2000-12-22 | 2007-10-24 | 日立化成工業株式会社 | 不飽和ポリエステル樹脂硬化物用分解処理液、該処理液を用いた不飽和ポリエステル樹脂硬化物の処理方法及び複合材料の分離方法 |
EP1501634A2 (de) * | 2002-05-04 | 2005-02-02 | Christoph Muther | Verfahren und vorrichtung zum behandeln von stoffen oder verbundstoffen und gemischen |
-
2004
- 2004-03-30 JP JP2004100379A patent/JP2005281600A/ja active Pending
- 2004-11-30 WO PCT/JP2004/017754 patent/WO2005100462A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996023607A1 (fr) * | 1995-02-02 | 1996-08-08 | Eiwa Co., Ltd. | Procede et equipement pour traiter des materiaux tels que des dechets |
JP2000093785A (ja) * | 1998-09-21 | 2000-04-04 | Eiwa:Kk | 木材・廃棄物・金属等の気相処理装置 |
JP2000273493A (ja) * | 1999-03-24 | 2000-10-03 | Eiwa:Kk | ハロゲン化有機物又はアルコール類と水との加圧下の混合物及びその混合物による物質の処理方法 |
JP2002307046A (ja) * | 2001-04-15 | 2002-10-22 | Minoru Miwa | 繊維強化プラスチック廃棄物の処理方法および該方法により回収された強化繊維の再利用方法 |
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