WO2008139635A1 - ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 - Google Patents
ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 Download PDFInfo
- Publication number
- WO2008139635A1 WO2008139635A1 PCT/JP2007/060288 JP2007060288W WO2008139635A1 WO 2008139635 A1 WO2008139635 A1 WO 2008139635A1 JP 2007060288 W JP2007060288 W JP 2007060288W WO 2008139635 A1 WO2008139635 A1 WO 2008139635A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicate
- containing fibrous
- fibrous material
- modifier
- ions
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- 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
- A62D3/36—Detoxification by using acid or alkaline reagents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/32—Alkali metal silicates
-
- 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
- A62D2101/40—Inorganic substances
- A62D2101/41—Inorganic fibres, e.g. asbestos
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
Definitions
- the present invention relates to a modifier and a modification method for a catenate-containing fibrous substance such as asbestos, basalt fiber, and clay fiber, and a material modified by the method.
- Solid waste treatment with concrete or special resin or high-temperature glass solidification is performed as a treatment for waste asbestos-containing materials. From time to time management is required.
- the high-temperature vitrification treatment requires a very high temperature (1600 ° C or higher) to melt and mix waste asbestos-containing materials to decompose and vitrify the asbestos fibrous structure. Equipment costs.
- JP-A-6- 340470 the asbestos-containing material, S I_ ⁇ 2, C a O
- the asbestos-containing material S I_ ⁇ 2
- a ceramic sintered body formed by forming main crystals is described.
- Japanese Patent Laid-Open No. 6-340470 can generate a crystal mainly composed of diopside in the sintered body and can be processed at about 1100-1350 ° C, which is lower than the high-temperature vitrification treatment. Is a technology that makes Aspest a useful substance. This is completely different from the present invention which can be modified to light.
- the present inventor disclosed in Japanese Patent Publication No. 7-10750 a porous material modifier comprising an aqueous alkaline solution containing ammonium ions and halogen ions. However, this modifier cannot modify silicate-containing fibrous materials such as asbestos. Disclosure of the invention
- An object of the present invention is to modify a silicate-containing fibrous material to make it pollution-free or to effectively use it as cordierite.
- the gist of the present invention is as follows.
- a modifier for a catenate-containing fibrous material comprising an alkaline aqueous solution mainly composed of alkaline silicate containing ammonium ions, halogen ions, boron ions and aluminum ions.
- Alkaline silicate is represented by the general formula: M 20 ⁇ n Si 0 2 (where M represents an allylic metal and n is 1 to 5 and may not be an integer.)
- M represents an allylic metal and n is 1 to 5 and may not be an integer.
- the modifier for a silicate-containing fibrous material according to (1) which is represented by (1) above.
- silicate-containing fibrous material is selected from serpentine group asbestos, amphibolite group asbestos, passart fiber, mullite fiber, and a mixture of two or more thereof.
- the modifier for a silicate containing fibrous material according to any one of the above.
- a catenate-containing fibrous material comprising bringing the catenate-containing fibrous material into contact with the modifier for a catenate-containing fibrous material according to any one of (1) to (7) of Modification method.
- the catenate-containing fibrous material refers to a fibrous material containing a cate salt, and examples include natural mineral fibers such as asbestos, and artificial mineral fibers such as passalt fibers and mullite fibers.
- Asbestos includes serpentine asbestos such as chrysotile (white cotton, warm asbestos; chrysotile; Mg 3 Si 2 0 5 (OH) 4 ); crocidolite; crocidolite; N a 2 ( F e 2 + , Mg) 3 (F e 3+ ) 2 Si 8 0 22 (OH, F) 2 ), amosite (tea asbestos; (F e, Mg) 7 Si 8 ⁇ 22 (OH) 2 ), Anthophyllite (Anthophylite; (Mg, F e) 7 Si 8 ⁇ 22 (OH) 2 ), Tremolite (Tremmolite; C a 2 Mg 5 Si 8 0 Amphib ole asbestos, such as 22 (OH) 2 ), actin
- the present invention is a pollution-free and recycling technology for catenate-containing fibrous materials such as asbestos, and uses ions contained in the composition and structure of crystals to replace ions by adding aluminum ions. In order to change the catenate-containing fibrous material such as asbestos into cordierrite crystals, and to provide a material with heat resistance and low expansion characteristics as well as detoxification. .
- the modifier of the present invention comprises an alkaline aqueous solution mainly composed of alkaline silicate.
- mainly composed of alkali silicate means that the alkaline component in the alkaline aqueous solution has the largest amount of alkaline silicate. It is preferable that the alkaline component in the alkaline aqueous solution consists essentially of alkaline silicate.
- the alkaline silicate is preferably an alkali silicate represented by the general formula: M 20 ⁇ n S i O 2 (where M represents an alkaline metal and n is 1 to 5).
- the alkali metal is preferably sodium, potassium or lithium.
- the concentration of alkali silicate in the alkaline aqueous solution is preferably 10 to 50% by weight. Good.
- the density is less than 10 wt% is insufficient precipitation of Kei salt compounds formed by the reaction, also, more than 50 weight 0/0, halogen ions, particularly fluorine I O emissions is S i ions in the liquid Reacts with S i F 6 to evaporate, reducing the amount of Si, and reducing the catalytic function of halogen ions.
- TAA triethanolamine
- B 3+ ions to form the intermediate reactant BF 3 to complete the stable oxide salt. That is, it reacts with the OH group of the fibrous material containing silicate such as asbestos, and it becomes HF and vaporizes and disappears.
- the aqueous alkali solution used in the present invention contains ammonium ions.
- Ammonium ions act as activators of ion substitution reactions in accordance with the ionization tendency of calcium ions, magnesium ions in the silicate-containing fibrous material, and alkali metals in the silicate.
- the ammonium ion source inorganic ammonium salts such as ammonium chloride, ammonium sulfate, ammonium sulfide, ammonium phosphate, ammonium fluoride, and ammonium ammonium fluoride (NH 4 F 'HF) are available. preferable.
- Ammonium chloride, ammonium fluoride, and ammonium acid fluoride can also serve as halogen ion sources.
- the ammonium ion concentration in the alkaline aqueous solution used in the present invention is preferably 0.01 to 50 mol ZK g, more preferably 0.01 to 1.0 mol / Kg. If the ammonium ion concentration is too low, it will act less as an activator of the ion displacement reaction, while if it is too high, the pH will be below 10.5 (buffer theory).
- the alkaline aqueous solution used in the present invention contains halogen ions and boron ions as the catalyst for the ion substitution reaction.
- the halogen ion is preferably a chlorine ion or a fluorine ion, more preferably a fluorine ion
- the halogen ion source is a metal such as Na, K, Ca, Mg, A 1, or an ammonium chloride or fluoride (for example, , Sodium fluoride, ammonium fluoride) and acidic ammonium fluoride are preferable, and acidic ammonium fluoride is more preferable in terms of solubility.
- Ammonium acid fluoride is usually 1 to 10% as a solution diluted to about 1% by weight. Add / 0 .
- the chloride or fluoride of A 1 can also serve as an aluminum source.
- the blending amount of the halogen ion source in the alkaline aqueous solution used in the present invention is preferably The Mashiku 0.0 1-50 0/0, still more preferably 0.0 1 to 1.0 wt 0/0, the halogen ion concentration is preferably 0.0 to 50 Moruno ⁇ , more preferably Is 0.01 to 1.0 mole ZKg. If the halogen ion concentration is too low, the effect as a catalyst is insufficient, and the object of the present invention cannot be completely achieved. On the other hand, if it is too high, there is no problem, but chemicals are wasted.
- boron alcoholate for example, boron methyl alcoholate (H 3 B0 3 methanol solution)
- boron alcoholate for example, Boron methyl alcoholate (H 3 B0 3 methanol solution)
- the boron ion concentration in the alkaline aqueous solution used in the present invention is preferably 0.1 to: L 00 mol ZKg, more preferably 0.1 to 2.0 mol ZKg. If the boron ion concentration is too low, halogen ions such as fluorine ions may remain in the treated product. On the other hand, if it is too high, there is no problem, but chemicals are wasted.
- the alkaline aqueous solution used in the present invention is aluminum. Contains ions. Since catenate-containing fibrous materials such as aspaste are substantially free of aluminum ions, aluminum ions are required to make them cordierite.
- the aluminum ion source is not limited as long as it is a water-soluble aluminum salt, and examples include aluminum chloride and polyaluminum chloride.
- the aluminum ion concentration in the alkaline aqueous solution used in the present invention is preferably 0.01 mol ZK g or more, more preferably 0.01 to 50 mol / Kg.
- a small amount of alcohol such as methanol, ethanol, n-propyl alcohol, or isopropyl alcohol, preferably boron is used in order to promote penetration and diffusion of the aqueous solution into the silicate-containing fibrous material. It is better to add more than the equivalent to ions.
- an alcohol such as methanol
- boron ions contained in the alkaline aqueous solution react with the alcohol. For example, when methanol is used, it becomes B (OC H 3 ) 3 and vaporizes and disappears at 60 to 70 ° C. This is effective when it is necessary to remove boron ions from an aqueous alkali solution.
- the alkaline aqueous solution used in the present invention is alkaline
- a halogen ion such as fluorine ion such as fluorine ion
- the amount of TEA alcohol solution added is not particularly limited, but is usually about 0.1 to 10% by weight based on the total amount of the alkali silicate solution.
- perchloric acid or perchlorates are used to promote ionization of the components in the silicate containing fibrous material. 4 .
- concentration of perchloric acid or perchlorates in the aqueous alkaline solution is preferably 3% by weight or more, preferably 3 to 10% by weight.
- Perchloric acid or perchlorates are not a source of halogen ions.
- the silicate-containing fibrous material is modified by bringing the silicate-containing fibrous material into contact with the modifier comprising the alkaline aqueous solution, thereby making the pollution-free or cordierite. Can be used effectively as a product.
- the silicate-containing fibrous material is not particularly limited, and examples include asbestos waste, basalt fiber waste, and mullite fiber waste.
- the method for bringing the silicate-containing fibrous substance into contact with the aqueous solution of Al force is arbitrary.
- the silicate-containing fibrous material may be immersed in the alkaline aqueous solution, or the alkaline aqueous solution may be applied to the surface of the silicate-containing fibrous material or a construction site where the silicate-containing fibrous material exists.
- a spraying method may be used.
- the amount of the alkaline aqueous solution used is not particularly limited, but is usually about 3. OmVK g (330 g / m 2 ) as a standard aspect thickness.
- the treatment temperature is usually 0 ° C or higher, preferably room temperature or higher. Usually, the reaction is completed in 15 to 30 minutes. Even if heat treatment is not performed, the silicate-containing fibrous material is reformed to hydrated cordierite, but in order to make cordierite anhydride with high utility value, heat treatment at 500 to 750 ° C is required. Is preferably added.
- the reaction used in the present invention can be explained by the tendency to become a cation when a metal contacts water or a solution, that is, the standard electrode potential of the metal.
- Alkaline aqueous solution is generally hydrolyzed as shown in the following formula (2). Demonstrates strong strength.
- M 2 in the catenate-containing fibrous material such as Aspest reacts with the alkali silicate and, for example, the M 2 silicate Mg 2 ⁇ 1 4 ⁇ S i 0 18 (2Mg O -2 A 1 2 0 3 ⁇ 5 S i 0 2 ) and produces colloidal kelic acid. In some cases, it may show a hydroxylated structure.
- heat supplementation at 650 to 750 ° C is performed to precipitate more stable cordierite.
- halogen ions act on M 2 in the presence of boron ions to form a complex salt M 2 X— m + 1 (m is the valence of M 2 ), and to form BF 3 to prevent the formation of a stable complex salt This weakens the binding elements and facilitates the generation of the desired crystal structure.
- Boron ion (B 3+ ) becomes BF 3 , forms an intermediate, does not form stable complex salts such as S i F 6 and M 2 F 2, and can produce M 2 S i 2 0 5 .
- catenate-containing fibrous materials such as asbestos contain Mg ions and Ca ions, and by adding an aluminum ion reactant, hydrolysis of the following formula (4) and formula (5) Promotes the dehydration reaction.
- Figure 1 is a photomicrograph showing the structure of asbestos.
- Figure 2 shows the X-ray analysis (upper side) and the X-ray analysis (lower side) of the cordierite standard product when asbestos is treated with the modifier of the present invention.
- Fig. 3 is a photomicrograph of the asbestos in the form of cordierite. BEST MODE FOR CARRYING OUT THE INVENTION
- Table 1 shows the chemical analysis values of the aspest used in the following examples.
- the solution of (C) is 10% H 3 BO 3 methanol solution 1% acidic Aqueous ammonium fluoride aqueous solution was mixed in this order to prepare an aqueous alkali solution.
- the alkaline aqueous solution thus obtained has about 1.0 mol of ZKg of ammonium ions, about 1.0 ⁇ monoreno Kg of halogen ions, about 2.0 of monole / Kg of fluorine ions, about 1. 0 and the aluminum ions in mol / Kg, those containing a methano Ichiru about 0.2 weight 0/0.
- the alkaline aqueous solution thus obtained has about 1.0 mol ZK g of ammonia ions, about 1.0 mol ZK g of halogen ions, and about 2.0 mol / kg of fluorine ions.
- those containing aluminum ions from about 1.0 mole ZKG, and about 0.2 weight 0/0 methanol.
- Fig. 2 shows an X-ray analysis of the treated product obtained by directly spraying the alkaline aqueous solution (modifier) of Example 1.
- the X-ray analysis diagram of the treated product has the standard peak shown in the X-ray analysis diagram of the cordierite standard product (bottom of Fig. 2), so that asbestos is treated with the modifying agent of the present invention to produce cordierite. It was found to be improved.
- Figure 3 shows a photomicrograph of the cordierite obtained.
- the modifier of the present invention does not scatter when sprayed directly on the construction site where the catenate-containing fibrous material such as Aspest is present, and changes the catenate-containing fibrous material into a stabilized structural crystal. In some cases, it is possible to change to a stable cordierite by heating supplementation at 500 to 70 ° C. and reuse it as a more stable raw material.
- Koji light is heat-resistant and low-expansion, so it can be reused as heat-resistant and low-expansion porcelain or building material, and can be dumped directly. It can be used as a raw material for reuse in various industrial fields, and it can be used as an important raw material that does not lead to environmental pollution.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Processing Of Solid Wastes (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/597,927 US20100135887A1 (en) | 2007-05-14 | 2007-05-14 | Modifier for silicate-containing fibrous material, method for modifying silicate-containing fibrous material, and modified material |
JP2009513961A JP5039133B2 (ja) | 2007-05-14 | 2007-05-14 | ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 |
EP07743723A EP2154222A1 (en) | 2007-05-14 | 2007-05-14 | Modifier for silicate-containing fibrous substance, method of modifying the same and modified material |
PCT/JP2007/060288 WO2008139635A1 (ja) | 2007-05-14 | 2007-05-14 | ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/060288 WO2008139635A1 (ja) | 2007-05-14 | 2007-05-14 | ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008139635A1 true WO2008139635A1 (ja) | 2008-11-20 |
Family
ID=40001864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/060288 WO2008139635A1 (ja) | 2007-05-14 | 2007-05-14 | ケイ酸塩含有繊維状物質の改質剤及び改質方法、並びに改質された材料 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100135887A1 (ja) |
EP (1) | EP2154222A1 (ja) |
JP (1) | JP5039133B2 (ja) |
WO (1) | WO2008139635A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011025212A (ja) * | 2009-07-28 | 2011-02-10 | Sunao Iwatsuki | アスベスト溶解剤およびアスベスト無害化湿式処理方法 |
CN104129795A (zh) * | 2014-07-27 | 2014-11-05 | 许盛英 | 酸化后的玄武岩 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104150496B (zh) * | 2014-07-27 | 2016-05-18 | 许盛英 | 酸化后的蛇纹石 |
CN109399966A (zh) * | 2018-12-19 | 2019-03-01 | 郑州登电玄武石纤有限公司 | 一种玄武岩纤维载体材料及其制作方法与应用 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01246123A (ja) * | 1988-03-29 | 1989-10-02 | Agency Of Ind Science & Technol | 合成カオリナイト繊維状集合体およびその製造法 |
JPH03150262A (ja) * | 1989-11-06 | 1991-06-26 | Agency Of Ind Science & Technol | コージェライトの製造方法 |
JPH04226677A (ja) * | 1990-09-03 | 1992-08-17 | Kali Chem Ag | アスベストの分解のための方法および調剤 |
JPH06340470A (ja) | 1993-05-27 | 1994-12-13 | Ootake Seramu Kk | セラミックス焼結体 |
JPH0710750B2 (ja) | 1993-03-01 | 1995-02-08 | 敏倫 森実 | 多孔質材料の改質剤、改質方法および改質された材料 |
JPH0768167A (ja) * | 1993-09-01 | 1995-03-14 | Agency Of Ind Science & Technol | 湿度調整材及びその製造方法 |
JP2000514397A (ja) * | 1996-09-27 | 2000-10-31 | ダブリユ・アール・グレイス・アンド・カンパニー・コネテイカツト | 石綿を除去するための組成物及び方法 |
JP2000514396A (ja) * | 1996-09-27 | 2000-10-31 | ダブリユ・アール・グレイス・アンド・カンパニー・コネテイカツト | 石綿を除去するための組成物及び方法 |
JP2003094006A (ja) * | 2001-09-26 | 2003-04-02 | A & A Material Corp | 石綿の処理方法およびその生成物 |
-
2007
- 2007-05-14 EP EP07743723A patent/EP2154222A1/en not_active Withdrawn
- 2007-05-14 JP JP2009513961A patent/JP5039133B2/ja active Active
- 2007-05-14 US US12/597,927 patent/US20100135887A1/en not_active Abandoned
- 2007-05-14 WO PCT/JP2007/060288 patent/WO2008139635A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01246123A (ja) * | 1988-03-29 | 1989-10-02 | Agency Of Ind Science & Technol | 合成カオリナイト繊維状集合体およびその製造法 |
JPH03150262A (ja) * | 1989-11-06 | 1991-06-26 | Agency Of Ind Science & Technol | コージェライトの製造方法 |
JPH04226677A (ja) * | 1990-09-03 | 1992-08-17 | Kali Chem Ag | アスベストの分解のための方法および調剤 |
JPH0710750B2 (ja) | 1993-03-01 | 1995-02-08 | 敏倫 森実 | 多孔質材料の改質剤、改質方法および改質された材料 |
JPH06340470A (ja) | 1993-05-27 | 1994-12-13 | Ootake Seramu Kk | セラミックス焼結体 |
JPH0768167A (ja) * | 1993-09-01 | 1995-03-14 | Agency Of Ind Science & Technol | 湿度調整材及びその製造方法 |
JP2000514397A (ja) * | 1996-09-27 | 2000-10-31 | ダブリユ・アール・グレイス・アンド・カンパニー・コネテイカツト | 石綿を除去するための組成物及び方法 |
JP2000514396A (ja) * | 1996-09-27 | 2000-10-31 | ダブリユ・アール・グレイス・アンド・カンパニー・コネテイカツト | 石綿を除去するための組成物及び方法 |
JP2003094006A (ja) * | 2001-09-26 | 2003-04-02 | A & A Material Corp | 石綿の処理方法およびその生成物 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011025212A (ja) * | 2009-07-28 | 2011-02-10 | Sunao Iwatsuki | アスベスト溶解剤およびアスベスト無害化湿式処理方法 |
CN104129795A (zh) * | 2014-07-27 | 2014-11-05 | 许盛英 | 酸化后的玄武岩 |
Also Published As
Publication number | Publication date |
---|---|
EP2154222A1 (en) | 2010-02-17 |
JPWO2008139635A1 (ja) | 2010-07-29 |
JP5039133B2 (ja) | 2012-10-03 |
US20100135887A1 (en) | 2010-06-03 |
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