WO2004069341A1 - ポリ塩化ビフェニルの無害化処理方法及び無害化処理装置 - Google Patents
ポリ塩化ビフェニルの無害化処理方法及び無害化処理装置 Download PDFInfo
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- WO2004069341A1 WO2004069341A1 PCT/JP2003/014433 JP0314433W WO2004069341A1 WO 2004069341 A1 WO2004069341 A1 WO 2004069341A1 JP 0314433 W JP0314433 W JP 0314433W WO 2004069341 A1 WO2004069341 A1 WO 2004069341A1
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- metal phthalocyanine
- exhaust gas
- oxygen supply
- oxidation step
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
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- 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
- A62D3/38—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by oxidation; by combustion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/06—Baffles or deflectors for air or combustion products; Flame shields in fire-boxes
-
- 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
- A62D2203/02—Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/30—Halogen; Compounds thereof
- F23J2215/301—Dioxins; Furans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07004—Injecting liquid or solid materials releasing oxygen, e.g. perchlorate, nitrate, peroxide, and chlorate compounds, or appropriate mixtures thereof
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S588/00—Hazardous or toxic waste destruction or containment
- Y10S588/90—Apparatus
Definitions
- the present invention relates to a processing method for decomposing polychlorinated biphenyl (hereinafter, referred to as PCB) into harmless substances, and a processing apparatus for decomposing PCB into harmless substances.
- PCB polychlorinated biphenyl
- PCB Because of its excellent insulating properties and flame retardancy, PCB was mainly used in a wide range of applications as electrical insulating oil, heat carrier, etc. However, because PCBs are very chemically stable, they remain in the environment for a long time after they are released into the environment, harming the human body. For this reason, use is banned as well as production, and products produced in the past are sealed and stored. A large amount of inventory, including those used for secondary products, remains, and there is a risk that PCBs may flow out due to aging of equipment due to long-term storage, and there is a strong demand for harmless treatment. I have.
- PCB is very difficult to detoxify because it is hardly decomposable, but various treatment methods are being studied.
- Japanese Patent Application Laid-Open No. Hei 4-37097 discloses a decomposition method using microorganisms.
- Japanese Patent Application Laid-Open No. 8-141107 discloses a chemical decomposition method. There is also a decomposition method that incinerates with high heat.
- PCB decomposition methods are slow in processing speed and are not suitable for large-scale processing, waste gases contain harmful substances after processing, or require huge costs for equipment. Issues of economic or economic interest.
- PCB has chlorine in its molecular structure, so dioxin is by-produced during the decomposition reaction. It is well known that dioxin is toxic, carcinogenic, and persistent. It can be said that such a treatment method in which dioxin is contained in exhaust gas has a fatal defect.
- an effective method for decomposing and removing dioxin is disclosed in Japanese Patent Application Laid-Open No. 2002-357772 filed by the present applicant.
- the present invention utilizes the technology described in Japanese Patent Application Laid-Open No. 2002-357772 to decompose a PCB into a completely harmless substance, and emits exhaust gas into the atmosphere. Aims to provide a PCB processing method and a PCB processing device that are safe even if the residue is disposed of in the natural environment, and that can be rapidly and inexpensively mass processed using simple equipment. I do. Disclosure of the invention
- a method for detoxifying a PCB to which the present invention is applied is provided with a primary oxidation step of oxidizing polychlorinated biphenyl by combustion, and an exhaust gas containing dioxins generated in the primary oxidation step. And a secondary oxidation step of oxidizing the exhaust gas by contacting a metal phthalocyanine or a metal phthalocyanine derivative and contacting an oxygen supply compound.
- the metal phthalocyanine (M—Pc) is as shown in the following structural formula (1).
- the metal atom M in the formula (1) is at least one kind of metal atom selected from iron, cobalt, copper, nickel, manganese osmium, titanium, molybdenum, and tungsten. Of these, iron, cobalt, copper, and manganese are preferred.
- reaction in the primary oxidation step is as shown in the following reaction formulas (2) and (3).
- PCBs are harmless or can easily be made harmless by the combustion reaction of equation (2).
- combustion oxidation decomposition in the primary oxidation process becomes incomplete, and dioxin is generated by the reaction of reaction formula (3) and mixed into exhaust gas.
- reaction in the secondary oxidation step is as shown in the following reaction formula (4).
- the primary oxidation step is preferably combustion with auxiliary fuel under hydration.
- a solution of the metal phthalocyanine derivative and a solution of the oxygen supply compound are simultaneously brought into contact with the exhaust gas of the primary oxidation step.
- a solution of a metal phthalocyanine derivative is brought into contact with the exhaust gas and then a solution of an oxygen supply compound.
- the oxygen supply compound is at least one compound selected from aqueous hydrogen peroxide, an organic peroxide compound, a persulfate compound, titanic oxides, and perboric acids.
- the solution of the oxygen supply compound is an aqueous solution of aqueous hydrogen peroxide.
- the metal phthalocyanine derivative (M-Pc) used in the solution is as shown in the following structural formula (5).
- the metal atom M in the formula (5) is the same as M in the formula (1).
- Substituent X is hydrogen, carboxyl group, sulfonic acid group, alkyl group, substituted alkyl group, halogen group, nitro group, amino group, thiosinate group, carbonyl chloride group, aldehyde group, carboxamide group , A nitrile group, a hydroxyl group, an alkoxyl group, a phenoxyl group, a sulfonyl chloride group, a sulfonamide group, a thiol group, a chloromethinole group, an alkyl silicon group, a vinyl group, a salt of a sulfonic acid, and a salt of a carboxylic acid. It is a thing.
- These substituents X may be all the same or different from each other.
- a metal phthalocyanine polycarboxylic acid or a metal phthalocyanine polysulfonic acid in which at least two of the substituents are composed of a carboxylic acid group or a sulfonic acid group are preferred.
- metal phthalocyanine tetracanolevonic acid or metal phthalocyanine carboxylic acid in which four or eight of the substituents X in the structural formula (5) have a carboxyl group is particularly preferable.
- the solution of the metal phthalocyanine derivative is most preferably an aqueous solution of iron phthalocyanine tetracarboxylic acid or iron phthalocyanine octacarboxylic acid.
- the solution of the oxygen supply compound is preferably an aqueous solution of hydrogen peroxide.
- the concentration of the solution of the metal phthalocyanine derivative, 1 0- 5 Mo l ZL ⁇ - 1 0- 2 Mo metal is the dioxin in the exhaust gas is 1ZL Futaroshi Anin derivatives preferably ⁇ metal Futaroshia Nin to contact just proportion
- the derivative functions as an oxidation catalyst, but if the amount supplied is less than this, sufficient catalytic effects such as the reaction rate cannot be obtained. Further, if the supply amount is larger than this, the catalytic effect is saturated, and it is meaningless.
- the concentration of the aqueous solution of hydrogen peroxide, it is preferred for giving just enough contact touch hydrogen peroxide water dioxin in the exhaust gas is 10- 3 Mo 1 ZL ⁇ 1 OMO 1 / L.
- the supply amount (pure amount) of the hydrogen peroxide solution is preferably at least 10 times the amount of dioxin in the Q4 exhaust gas. Water peroxide If the supply of raw water is less than this, oxygen becomes insufficient and dioxin will remain in the exhaust gas. Even if the supply is larger than this, it will be economically wasteful because it will be oversupplied.
- a PCB detoxification apparatus to which the present invention is applied to achieve the above object is also provided with a primary incinerator for incinerating oil containing PCB with auxiliary fuel, and a closed system connected to the incinerator. And a secondary oxidation reaction unit connected to a supply source of the metal phthalocyanine derivative solution and a supply source of the oxygen supply compound solution.
- a neutralization reaction unit (see Fig. 2) is added to the secondary oxidation reaction unit to open it to the outside world.
- FIG. 1 is a schematic configuration diagram showing one embodiment of a detoxifying apparatus for polychlorinated biphenyl to which the present invention is applied.
- FIG. 2 is a schematic diagram showing an embodiment of a neutralization reaction unit added to a detoxification apparatus for polychlorinated biphenyl to which the present invention is applied.
- FIG. 3 is a schematic configuration diagram showing another embodiment of the oxidation reaction unit.
- FIG. 4 is a schematic configuration diagram showing still another embodiment of the oxidation reaction unit.
- FIG. 5 is a schematic configuration diagram showing another embodiment of the neutralization reaction unit. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a schematic diagram showing one embodiment of a PCB detoxification apparatus to which the present invention is applied.
- This device is composed of a primary incinerator 10 and a secondary oxidation reaction unit 12, and further connected to a neutralization reaction unit 13 shown in FIG.
- the primary incinerator 10 is a closed system, and a main combustion burner 15 is disposed above the auxiliary combustion burner 14.
- the auxiliary combustion burner 14 is connected to a supply source of heavy oil, which is an auxiliary fuel, so that air is mixed.
- the main combustion burner 15 is connected to a supply source of a mixed suspension of water and oil containing PCB, so that air is mixed and sprayed.
- the uppermost part of the primary incinerator 10 is a primary exhaust stack 16.
- Each oxidant spray nozzle 1 7.2 1 7 2 ⁇ 1 73 '1 7 4 is connected to a source of the aqueous solution of a water solution and hydrogen peroxide of the metal lid port Shiayun derivatives.
- An inclined weir plate 19 i ⁇ 19 2 ⁇ 19 3 is provided between each oxidizing agent spray port.
- a drain 20 is attached to the waste reservoir.
- the secondary exhaust cylinder 18 of the secondary oxidation reaction unit 12 is connected to the suction cylinder 21 of the neutralization reaction unit 13.
- the neutralization reaction unit 13 has a waste liquid reservoir at the bottom and a drain 27 attached thereto. Inside there is a layer of glass wool as a filter 25, on which a shower 24 of aqueous caustic soda solution is mounted, and the top is a final waste cylinder 26 which is open to the atmosphere.
- the fuel oil and air are mixed and ignited in the auxiliary combustion burner 14, while the oil and water of the PCB are mixed, and the air is further mixed by the main combustion burner 15. Spray.
- the oil on the PCB is oxidized and burnt by the heat of combustion of the heavy oil from the auxiliary combustion burner 14, decomposed into water, carbon dioxide gas, and hydrogen chloride, and passes through the primary stack 16.
- the water mixed in the oil of the PCB is decomposed into hydrogen and oxygen, generating an oxyhydrogen flame, producing high temperatures, and increasing the efficiency of decomposition by oxidative combustion.
- some PCBs are oxidized only to dioxin, and dioxin, albeit at a low concentration, escapes into the primary stack 16.
- a small amount of dioxin dust mixed with water, carbon dioxide and hydrogen chloride is sent to the secondary oxidation reaction unit 12 via the primary exhaust cylinder 16.
- the secondary oxidation reaction unit 12 there is an oxidizer spray port; ⁇ , 1 7 2 ⁇ 1 7 3 * 1 7 4 force, aqueous solution and aqueous hydrogen peroxide al metal lid port Shianin derivative is sprayed mist is filled.
- the dioxin dust that is sent into it comes into contact with the metal phthalocyanine derivative and hydrogen peroxide at the same time.
- the dioxin dust ascends due to the residual combustion heat from the primary exhaust stack 16, and rises in an updraft manner. Increase the probability of contact with aqueous hydrogen peroxide solution.
- the oxygen supply capability of the hydrogen peroxide solution is added to the oxidation catalyst function of the high-speed reaction, which is a characteristic of the artificial enzyme of the metal phthalocyanine derivative. Disassemble. Then, it is discharged from the secondary exhaust pipe 18 together with the water, carbon dioxide gas, hydrogen chloride, the aqueous solution of the metal phthalocyanine derivative and the aqueous hydrogen peroxide solution sent from the primary exhaust pipe 16. Some of the water drops and collects in the lowermost waste liquid reservoir. The metal phthalocyanine derivative in the aqueous solution can be recovered and reused because the pH of the aqueous solution is lowered by hydrogen chloride.
- Water, carbon dioxide, and hydrogen chloride discharged from the secondary exhaust stack 18 are sent into the neutralization reaction unit 13 through the suction pipe 21 and supplied from the shower 24. Hydrogen chloride is captured and neutralized by the aqueous solution of caustic soda that has permeated the filter 25, and much of the water is collected in the waste liquid reservoir, collected from the drain 27, and can be safely drained. Water and carbon dioxide are released into the atmosphere from the final waste cylinder 26.
- FIG. 3 shows a secondary oxidation reaction unit 22 that can be used in the PCB detoxification treatment apparatus of the present invention, and is another embodiment that replaces the secondary oxidation reaction unit 12 shown in FIG. is there.
- the secondary oxidation reaction cut 22 is connected to the primary incinerator 10 by the primary exhaust stack 16.
- the bottom is a waste reservoir with a drain 20.
- a filter 29 of a nonflammable fibrous layer is provided at the center, and a shower 28 of an aqueous solution of a metal phthalocyanine derivative and an aqueous solution of hydrogen peroxide is attached.
- FIG. 4 shows a secondary oxidation reaction unit 32 which can also be used in the PCB detoxification apparatus of the present invention, and is another embodiment replacing the secondary oxidation reaction unit 12 shown in FIG. is there.
- the secondary oxidation reaction unit 32 is connected to the primary incinerator 10 by the primary exhaust stack 16.
- the bottom is a waste reservoir with a drain 20.
- Central filter incombustible fibrous layer 3 0 i ⁇ 3 0 2 ⁇ 3 0 3 '3 0 4 is provided.
- Filter 3 0 ⁇ and 3 0 2 ⁇ b 3 1 and 3 1 2 metal phthalocyanine derivative solution is attached between the between Contact Yopi filter 3 0 3 3 0 4 with a filter 3 0 2 3 0 3 with During and above the filter 3 0 4 spray nozzle of hydrogen peroxide aqueous solution 3 3! And 3 3 2 are installed.
- Exhaust gas containing dioxin Chirihai from the primary exhaust pipe 1 6 is in contact with the metal phthalocyanine derivative while passing through the filter 3 0! ⁇ 3 0 2, peroxide while passing through the filter 3 0 2 ⁇ 3 0 3 is dioxin is rapidly oxidized in contact with the hydrogen water, further filter 3 0 3 ⁇ 3 0 4 in contact with the metallic lid port Shianin derivative during passage through the peracid hydrogen after passing through the filter 3 0 4 The substance comes into contact with water and is oxidized and completely decomposed.
- FIG. 5 shows another embodiment of the neutralization reaction cut.
- This neutralization reaction unit 23 sends the exhaust gas containing hydrogen chloride from the secondary exhaust stack 18 into the alkaline aqueous solution 35 with the fan 34 to bubble, captures and neutralizes it, and drains it from the drain 27. To be collected.
- a mixture was prepared by mixing 75% by weight of vinyl chloride, 15% by weight of miscellaneous plastics, 4% of solid waste, 3% of chloroform, and 3% of benzene. This was supplied to the main combustion burner of a small experimental furnace simulating the primary incinerator 10 shown in Fig. 1, and was burned using heavy oil as an auxiliary fuel. Dioxin in the exhaust gas produced by the combustion was 4 0 0 0-6 0 0 0 nanograms ZN m 3 (weight per cubic meter under standard conditions of 0 ° C 1 atm).
- the concentration of dioxin in the exhaust gas discharged from the exhaust port of the experimental reactor was examined in the same manner as in Experiment 1, except that a 0.02% aqueous solution of iron phthalocyanine cyanine tetracarboxylic acid was used as the aqueous solution of the metal phthalocyanine derivative.
- the result was 4 nanograms ZNm 3 .
- the dioxin concentration of the exhaust gas discharged from the exhaust port of the experimental reactor was examined in the same manner as in Experimental Example 1 except that a 0.02% aqueous solution of manganese phthalocyanine disulfonic acid was used as the aqueous solution of the metal phthalocyanine derivative. . As a result, was 0.5 Nanoguramuno Nm 3.
- the amount of dioxin generated in Experiments 1 to 3 is significantly lower than the current dioxin control level (5 nanograms ZNm 3 ) in the exhaust gas from incinerators.
- PCBs can be quickly and efficiently decomposed into harmless substances.
- the problems of dioxin contained in the exhaust gas and residues or the long time required for the decomposition process could be completely eliminated.
- the device for detoxifying PCB to which the present invention is applied is a device which can efficiently carry out the method for detoxifying PCB of the present invention while being a simple device.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/487,608 US7196240B2 (en) | 2003-02-10 | 2003-11-13 | Method and equipment for making polychlorobiphenyl nontoxic |
JP2004567899A JPWO2004069341A1 (ja) | 2003-02-10 | 2003-11-13 | ポリ塩化ビフェニルの無害化処理方法及び無害化処理装置 |
AU2003303898A AU2003303898A1 (en) | 2003-02-10 | 2003-11-13 | Method of detoxifying polybiphenyl chloride and detoxification apparatus |
EP03815743A EP1595580A1 (en) | 2003-02-10 | 2003-11-13 | Method of detoxifying polybiphenyl chloride and detoxification apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-72802 | 2003-02-10 | ||
JP2003072802 | 2003-02-10 |
Publications (1)
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WO2004069341A1 true WO2004069341A1 (ja) | 2004-08-19 |
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PCT/JP2003/014433 WO2004069341A1 (ja) | 2003-02-10 | 2003-11-13 | ポリ塩化ビフェニルの無害化処理方法及び無害化処理装置 |
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US (1) | US7196240B2 (ja) |
EP (1) | EP1595580A1 (ja) |
JP (1) | JPWO2004069341A1 (ja) |
AU (1) | AU2003303898A1 (ja) |
WO (1) | WO2004069341A1 (ja) |
Cited By (2)
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JP2014124624A (ja) * | 2012-12-27 | 2014-07-07 | Kansai Electric Power Co Inc:The | 低濃度pcb及び汚染土壌の処理方法 |
CN110220186A (zh) * | 2019-06-12 | 2019-09-10 | 山东洲星生物技术有限公司 | 一种循环流化床锅炉的助燃方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102005055550A1 (de) * | 2005-11-18 | 2007-05-24 | Merkl, Rupert, Dipl.-Ing. | Vorrichtung und Verfahren zur Reinigung der Abgase in Heizungsanlagen unter gleichzeitiger Wärmerückgewinnung und Staubentfernung |
CN104829651B (zh) * | 2015-04-30 | 2017-11-17 | 江苏大学 | 一种锰酞菁衍生物及其合成方法和用途 |
CN109268844A (zh) * | 2018-09-07 | 2019-01-25 | 安徽普生源生物科技有限公司 | 一种用于化工车间的化学废气吸集燃烧排放设备 |
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US4950309A (en) * | 1987-10-07 | 1990-08-21 | Dynecology Incorporated | Process for the conversion of toxic organic substances to useful products |
JPH1137440A (ja) * | 1997-07-22 | 1999-02-12 | Nobuyuki Yamaki | Pcbの燃焼処理方法及び燃焼処理装置 |
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JP2002115835A (ja) * | 2000-10-06 | 2002-04-19 | Nakanishi Giken:Kk | 有機塩素化合物分解方法 |
JP2002168430A (ja) * | 2000-09-25 | 2002-06-14 | Nkk Corp | 廃棄物処理装置及び処理方法 |
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US5074890A (en) * | 1987-10-07 | 1991-12-24 | Dynecology, Incorporated | Process for the thermal decomposition of toxic refractory organic substances |
US4869731A (en) * | 1987-10-07 | 1989-09-26 | Dynecology, Incorporated | Process for the thermal decomposition of toxic refractory organic substances |
US5345032A (en) * | 1988-05-09 | 1994-09-06 | The Public Health Laboratory Service Board | Use of metal chelate complexes in dehalogenation |
JP2967950B2 (ja) | 1991-06-19 | 1999-10-25 | 東京電力株式会社 | Pcbの分解方法 |
FR2716676B1 (fr) * | 1994-02-28 | 1996-04-05 | Elf Aquitaine | Procédé de décomposition oxydative de composés organiques présents dans des effluents aqueux. |
JPH08141107A (ja) | 1994-11-15 | 1996-06-04 | Ebara Corp | ハロゲン化有機化合物の分解方法 |
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2003
- 2003-11-13 WO PCT/JP2003/014433 patent/WO2004069341A1/ja not_active Application Discontinuation
- 2003-11-13 EP EP03815743A patent/EP1595580A1/en not_active Withdrawn
- 2003-11-13 US US10/487,608 patent/US7196240B2/en not_active Expired - Fee Related
- 2003-11-13 AU AU2003303898A patent/AU2003303898A1/en not_active Abandoned
- 2003-11-13 JP JP2004567899A patent/JPWO2004069341A1/ja active Pending
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US4950309A (en) * | 1987-10-07 | 1990-08-21 | Dynecology Incorporated | Process for the conversion of toxic organic substances to useful products |
JPH1137440A (ja) * | 1997-07-22 | 1999-02-12 | Nobuyuki Yamaki | Pcbの燃焼処理方法及び燃焼処理装置 |
JP2002035772A (ja) * | 2000-07-26 | 2002-02-05 | Ueda Seni Kagaku Shinkokai | 効果的なダイオキシン類の除去方法と関連装置 |
JP2002168430A (ja) * | 2000-09-25 | 2002-06-14 | Nkk Corp | 廃棄物処理装置及び処理方法 |
JP2002115835A (ja) * | 2000-10-06 | 2002-04-19 | Nakanishi Giken:Kk | 有機塩素化合物分解方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014124624A (ja) * | 2012-12-27 | 2014-07-07 | Kansai Electric Power Co Inc:The | 低濃度pcb及び汚染土壌の処理方法 |
CN110220186A (zh) * | 2019-06-12 | 2019-09-10 | 山东洲星生物技术有限公司 | 一种循环流化床锅炉的助燃方法 |
Also Published As
Publication number | Publication date |
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EP1595580A1 (en) | 2005-11-16 |
AU2003303898A1 (en) | 2004-08-30 |
JPWO2004069341A1 (ja) | 2006-05-25 |
US20050107652A1 (en) | 2005-05-19 |
US7196240B2 (en) | 2007-03-27 |
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