WO2018155528A1 - Composition à solidification par ajout de liquide et corps solidifié - Google Patents

Composition à solidification par ajout de liquide et corps solidifié Download PDF

Info

Publication number
WO2018155528A1
WO2018155528A1 PCT/JP2018/006362 JP2018006362W WO2018155528A1 WO 2018155528 A1 WO2018155528 A1 WO 2018155528A1 JP 2018006362 W JP2018006362 W JP 2018006362W WO 2018155528 A1 WO2018155528 A1 WO 2018155528A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
ash
solidified
less
composition
Prior art date
Application number
PCT/JP2018/006362
Other languages
English (en)
Japanese (ja)
Inventor
和明 後藤
Original Assignee
株式会社ランド
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 株式会社ランド filed Critical 株式会社ランド
Publication of WO2018155528A1 publication Critical patent/WO2018155528A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/24—Cements from oil shales, residues or waste other than slag
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/24—Cements from oil shales, residues or waste other than slag
    • C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C09K17/08—Aluminium compounds, e.g. aluminium hydroxide
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C09K17/34—Bituminous materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

Definitions

  • the present invention relates to a liquid-solidified composition and a solidified body, and more particularly to a liquid-solidified composition that solidifies by liquid addition, and a solidified body obtained by solidifying the liquid-solidified composition by liquid addition.
  • a composition in which a binder such as cement is mixed with natural soil or natural sand has a property of solidifying by water.
  • the solidified product obtained by solidifying the composition by water has a natural feeling due to the natural texture of soil and sand, and is used for, for example, paving materials.
  • conventional compositions are mainly made of natural soil or natural sand (hereinafter sometimes referred to as “natural soil”) having a relatively large specific gravity. Therefore, the conventional composition tends to be heavy, and is inferior in bagging and on-site workability and transportability.
  • natural soil and the like are collected in a state containing a large amount of moisture, so that drying is essential before cement is added. Therefore, the production of a conventional composition requires a large-scale drying facility for drying natural soil or the like. Also, much energy is consumed for drying.
  • the conventional composition solidified by hydration uses cement, there is a possibility that soil pollutants such as hexavalent chromium may come out, and it is difficult to dispose in the same manner as the soil (in each case, If a component test related to soil contamination is conducted and safety cannot be confirmed, it cannot be disposed of.)
  • the conventional composition cannot obtain the required solidified state unless cement, which is a good soil solidifying material, is used.
  • the present invention has been made in view of the above-described background, and is a liquid-solidified composition that is lightweight, solidified by liquid addition, and can be discarded in the same manner as soil after solidification, and a solidified body using the composition Is to provide.
  • One aspect of the present invention is a liquid-solidified composition that solidifies by liquid addition, Paper sludge ash, And a clinker ash.
  • Another aspect of the present invention resides in a solidified body in which the above liquid-solidified composition is solidified by liquid addition.
  • the liquid-solidified composition has the above-described configuration and does not use natural soil or the like as the main raw material. Paper sludge ash and clinker ash both have a lower specific gravity than natural soil. Therefore, the liquid-added solidified composition can be reduced in weight as compared with conventional compositions. Moreover, since both paper sludge ash and clinker ash are produced by baking at a high temperature, they are easily obtained in a dry state or a low water content. Therefore, the above-mentioned liquid-solidified composition does not require a large drying facility at the time of production, and wasteful energy consumption for drying can be suppressed.
  • the liquid-added solidified composition can be solidified by liquid addition.
  • the liquefied solidified composition is solidified by liquefaction, the soil contaminants are easily insolubilized. Clinker ash also meets environmental standards for soil contamination. Therefore, the solidified body solidified by liquid addition of the above liquid-solidified composition can satisfy the environmental standards related to soil contamination as a whole and can be discarded in the same manner as soil.
  • the solidified body is light, solidified by liquid addition, and after solidification, the liquid solidification composition that can be discarded in the same manner as soil is solidified by liquid addition. Therefore, the solidified body is lighter, has a liquid absorbing property and a liquid retaining property, and can be discarded in the same manner as the soil, compared with a solidified body by a conventional composition.
  • the liquid-solidified composition has a property of solidifying by liquid addition.
  • the liquid-added solidified composition can be solidified by adding at least water.
  • the solidification mentioned above includes semi-solidification.
  • the liquid addition solidified composition contains at least paper sludge ash (hereinafter sometimes referred to as PS ash) and clinker ash.
  • PS ash specifically, among those produced by dewatering and reducing the volume of papermaking sludge generated in the used paper recycling process and papermaking process, fine particles in a dry state may be used. it can. PS ash that is in the form of fine particles and is in a dry state can be particularly preferably used because it is easily mixed uniformly with other components and has a strong binding force as a binder.
  • the PS ash one that satisfies the environmental standards related to soil contamination is preferably used from the viewpoint that the above-mentioned liquid-solidified composition after solidified by liquid addition easily satisfies the environmental standards related to soil contamination. Good.
  • the environmental standards related to soil contamination mentioned above are environmental standards related to soil contamination (Environment Agency Notification No.
  • the analysis object is cadmium, lead, hexavalent chromium, arsenic, total mercury, selenium, fluorine, boron, etc. (hereinafter the same).
  • the clinker ash is preferably one that satisfies the environmental standards related to soil contamination, from the viewpoint that the above-mentioned liquid-solidified composition after solidification by liquid addition easily satisfies the environmental standards related to soil contamination. Good.
  • the liquid-added solidified composition can contain clay tile chamotte in addition to PS ash and clinker ash. According to this structure, it becomes easy to adjust the intensity
  • PS ash is usually white, and clinker ash is usually black. Therefore, when a liquid-solidified composition mainly composed of two components of PS ash and clinker ash is solidified by liquid addition, a solidified body having a gray color tone is often obtained. According to the said structure, it becomes easy to color the color tone of a solidified body into tea type
  • similar to natural soil is liked is obtained.
  • clay tile chamotte has a higher specific gravity than PS ash and clinker ash. Therefore, according to this structure, it becomes easy to adjust the specific gravity of the said liquid addition solidified composition and the said solidified body.
  • the liquid-solidified composition can contain, for example, lime, calcined magnesia, ceramic waste killer, etc., if necessary. These are effective for improving the solidification rate of the liquid-solidified composition and improving the compressive strength of the solidified body obtained by solidifying the liquid-solidified composition.
  • the particle size of PS ash can be 1 mm or less, and the particle size of clinker ash can be 3 mm or less. According to this structure, it becomes easy to improve the intensity
  • the particle size of the clay tile chamotte can be 3 mm or less. According to this structure, it becomes easy to improve the intensity
  • the particle size described above is a particle size measured by sieving. Therefore, the particle size of X mm or less means that all components under the X mm sieve are included.
  • the volume ratio of PS ash can be 30% or more and 80% or less, and the volume ratio of clinker ash can be 20% or more and 70% or less ( Hereinafter, it may be referred to as a first blending configuration).
  • the 1st compounding composition it becomes easy to make the uniaxial compressive strength of the solidification object solidified by addition of the above-mentioned liquid solidification composition 1N / mm ⁇ 2 > or more.
  • the volume ratio of PS ash in the first composition is preferably 35% or more, more preferably 40% or more, and still more preferably 45% or more. be able to.
  • the volume ratio of PS ash in the first blending structure is preferably 65 from the viewpoint of securing clinker ash and easily adjusting the color tone of the solidified body to a gray to dark gray color tone similar to the texture of natural sand. % Or less, more preferably 60% or less, and still more preferably 55% or less.
  • the volume ratio of the clinker ash in the first composition is preferably 25% or more from the viewpoint of easy adjustment of the color tone of the solidified body to a gray to dark gray color tone resembling the texture of natural sand. More preferably, it can be 30% or more, and more preferably 35% or more.
  • the volume ratio of clinker ash in the first composition is preferably 65% or less, more preferably 60% or less, and still more preferably, from the viewpoint of securing PS ash, improving the uniaxial compressive strength of the solidified body, and the like. It can be 55% or less.
  • the volume ratio of PS ash is 30% to 80%
  • the volume ratio of clinker ash is 10% to 60%
  • clay The volume ratio of the tile chamotte can be 10% or more and 60% or less (hereinafter sometimes referred to as a second blending configuration).
  • the 2nd compounding composition it becomes easy to make uniaxial compressive strength of the solidification object which the above-mentioned liquid solidification composition solidified by liquid addition 1 N / mm 2 or more.
  • the volume ratio of PS ash in the second composition is preferably 35% or more, more preferably 40% or more, and still more preferably 45% or more. be able to.
  • the volume ratio of PS ash in the second blending composition is from the viewpoint of securing clinker ash, clay tile chamotte, and easy to adjust the color of solidified body to gray or brown color similar to the texture of natural soil. Preferably, it may be 75% or less, more preferably 70% or less, and still more preferably 65% or less.
  • the volume ratio of clinker ash in the second composition is preferably 15% or more, more preferably 20% or more, and further preferably 25% or more from the viewpoint of improving the uniaxial compressive strength of the solidified body. It can be.
  • the volume ratio of clinker ash in the second composition is preferably 55% or less, more preferably 50% or less, and still more preferably 45% or less, from the viewpoint of securing PS ash, clay tile chamotte, and the like. be able to.
  • the volume ratio of the clay tile chamotte in the second composition is preferably 15% or more, from the viewpoint of easy adjustment of the color tone of the solidified body to a brown color tone similar to the texture of natural soil.
  • the volume ratio of the clay tile chamotte in the second composition is preferably 55% or less, more preferably 50% or less, and even more preferably 45% or less. be able to.
  • the 1st compounding composition and the 2nd compounding composition are excellent in the balance of uniaxial compressive strength of a solidification object, and the color tone adjustment nature of a solidification object, it can be used conveniently as a paving material.
  • the uniaxial compressive strength of the solidified body is 1 N / mm 2 or more, it is suitable as a pavement material such as a promenade or a garden road.
  • the uniaxial compressive strength of the solidified body is 2N / mm 2 or more is preferable as such paving materials for weed prevention with weeds preventing effect.
  • the volume ratio of PS ash can also be 10% or more and 30% or less, and the volume ratio of clinker ash can also be 70% or more and 90% or less ( Hereinafter, it may be referred to as a third blending configuration).
  • the 3rd compounding composition it becomes easy to improve the liquid absorbency of the above-mentioned liquid addition solidification composition.
  • the said liquid addition solidified composition is solidified by liquid addition, a solidified body does not become hard too much and it becomes easy to ensure moderate grindability. Moreover, the weight of the liquid-added solidified composition is easily reduced.
  • the volume ratio of PS ash in the third blending structure is preferably 12% or more, more preferably 15% or more, from the viewpoint of improving the liquid absorbability of the liquefied solidified composition.
  • the volume ratio of PS ash in the third blending configuration is preferably 28% or less, and more preferably 25% or less, from the viewpoints of securing clinker ash and improving the pulverizability of the solidified body.
  • the volume ratio of the clinker ash in the third blending configuration is preferably 72% or more, more preferably 75% or more, from the viewpoint of improving the pulverization property of the solidified body.
  • the volume ratio of the clinker ash in the third blending configuration is preferably 88% or less, more preferably 85% or less, from the viewpoints of securing PS ash and improving the liquid absorbability of the liquid-solidified composition. be able to.
  • the volume ratio of PS ash is 10% to 30%
  • the volume ratio of clinker ash is 20% to 80%
  • clay The volume ratio of the tile chamotte may be 10% or more and 50% or less (hereinafter sometimes referred to as a fourth blending configuration).
  • a solidified body does not become hard too much and it becomes easy to ensure moderate grindability.
  • the weight of the liquid-added solidified composition is easily reduced.
  • the volume ratio of PS ash in the fourth blending configuration is preferably 15% or more from the viewpoint of improving the liquid absorbability of the liquefied solidified composition.
  • the volume ratio of PS ash in the fourth blending configuration is preferably 25% or less from the viewpoint of securing clinker ash, securing clay tile chamotte, improving the pulverization property of the solidified body, and the like.
  • the volume ratio of the clinker ash in the fourth blending configuration is preferably 25% or more, more preferably 30% or more, and still more preferably 35% or more, from the viewpoint of improving the grindability of the solidified body. be able to.
  • the volume ratio of the clinker ash in the fourth composition is preferably 75% or less, more preferably from the viewpoints of securing PS ash, securing clay tile chamotte, improving liquid absorbency of the liquid-added solidified composition, and the like. 70% or less, and more preferably 65% or less.
  • the volume ratio of the clay tile chamotte in the fourth composition is preferably 15% or more, more preferably 20% or more, and still more preferably 25% or more, from the viewpoint of improving the density of the solidified body. be able to.
  • the volume ratio of the clay tile chamotte in the fourth blending composition is preferably 45% or less, more preferably 40%, from the viewpoint of facilitating weight reduction of the liquid-added solidified composition and the solidified body. It can be as follows.
  • the third compounding composition and the fourth compounding composition are excellent in the balance between the liquid absorbability of the liquid-added solidified composition, the pulverization property of the solidified product, and the weight reduction, and therefore can be suitably used as a soil covering material.
  • the clay after the clay is absorbed and solidified, it can be easily pulverized at the time of disposal of the clay, so that a clay with excellent functionality and disposability can be obtained.
  • the specific gravity of the components used in the above liquid-solidified composition is small, it is lighter than conventional sandbags using natural soil, etc., and workability when loading sandbags, work during sandbag removal / disposal A sandbag with excellent properties can be obtained.
  • the volume ratio of PS ash can also be 10% or more and 90% or less, and the volume ratio of clinker ash can also be 10% or more and 90% or less ( Hereinafter, it may be referred to as a fifth blending configuration).
  • the 5th compounding composition it becomes easy to secure the liquid absorbency of the above-mentioned liquid addition solidification composition.
  • it becomes easy to improve the scattering resistance of the said liquid-solidified composition compared with PS ash simple substance it becomes easy to spray the said liquid-solidified composition by hand.
  • the weight of the liquid-added solidified composition is easily reduced.
  • the volume ratio of PS ash in the fifth blending composition is preferably 15% or more, more preferably 20% or more, and still more preferably 25%, from the viewpoint of improving the liquid absorbability of the liquid-solidified composition. This can be done.
  • the volume ratio of PS ash in the fifth blending structure is preferably 85% or less, more preferably 80% or less, from the viewpoint of securing clinker ash and improving the splash resistance of the liquid-solidified composition. Preferably, it can be 75% or less.
  • the volume ratio of the clinker ash in the fifth blending composition is preferably 15% or more, more preferably 20% or more, and still more preferably, from the viewpoint of improving the splash resistance of the liquid-solidified composition. It can be 25% or more.
  • the volume ratio of clinker ash in the fifth blending composition is preferably 85% or less, more preferably 80% or less, more preferably from the viewpoint of securing PS ash, improving liquid absorbency of the liquid-solidified composition, and the like. Preferably, it can be 75% or less.
  • the volume ratio of PS ash is 10% to 90%
  • the volume ratio of clinker ash is 10% to 80%
  • the volume ratio of the tile chamotte may be 10% or more and 50% or less (hereinafter sometimes referred to as a sixth blending configuration).
  • a sixth blending configuration it becomes easy to ensure the liquid absorbency of the above-mentioned liquid addition solidification composition.
  • unit it becomes easy to spray the said liquid-solidified composition.
  • the weight of the liquid-added solidified composition is easily reduced.
  • the volume ratio of PS ash in the sixth blending composition is preferably 15% or more, more preferably 20% or more, and still more preferably 25%, from the viewpoint of improving the liquid absorbability of the liquid-solidified composition. This can be done.
  • the volume ratio of PS ash in the sixth blending composition is preferably 85% or less, more preferably 80%, from the viewpoints of securing clinker ash, clay tile chamotte, and improvement in scattering resistance of the liquid-solidified composition. % Or less, and more preferably 75% or less.
  • the volume ratio of the clinker ash in the sixth blending structure is preferably 15% or more, more preferably 20% or more, and still more preferably, from the viewpoint of improving the splash resistance of the liquid-solidified composition. It can be 25% or more.
  • the volume ratio of clinker ash in the sixth blending composition is preferably 75% from the viewpoint of securing PS ash, clay tile chamotte, facilitating weight reduction of the liquid-added solidified composition, and solidified body. In the following, it can be more preferably 70% or less, and still more preferably 65% or less. Further, the volume ratio of the clay tile chamotte in the sixth composition is preferably 15% or more, more preferably 20% or more, and still more preferably, from the viewpoint of improving the splash resistance of the liquid-solidified composition. , 25% or more. Further, the volume ratio of the clay tile chamotte in the sixth composition is preferably 15% or more, more preferably 20% or more, and further preferably 25% or more from the viewpoint of improving the pulverization property of the solidified body.
  • the volume ratio of the clay tile chamotte in the sixth blending structure is preferably 45 from the viewpoints of securing PS ash, clay tile chamotte, facilitating weight reduction of the liquid-added solidified composition, and solidified body, and the like. % Or less, more preferably 40% or less, and still more preferably 35% or less.
  • the fifth blending configuration and the sixth blending configuration can be suitably used as a liquid absorbent material that is brought into contact with the object to be processed and absorbs the liquid.
  • the liquid absorbent material for example, the fluidity of the object to be processed can be lowered by contacting the object to be processed containing solid content and liquid and absorbing the liquid contained in the object to be processed. And the mixture in which the to-be-processed object and the solid body which absorbed the liquid were mixed can be discarded like soil.
  • the said liquid absorber after making it contact with the to-be-processed object which consists of a liquid and absorbing a liquid, it becomes a solidified body. And this solidified body can be discarded like soil.
  • the said liquid absorbent material since it is hard to disperse
  • the object to be processed if the object to be processed itself does not satisfy the environmental standards related to soil contamination, it cannot be disposed of in the same manner as soil.
  • the object to be treated include animal excrement, blood, sludge, paint, oil, gasoline, solvent and the like. In the case where the object to be treated is animal manure, bactericidal properties due to the alkaline action of PS ash, deodorizing effect due to having porous components, and the like can be expected.
  • the volume ratios of PS ash, clinker ash, and clay tile chamotte are within the range of the volume ratios described above so that the total volume ratio is 100%. You can choose.
  • the specific gravity of the liquid-solidified composition is preferably 1.20 or less, more preferably 1.17 or less, still more preferably 1.10 or less, and even more preferably, in a dry state. 1.00 or less, and even more preferably 0.98 or less.
  • the specific gravity of the liquid-solidified composition is preferably 0.75 or more, more preferably 0.80 or more, and still more preferably, in a dry state from the viewpoint of dispersibility during addition, uniform mixing, and the like. 0.85 or more.
  • the standard substance of the specific gravity is water at 4 ° C.
  • liquid-solidified composition and the solidified body will be described more specifically using experimental examples.
  • -Binder- ⁇ PS ash (produced by Nippon Paper Industries Co., Ltd.) (particle size 1 m or less, specific gravity 0.7)
  • the PS ash is in units of mg / L, cadmium and its compound: less than 0.001, lead and its compound: 0.007, hexavalent chromium compound: 0.015, arsenic and its compound: less than 0.005, Mercury and its compounds: less than 0.0005, selenium and its compounds: less than 0.005, fluorine and its compounds: 0.6, boron and its compounds: less than 0.1, environmental standards for soil contamination (environment Meets Agency Notification No. 46).
  • Clay tile chamotte (Aichi Prefectural Pottery Tile Industry Association, Sanshu Tile Chamotte) (Adjusted to a particle size of 3 mm or less by sieve, specific gravity 1.4) The clay tile chamotte is in units of mg / L, cadmium: less than 0.001, lead: less than 0.005, hexavalent chromium: less than 0.01, arsenic: less than 0.005, total mercury: less than 0.0005 Selenium: Less than 0.002, Fluorine: 0.09, Boron: Less than 0.02, which meets the environmental standards related to soil contamination (Environment Agency Notification No. 46).
  • composition of each sample was obtained by dry-mixing each component until it became uniform by the combination and the mixture ratio (volume%) of the component shown in Table 1.
  • the composition of each sample obtained was evaluated for weight, solidification by water, and disposal properties similar to soil.
  • the weight evaluation when the composition of Sample 1-3 is used as a reference, the case where the specific gravity is lighter than that of the composition is “ ⁇ ”, and the case where the specific gravity is equal to or higher than that of the composition. was marked “x”.
  • the solidification property by water was set to "(circle)” when water was sprayed with respect to the composition and solidified, and it was set to "x” when not solidified.
  • “ ⁇ ” indicates that the composition and solidified product meet the environmental standards for soil contamination, and the composition and solidified product do not meet or do not meet the environmental standards for soil contamination. If there is a possibility that it cannot be disposed of without confirmation of safety, it was marked as “x”. Table 1 shows details of the composition and evaluation results.
  • compositions of Sample 1-3 and Sample 1-4 have solidification properties due to water, they are mainly composed of natural soil or natural sand having a relatively high specific gravity (specific gravity of about 1.7). Because it is used as a raw material, it is heavy. In this experimental example, dried natural soil or the like is used, but actually, a large-scale drying facility for drying the natural soil or the like is required, and much energy is consumed for drying.
  • solidified products of the compositions of Sample 1-3 and Sample 1-4 use cement, there is a risk that soil pollutants such as hexavalent chromium may be emitted, and it is difficult to dispose of in the same way as soil. It is necessary to confirm safety.
  • the solidified bodies of the compositions of Sample 1-3 and Sample 1-4 cannot obtain the required solidified state unless cement or a binder using cement is used.
  • compositions of Sample 1-1 and Sample 1-2 have the above-described configuration, and natural soil or the like is not used as the main raw material. Both PS ash and clinker ash have a lower specific gravity than natural soil. Therefore, the compositions of Sample 1-1 and Sample 1-2 can be reduced in weight compared to the compositions of Sample 1-3 and Sample 1-4. Moreover, since PS ash and clinker ash are both baked at a high temperature, they are easily obtained in a dry state or a low water content. Therefore, the compositions of Sample 1-1 and Sample 1-2 do not require a large drying facility at the time of production, and wasteful energy consumption for drying can be suppressed.
  • compositions of Sample 1-1 and Sample 1-2 can be solidified by liquid addition. Since PS ash, clinker ash, and clay tile chamotte do not contain soil pollutants, the solidified products obtained by the solidification of the compositions of Sample 1-1 and Sample 1-2 as a whole are environment related to soil contamination. It can meet the standards and can be disposed of in the same way as soil.
  • PS ash produced by Nippon Paper Industries Co., Ltd.
  • particle size of 1 m or less was prepared. Further, the same clinker ash (produced by Chubu Electric Power Company, Shonan Thermal Power Plant) was classified using a sieve and adjusted to a particle size of 5 to 3 mm, a particle size of 5 mm or less, a particle size of 3 mm or less, and a particle size of 1 mm or less.
  • the same clay tile chamotte as above (classified by Aichi Prefecture Ceramic Tile Industry Association, Sanshu tile chamotte) is classified, and the particle size is 5 mm or less, the particle size is 5 to 2 mm, the particle size is 3 to 2 mm, and the particle size is 3 mm. The following adjustments were made.
  • PS ash and clinker ash having a predetermined particle diameter were mixed by dry mixing at a volume ratio of 50:50 until uniform.
  • PS ash and a predetermined clay tile chamotte were dry mixed at a volume ratio of 50:50 until uniform.
  • the obtained mixture was filled in a polyvinyl chloride tube, and 50% of water of 4 ° C. was added to the volume of the mixture to solidify to obtain a columnar solidified body having a diameter of 10 cm and a height of 6 cm.
  • the obtained solidified body was air-dried at 15 to 20 ° C. for 14 days.
  • the strength of the solidified body was evaluated. That is, a uniaxial compression load was applied to the solidified body using a uniaxial compression tester, and the fracture behavior of the solidified body was investigated.
  • the case where the solidified body did not crack with a compressive load of 2 N / mm 2 was “O”, and the solidified body was not cracked with a compressive load of 1 N / mm 2 , but the solidified body was cracked with a compressive load of 2 N / mm 2 Was “C”, and the case where the solidified body was broken by a load of 1 N / mm 2 was designated as “x”.
  • PS ash produced by Nippon Paper Industries Co., Ltd.
  • Clinker Ash produced by Chubu Electric Power Company, Shonan Thermal Power Plant
  • particle size: 3 mm or less a parameter that specifies the size of 3 mm or less.
  • composition of each sample was obtained by dry-mixing each component until it became uniform by the combination and the mixture ratio (volume%) of the component shown in Table 4. Next, the obtained composition was filled in a polyvinyl chloride tube, and 50% of water was added to the volume of the composition to solidify, thereby obtaining a columnar solidified body having a diameter of 10 cm and a height of 6 cm. Next, the obtained solidified body was air-dried at 15 to 20 ° C. for 14 days.
  • the strength of the solidified body was evaluated. That is, a uniaxial compression load was applied to the solidified body by a uniaxial compression tester, and the uniaxial compression strength was measured. Where uniaxial compressive strength was 2N / mm 2 or more " ⁇ ", the case where the uniaxial compressive strength was less than 2 or less 1N / mm 2 or more 2N / mm " ⁇ ", uniaxial compressive strength 1N / mm 2 The case where it was as follows was designated as “x”.
  • Table 4 summarizes the details of the composition and the evaluation results of the solidified product.
  • the volume ratio of PS ash is 30% to 80% and the volume ratio of clinker ash. 20% to 70%, it is easy to make the uniaxial compressive strength of the solidified body 1N / mm 2 or more, and the color tone of the solidified body is adjusted to a gray to dark gray color tone similar to the texture of natural sand It was confirmed that it became easy to do.
  • the composition contains three components of PS ash, clinker ash, and clay tile chamotte (Sample 3-9 to Sample 3-33), the volume ratio of PS ash is 30% to 80%, and the volume of clinker ash.
  • the uniaxial compressive strength of the solidified body can be easily set to 1 N / mm 2 or more, and the color tone of the solidified body It was confirmed that it would be easy to adjust the color tone to a brown color such as gray, which is similar to the texture of natural soil, or light brown, brown, dark brown, or reddish brown.
  • PS ash produced by Nippon Paper Industries Co., Ltd.
  • Clinker Ash produced by Chubu Electric Power Company, Shonan Thermal Power Plant
  • particle size: 3 mm or less a parameter that specifies the size of 3 mm or less.
  • composition of each sample was obtained by dry-mixing each component until it became uniform with the combination and mixing ratio (volume%) of the components shown in Table 5. 1 L of water was added to 1.7 L of the obtained composition, and the water absorption rate was measured. In addition, when the composition absorbs all 1 L of water, the water absorption rate becomes 100%.
  • the obtained composition was filled in a polyvinyl chloride tube and solidified by adding 0.25 L of water to obtain a cylindrical solid body having a diameter of 10 cm and a height of 6 cm. Next, the obtained solidified body was air-dried at 15 to 20 ° C. for 14 days.
  • the grindability of the above solidified body was evaluated. That is, the cracking method was confirmed when the solidified body was dropped from a height of 1 m onto the concrete surface.
  • the solidified body was pulverized as a whole, the solidified body did not become too hard, and it was evaluated as “ ⁇ ” as having an appropriate pulverization property.
  • the solidified body became too hard, so that it was inferior to the pulverizability, and was marked “x”.
  • the volume ratio of PS ash is 10% to 30%, and the volume ratio of clinker ash is 70% to 90%. It turns out that it becomes easy to improve the liquid absorptivity of a composition. It can also be seen that when the composition is solidified by liquid addition, the solidified body does not become too hard and it is easy to ensure appropriate pulverization. It can also be seen that the weight of the composition is easily reduced.
  • the volume ratio of PS ash is 10% to 30%
  • the volume ratio of clinker ash is 20% to 80%
  • the clay roof chamotte It was confirmed that the same effect as described above can be obtained by setting the volume ratio to 10% to 50%.
  • PS ash produced by Nippon Paper Industries Co., Ltd.
  • Clinker Ash produced by Chubu Electric Power Company, Shonan Thermal Power Plant
  • particle size: 3 mm or less a parameter that specifies the size of 3 mm or less.
  • composition of each sample was obtained by dry-mixing each component until it became uniform with the combination and the mixing ratio (volume%) of the components shown in Table 6. 1 L of water was added to 1.7 L of the obtained composition, and the water absorption rate was measured. In addition, when the composition absorbs all 1 L of water, the water absorption rate becomes 100%.
  • the obtained composition was sprayed on the ground, and the scattering state was confirmed.
  • the case where it was less likely to scatter than PS ash alone was designated as “ ⁇ ”, and the case where it was as scatter as PS ash alone was designated as “X”.
  • the volume ratio of PS ash is 10% to 90%
  • the volume ratio of clinker ash is 10% to 90%. It can be seen that the liquid absorbency of the composition is easily secured. Moreover, since it becomes easy to improve the scattering resistance of a composition compared with PS ash single-piece
  • the volume ratio of PS ash is 10% to 90%
  • the volume ratio of clinker ash is 10% to 80%
  • the clay roof chamotte It was confirmed that the same effect as described above can be obtained by setting the volume ratio to 10% to 50%.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Sludge (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Road Paving Structures (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne : une composition à solidification par ajout de liquide qui se solidifie en raison de l'ajout de liquide et peut être disposée de manière similaire sur le sol après solidification ; et un corps solidifié dans lequel la composition à solidification par ajout de liquide est utilisée. La composition à solidification par ajout de liquide se solidifie en raison de l'ajout de liquide, et comporte des cendres de boue de papeterie et des cendres de mâchefer. La composition à solidification par ajout de liquide peut en outre comprendre une chamotte de tuile d'argile. Le diamètre de grain des cendres de boue de papeterie peut être inférieur ou égal à 1 mm, le diamètre de grain des cendres de mâchefer peut être inférieur ou égal à 3 mm, et le diamètre de grain de la chamotte de tuile d'argile peut être inférieur ou égal à 3 mm. Le corps solidifié est dans un état dans lequel la composition à solidification par ajout de liquide est solidifiée en raison de l'ajout d'un liquide.
PCT/JP2018/006362 2017-02-27 2018-02-22 Composition à solidification par ajout de liquide et corps solidifié WO2018155528A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017034755A JP6456417B2 (ja) 2017-02-27 2017-02-27 加液固化組成物および固化体
JP2017-034755 2017-02-27

Publications (1)

Publication Number Publication Date
WO2018155528A1 true WO2018155528A1 (fr) 2018-08-30

Family

ID=63253274

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/006362 WO2018155528A1 (fr) 2017-02-27 2018-02-22 Composition à solidification par ajout de liquide et corps solidifié

Country Status (2)

Country Link
JP (1) JP6456417B2 (fr)
WO (1) WO2018155528A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006241803A (ja) * 2005-03-02 2006-09-14 Ehime Prefecture 吸水性舗装及び吸水性舗装に使用する骨材
JP2008106088A (ja) * 2006-10-23 2008-05-08 Anotsu Giken:Kk 軟泥土壌用粉末固化材及びその製造方法
JP2016204578A (ja) * 2015-04-27 2016-12-08 宇部興産株式会社 高含水土用固化材および高含水土の固化処理方法
WO2017006388A1 (fr) * 2015-07-03 2017-01-12 株式会社環境緑化保全コンサルタント Procédé d'entretien de pente utilisant les cendres de charbon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4472048B2 (ja) * 1998-06-03 2010-06-02 株式会社フジタ 軟弱地盤の改良方法
JP2003313809A (ja) * 2002-04-22 2003-11-06 Kawai Sekkai Kogyo Kk 透水性アスファルト舗装の保水性充填材及びこれが充填された透水性アスファルト舗装体
JP2009262034A (ja) * 2008-04-24 2009-11-12 Kyowa Chem Ind Co Ltd ペーパースラッジ焼却灰中の可溶性フッ素イオンを固定化する方法およびその土壌改良材。
JP2010000472A (ja) * 2008-06-23 2010-01-07 Fujita Corp 油吸着材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006241803A (ja) * 2005-03-02 2006-09-14 Ehime Prefecture 吸水性舗装及び吸水性舗装に使用する骨材
JP2008106088A (ja) * 2006-10-23 2008-05-08 Anotsu Giken:Kk 軟泥土壌用粉末固化材及びその製造方法
JP2016204578A (ja) * 2015-04-27 2016-12-08 宇部興産株式会社 高含水土用固化材および高含水土の固化処理方法
WO2017006388A1 (fr) * 2015-07-03 2017-01-12 株式会社環境緑化保全コンサルタント Procédé d'entretien de pente utilisant les cendres de charbon

Also Published As

Publication number Publication date
JP2018141038A (ja) 2018-09-13
JP6456417B2 (ja) 2019-01-23

Similar Documents

Publication Publication Date Title
Cheah et al. The implementation of wood waste ash as a partial cement replacement material in the production of structural grade concrete and mortar: An overview
Melotti et al. A preliminary investigation into the physical and chemical properties of biomass ashes used as aggregate fillers for bituminous mixtures
Sua-Iam et al. Utilization of coal-and biomass-fired ash in the production of self-consolidating concrete: a literature review
Cheng Effect of incinerator bottom ash properties on mechanical and pore size of blended cement mortars
KR101214596B1 (ko) 시멘트 및 지오폴리머 결합재와 바텀애시 골재를 사용한 투수성 콘크리트 및 그 콘크리트 제품의 제조 방법
Kumar et al. Uses of bottom ash in the replacement of fine aggregate for making concrete
Sinsiri et al. Assessing the effect of biomass ashes with different finenesses on the compressive strength of blended cement paste
CN102515836B (zh) 碎石形凹凸棒粉煤灰陶粒
US20100137126A1 (en) Mixed product
Nascimento et al. Soil-cement brick with granite cutting residue reuse
JP2014094877A (ja) 土工資材組成物及び該組成物におけるフッ素溶出量を低減する方法
CN110041051A (zh) 一种河道底泥和建筑泥浆陶粒及其制备方法
CN1931774B (zh) 再生房渣石灰稳定土及其制备方法
JP6456417B2 (ja) 加液固化組成物および固化体
JP6042246B2 (ja) 土工資材組成物及び該組成物におけるフッ素溶出量を低減する方法
CN107265989A (zh) 一种旧二灰碎石复合材料及其作为路面基层的应用
KR101222212B1 (ko) 바텀애쉬를 주골재로 이용한 콘크리트 조성물 및 그 제조방법
KR101022895B1 (ko) 가로수 보호용 블록 및 그 제조방법
JPH0416534A (ja) スラグ・石炭灰の利用方法
CN106278032A (zh) 一种采用混凝土搅拌站废浆制备的低干燥收缩混凝土
KR100429669B1 (ko) 버톰 애쉬를 사용한 콘크리트 조성물
BRPI0707240B1 (pt) "processo para produção de um agente aglutinante de óleo".
Yusra et al. The Comparison of Compressive Strength of Normal Concrete with Artificial Lightweight Aggregate Concrete
JP2003340494A (ja) 加圧流動床石炭灰を用いた固化体及びその利用方法
JP6719089B2 (ja) 人工原料の製造方法、人工原料、及び粉体組成物

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18758449

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18758449

Country of ref document: EP

Kind code of ref document: A1