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WO2003026745A1 - Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif - Google Patents

Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif Download PDF

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Publication number
WO2003026745A1
WO2003026745A1 PCT/JP2001/008172 JP0108172W WO03026745A1 WO 2003026745 A1 WO2003026745 A1 WO 2003026745A1 JP 0108172 W JP0108172 W JP 0108172W WO 03026745 A1 WO03026745 A1 WO 03026745A1
Authority
WO
WIPO (PCT)
Prior art keywords
emulsified
electric resistance
ultrasonic emulsifier
polychlorinated biphenyl
melting furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2001/008172
Other languages
English (en)
Japanese (ja)
Inventor
Hideo Katayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anzai Setsu
Original Assignee
Anzai Setsu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anzai Setsu filed Critical Anzai Setsu
Priority to PCT/JP2001/008172 priority Critical patent/WO2003026745A1/fr
Publication of WO2003026745A1 publication Critical patent/WO2003026745A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/32—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by treatment in molten chemical reagent, e.g. salts or metals
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • B01F23/411—Emulsifying using electrical or magnetic fields, heat or vibrations
    • B01F23/4111—Emulsifying using electrical or magnetic fields, heat or vibrations using vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/49—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/002—Use of waste materials, e.g. slags
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/22—Organic substances containing halogen
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/10—Apparatus specially adapted for treating harmful chemical agents; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00—Nature of the non-vitreous component
    • C03C2214/14—Waste material, e.g. to be disposed of
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/02—Ohmic resistance heating
    • F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated

Definitions

  • the present invention belongs to the technical field of a method and an apparatus for detoxifying polychlorinated biphenyl (PCB).
  • PCB to be treated in the present invention refers to a liquid such as oil alone or a solvent containing PCB alone or PCB. Background art
  • PCBs are physically and logically stable, and have excellent heat resistance and electrical insulation properties. It has been widely used in industrial products such as oils, lubricants and inks.
  • PCB production has been discontinued since these PCB-containing substances proved to be harmful to the human body and environmental pollutants that are difficult to decompose in nature. Used PCB-containing substances have been recovered, or products containing PCBs that have been stored are desired to be detoxified.
  • Japanese Patent Application Laid-Open No. 7-241352 proposes a method in which a PCB is heated to a temperature higher than or equal to ⁇ ⁇ ⁇ and then added to a metal refining furnace to heat the PC ⁇ . ing. '
  • PCBs are chemically stable and nonflammable, and if they are forcibly pyrolyzed, toxic and toxic substances such as chlorine and sulfide will be generated. Les is in reality a possible treatment by the high-temperature combustion, 0
  • An object of the present invention is to solve the conventional problems described above, and an object of the present invention is to provide a method and an apparatus for detoxifying polychlorinated biphenyls, which are inexpensive in equipment and processing cost and generate less harmful substances. Disclosure of the invention
  • the method for detoxifying polychlorinated biphenyls comprises mixing a polychlorinated biphenyl solution and alumina oxide with silicon dioxide into an ultrasonic emulsifier, emulsifying the mixture, and emulsifying the milk.
  • the emulsified hybrid material is dropped onto the molten metal in the electric resistance melting furnace, and the temperature is set at 150 ° C. to 200 ° C. It is characterized by being melted and processed into a glass at the temperature of C.
  • the present inventor has found through experiments that the polychlorinated biphenyl liquid and alumina oxide silicon dioxide can be emulsified by ultrasonic energy to form a kind of clay, and this is known as an electric resistance melting furnace. It has been demonstrated that it can be melted by using.
  • the detoxifying device for the polychlorinated biphenyls of the present invention is connected to the polychlorinated biphenyl liquid storage tank 1 connected to the ultrasonic emulsifier 2 and connected to the ultrasonic emulsifier via a mouthpiece kiln 3.
  • Alumina oxide '' silicon dioxide storage tank 4 connected to ultrasonic emulsifier via monitoring section 8 and electric resistance measuring section 9, and ultrasonic milk tank
  • a feed pack tube 22 for feeding the resulting emulsified hybrid material back to an ultrasonic mixer, and measuring the milky state of the emulsified hybrid material by the electric resistance measuring unit and feeding the incomplete emulsified hybrid material to the feed pack.
  • FIG. 1 is a configuration diagram showing one embodiment of a detoxifying apparatus for polychlorinated phenyl according to the present invention.
  • the storage tank 1 for the polychloride biphenyl liquid is connected to an ultrasonic emulsifier 2 via a solenoid valve VI, a pipe 20 and a pump P1, and a mixture of acid alumina and diacid sodium.
  • the storage tank 4 is connected to the ultrasonic emulsifier 2 via a solenoid valve V4, a rotary kiln 3, a pipe 23, and a solenoid valve V9.
  • a polychlorinated biphenyl liquid and a mixed material of alumina oxide and silicon dioxide are emulsified and mixed with ultrasonic energy, and the emulsified mixed material is supplied by a solenoid valve V2 and a pump P2.
  • Piping 21, monitoring unit 8, electric resistance measuring unit 9, solenoid valve V 5 are sent to electric resistance melting furnace 5, where the melting temperature is 1 500 to 200 0 Melted at 0, Gala The material is in a state where it is molten.
  • the vitreous molten material is discharged from the discharge part 11 to the outside of the electric resistance melting furnace 5 and the molten glass material is hardened, so that the polychlorinated biphenyl is converted into an alumina oxide / dioxide material. Glass material.
  • the monitoring unit 8 connected to the pipe 21 has a glass window to check the emulsified state of the polychloride biphenyl material emulsified and mixed by the ultrasonic emulsifier 2 and the alumina oxide ' Can be.
  • the electric resistance measurement unit 9 automatically measures the electric resistance value of the mixed material and sends this signal to the automatic control unit 10. If the electric resistance value is high (the emulsification degree is low), the piping 2 The solenoid valve V5 provided in 1 is closed by the automatic control unit 10 to prevent the imperfect mixed material from entering the electric resistance melting furnace 5, and at the same time, the solenoid valve V6 is opened and the pump is opened. The incomplete hybrid material is fed into the ultrasonic emulsifier 2 via the feed pack tube 22 by P 2.
  • Exhaust gas from the electric resistance melting furnace 5 is sent to an exhaust chamber 7 by an exhaust fan F1 provided in an exhaust pipe 24, and is exhausted by an exhaust gas treatment filter and a catalyst inside the exhaust chamber 7, and The exhaust gas is exhausted from the chimney 12 into the space as exhaust gas that does not pollute the environment as much as possible.
  • a sensor group 6 provided in the exhaust pipe 25 detects harmful gases contained in the exhaust gas from the exhaust chamber 7, and when the gas exceeds the reference value, the automatic control unit 13 operates to activate the fan F 1. Stop, close the solenoid valves V7 and V8, stop the air inside the air chamber 7 and hold it inside the exhaust chamber 7 for an arbitrary period of time. When the value of the sensor group 6 becomes equal to or less than the reference value, the solenoid valves V7 and V8 are opened by the automatic control unit 13, and the exhaust fan F1 operates to perform normal exhaust.
  • FIG. 1 is a configuration diagram showing one embodiment of a polychlorinated biphenyl detoxifying apparatus of the present invention.
  • FIG. 2 shows an example of an electric resistance melting furnace according to the present invention.
  • FIG. 2 (A) is a longitudinal sectional view
  • FIG. 2 (B) is a sectional view taken along line BB of FIG. 2 (A)
  • FIG. FIG. 3 is a diagram showing a circuit.
  • Fig. 1 shows an example of the electric resistance type melting furnace 5 of Fig. 1;
  • Fig. 1 (A) is a longitudinal sectional view
  • Fig. 1 (B) is a sectional view taken along line BB of Fig. 1 (A)
  • Fig. 1 (C) shows an electric circuit.
  • FIG. 1 In FIGS. (A) and (B), the metal melt 31 below the emulsified hybrid 30 is obtained by melting metal waste before the emulsified hybrid 30 is melted.
  • the emulsified hybrid material 30 is deposited on the upper surface of the metal melt 31.
  • two graphite electrodes 33a, 33b having a rectangular cross section are arranged so as to be able to move up and down through the ceiling 32, and the outer peripheral surfaces of the graphite electrodes 33a, 33b are The tip is buried in a metal melt 31, and the emulsified hybrid material 30 is dropped on the metal melt 31.
  • a power supply cape notch 34a, 34b is connected to the black mouth and the electrodes 33a, 33b.
  • the power supply cape clamps 34a and 34b are connected to the single-phase power supply terminal 35b.35c on the secondary side of the power transformer 35, and are connected to the primary side of the power transformer 35.
  • the connection terminals U, B, and W on the side 35a are connected to a three-phase power supply.
  • the electrode according to this example has the advantage of increasing the structural strength of each electrode by covering the outer peripheral surface of graphite material with molybdenum M, and has the advantage that it can be used up to about 2600 in terms of temperature. Even if the hybrid material or the waste metal piece hits the electrode, the electrode is less likely to be damaged, and the processing cost can be reduced accordingly. Then, the melted emulsified hybrid material 30 is formed into a harmless glass and discharged to the outside, and the harmless metals introduced into the melting furnace 5 are melted to form an alloy material and discharged to the outside.
  • a polychlorinated biphenyl liquid is mixed with a powder material of alumina oxide / silicon dioxide, emulsified and mixed to form a kind of clay. Since this emulsified hybrid material is instantaneously melted at a high temperature in an electric resistance melting furnace, the emulsified hybrid material becomes glassy with alumina oxide and silicon dioxide. The harmful gas components in the exhaust gas will be below the standard due to the filter and catalyst inside the safety chamber.
  • the glassy material is chemically stable and detoxified, so that it can be used for road materials and the like.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

L'invention concerne un procédé permettant de rendre du biphényle polychloriné inoffensif. Ce procédé consiste à alimenter un liquide renfermant du biphényle polychloriné et un mélange d'un oxyde d'aluminium et de dioxyde de silicium dans un émulsionneur ultrasonore (2), à effectuer une émulsification, à permettre au mélange émulsifié obtenu de tomber dans un métal en fusion dans un four de fusion de type à résistance électrique (5) et à faire fondre ce mélange à une température comprise entre 1500° et 2000°, convertissant ainsi celui-ci en matériau à l'état vitreux. Le procédé peut être mis en oeuvre pour rendre du biphényle polychloriné inoffensif à de faibles coûts d'installation et d'exploitation et à génération réduite de substances dangereuses.
PCT/JP2001/008172 2001-09-20 2001-09-20 Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif Ceased WO2003026745A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/008172 WO2003026745A1 (fr) 2001-09-20 2001-09-20 Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/008172 WO2003026745A1 (fr) 2001-09-20 2001-09-20 Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif

Publications (1)

Publication Number Publication Date
WO2003026745A1 true WO2003026745A1 (fr) 2003-04-03

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PCT/JP2001/008172 Ceased WO2003026745A1 (fr) 2001-09-20 2001-09-20 Procede et appareil permettant de rendre du biphenyle polychlorine inoffensif

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7211038B2 (en) * 2001-09-25 2007-05-01 Geosafe Corporation Methods for melting of materials to be treated

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166172A (ja) * 1990-10-31 1992-06-12 Taiho Sangyo Kk 液状有機ハロゲン化物の収容器の処理方法
US6061383A (en) * 1999-07-26 2000-05-09 Setsu Anzai Method and apparatus for tuning polychlorinated biphenyl to harmless
JP2001104512A (ja) * 1999-10-05 2001-04-17 Yamada Sangyo Kk ハロゲン化合物の分解処理方法
JP2001293104A (ja) * 2000-03-02 2001-10-23 Ryoji Watabe ポリ塩化ビフェニルオイルの資源化方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166172A (ja) * 1990-10-31 1992-06-12 Taiho Sangyo Kk 液状有機ハロゲン化物の収容器の処理方法
US6061383A (en) * 1999-07-26 2000-05-09 Setsu Anzai Method and apparatus for tuning polychlorinated biphenyl to harmless
JP2001104512A (ja) * 1999-10-05 2001-04-17 Yamada Sangyo Kk ハロゲン化合物の分解処理方法
JP2001293104A (ja) * 2000-03-02 2001-10-23 Ryoji Watabe ポリ塩化ビフェニルオイルの資源化方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7211038B2 (en) * 2001-09-25 2007-05-01 Geosafe Corporation Methods for melting of materials to be treated
US7429239B2 (en) 2001-09-25 2008-09-30 Geosafe Corporation Methods for melting of materials to be treated

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