EP2076471A1 - Procédé de fabrication de matériaux de construction utilisant les boues d'une installation d'adduction d'eau - Google Patents

Procédé de fabrication de matériaux de construction utilisant les boues d'une installation d'adduction d'eau

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Publication number
EP2076471A1
EP2076471A1 EP07833347A EP07833347A EP2076471A1 EP 2076471 A1 EP2076471 A1 EP 2076471A1 EP 07833347 A EP07833347 A EP 07833347A EP 07833347 A EP07833347 A EP 07833347A EP 2076471 A1 EP2076471 A1 EP 2076471A1
Authority
EP
European Patent Office
Prior art keywords
weight
sludge
waterworks
mixing
cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP07833347A
Other languages
German (de)
English (en)
Other versions
EP2076471A4 (fr
Inventor
Dai Youn Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2076471A1 publication Critical patent/EP2076471A1/fr
Publication of EP2076471A4 publication Critical patent/EP2076471A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C04B28/14—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 calcium sulfate cements
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/26—Carbonates
    • C04B14/28—Carbonates of calcium
    • 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
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse ; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • 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
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/6261—Milling
    • C04B35/62615—High energy or reactive ball milling
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
    • C04B2235/3445—Magnesium silicates, e.g. forsterite
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/448—Sulphates or sulphites
    • 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
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the present invention relates to a soundproof construction composition using waterworks sludge and a method for preparing the same. More specifically, the invention relates to a soundproof construction composition using waterworks sludge, which is prepared by first firing waterworks sludge at 800 0 C to obtain a first processed material, and forming many pores within a body prepared by using the first processed material, through a chemical foaming method in which hydrogen gas is generated by reaction of aluminum powder with an acid or an alkali, and a method for preparing the same.
  • a porous inorganic product can be considered to be an interesting field in terms of the manufacture of a soundproof product in that the expression of the feel of surfaces can be extended due to various pores scatteringly formed on the surface, resistance against injury due to quick drying, quick heating or quick cooling during drying or firing process of a product can be increased, the shape of the fired product can be changed like cutting fire-resistant adiabatic brick with a saw and processing it, and the form of the product can be widely pursued, particularly the weight of the product can be decreased in large soundproof product since the body is in a slip state and the range of selecting the material of a pouring mold is wide like wood, vinyl, Styrofoam, etc.
  • Such a porous inorganic material is mostly manufactured artificially, for example, a chemical foaming method using aluminum powder as a foaming agent is widely used.
  • Korean Patent No. 10-0327944 discloses a manufacturing method of an artificial culture soil and artificial culture soil fertilizer using water sludge.
  • Korean Patent No. 10-0625172 discloses a manufacturing method of soil concrete and soil concrete block using expansive agent or hydro-depository agent wherein clay including loess, sandy soil including polishing sand, paper sludge, water sludge, stone dust, expansive cement, sodium alginate, aggregate, cement, and at least one resin selected from the group consisting of polyethylene resin, polystyrene resin, polypropylene resin, melamine resin and fluorine resin are applied on the soil concrete.
  • Korean Patent Laid-Open Publication No. 10-1999-0007639 discloses a ceramic composition comprising 75 parts by weight of solid waste, 15 to 45 parts by weight of fly ash and 5 to 55 parts by weight of clay, and a method of manufacturing the same.
  • Korean Patent Laid-Open Publication No. 10-2001-0008071 discloses clay brick, clay block for footpath-roadway manufactured by adding kaolin and clay to water sludge and stirring them, then pressing them with high pressure press and drying them, and then heating them, and a method of manufacturing the same.
  • Korean Patent Laid-Open Publication Nos. 10-1992-0000655 and 10-1997-0005872 disclose ondol magnetic composition consisting of elvan and mica and possessing magnetic force, and a method of manufacturing construction material.
  • Korean Patent Laid-Open Publication No. 10-1997-0001067 discloses a glaze composition for treating a ceramic vessel to treat surfaces of ceramic material such as chinaware.
  • Korean Patent Laid-Open Publication No. 10-1997-0010301 discloses a process for manufacturing far- infrared radiating ceramic essentially consisting of elvan and having strong radiating characteristic generating far-infrared ray.
  • Korean Patent Laid-Open Publication No. 10-1995-0023626 discloses a mortar composition comprising elvan and cement in the ratio of 3.2: 1.
  • Korean Patent Laid-Open Publication No. 10-1993-0019580 discloses a knockdown warming ondol panel manufactured by combining natural inorganic mineral sericite ore in which germanium mineral is contained and elvan mineral with cement and refining them.
  • the present invention has been made in an effort to solve the problems occurring in the prior art. It is an object of the invention to provide a soundproof construction composition using waterworks sludge that increases beneficial effects such as soundproof, moistureproof, heat protection and no environmental pollution by solving the problems of a soundproofing material for a polymer completely, and a method for preparing the same, as an improvement of Korean Patent No. 10-622394 (Application No. 10-2004-56950) and Korean Patent No. 10-663235 (Application No. 10-2004-56949) entitled "A method of preparing a construction material using waterworks sludge” and "A composition of construction material using waterworks sludge and a method of preparing the same," respectively.
  • Technical Solution
  • the product manufactured like this has characteristics that it is easy to dry it, its resistance against quick heating or cooling is strong, it is lightweight and its soundproof effect is superior, and it causes no environmental pollution and its adiabatic effect is increased due to its high heat resistance compared to prior art soundproofing material having low adiabatic property and environmental pollution problem.
  • the product according to the present invention can increase beneficial effects such as soundproof, moistureproof, heat protection, no environmental pollution by solving the problems of the prior art soundproof material completely by:
  • a porous body is chemically foamed by generating hydrogen gas through reaction of aluminum powder with an acid or an alkali after slipping the body.
  • the porous body can express the feel of surface naturally by pores contained in everywhere of the surface, the material of a pouring mold can be employed in organic material such as vinyl, and the porous body is effective in manufacturing large soundproof product since it is dried easily, has strong resistance against quick heating or cooling, and the weight of a product made therefrom is lightweight.
  • a soundproof construction composition using waterworks sludge having a total contraction rate of 8-10% and an apparent porosity of 50-52%, which is manufactured by mixing 22% by weight of a first processed clean water sludge made by firing waterworks sludge for 3-5 hours at 800°C-850°C, with 18% by weight of clay, 36% by weight of terra alba, 14% by weight of agalmatolite, and 10% by weight of dolomite to obtain a body, mixing 31.5% by weight of the body with 2.3% by weight of calcined gypsum, 11.3% by weight of cement, 0.05% by weight of aluminum powder, 0.5% by weight of starch, 0.5% by weight of titanium dioxide to prepare a powdery mixture, and mixing the powdery mixture with 10.8% by weight of phosphoric acid and 43.05% by weight of water, stirring the resultant mixture, and firing it at 1100 0 C in heating furnace, and
  • the body according to the present invention was chinaware body fired at 1100 0 C, phosphoric acid fluid was used in acid reaction foaming and sodium hydroxide was used in alkali reaction foaming as a foaming promoter. Further, a dispersant and a foam stabilizer were used as other aids.
  • the concentration of the body slip suitable for foaming is decided, the effect of the calcined gypsum and cement on setting-hardening reaction of the slip and the combination rate are elicited, and its handling strength and firing property were examined.
  • the present inventors observed forming possibility and drying and firing state, and investigated the compatibility with glaze when using rag or Styrofoam rather than gypsum as a mold in setting-hardening reaction of porous body with manu- facturing a trial product.
  • aluminum powder reacts with an acid or an alkali, hydrogen gas is generated, thereby forming foam and forming many pores within the body. Therefore, three points of component, fineness and particle type are uniform, non-oxidized state is important, and large specific surface area is preferable, i.e., the fineness is less than 50 micros.
  • a foam promoter such as sodium hydroxide, a surfactant and a foam stabilizer are preferably used in combination with aluminum powder.
  • Such other aids are described below.
  • a foaming agent disperses each component in the slip.
  • a surfactant such as an organic acid, e.g., lignin-sulfonate, and a polymer counteragent is used, but the dispersant may not be used in the present invention.
  • a foam stabilizer stabilizes foam within slip, prevents foam from aggregating and distributes uniformly. Saponin, protective colloid or starch, etc. were used as such a foam stabilizer.
  • a hardening accelerator is a dilute slip containing much water in body raw material, and thus has strength through setting-hardening reaction of cement rather than drying. At this time, calcium oxide, its salt and water glass, etc. were used for shortening the setting time.
  • a first process processing of a first processed clean water sludge
  • the basic body used in this experiment was a chinaware body fired at 1100 0 C using the first processed waterworks sludge, and its combination rate was as follows.
  • the particle size of the body was such that residual amount is less than 1% when the body was passed through a 200-mesh sieve.
  • Aluminum powder used as a foaming agent is a product available at H-non-iron powder company and is employed in paints, etc.
  • Dish cleaner which is a surfactant was used as a dispersant
  • starch was used as a foam stabilizer
  • calcined gypsum was the second grade product of M-chemistry
  • general Portland cement was used as a cement
  • sodium hydroxide and phosphoric acid aqueous solution were commercially available industrial products.
  • a body was dried and pulverized, and then passed through a 20-mesh sieve. The resultant body in powdery state was used. Calcined gypsum and cement were also sieved through 20-mesh sieve, and ultimately their powder in no mass state was used.
  • the raw material used in the experiment is categorized into solid in powder state and liquid such as water or phosphoric acid. Combining the raw material was performed in principle by first mixing solid with solid and mixing liquid with liquid, and then putting solid sample in liquid sample. The soluble material such as sodium hydroxide was first dissolved in water.
  • Aluminum powder which is a foaming agent, was dispersed in water in a state well mixed with a surfactant.
  • the weight of the test piece was such that the total amounts of the three raw materials, i.e., a body, calcined gypsum and cement are 50g.
  • Other aids such as a foaming promoter were additives.
  • Foaming temperature and drying [59] The foaming reaction of the sample was well performed at ambient temperature in acid foaming, and at 60-80 0 C for promoting foaming in alkali foaming. The apparatus at this time was constant temperature dryer.
  • test pieces were taken out and naturally dried when some were dried with setting-hardening in a state being separable from a container such as a beaker.
  • a porous body is chemically foamed by generating hydrogen gas through reaction of aluminum powder with an acid or an alkali after slipping the body.
  • the porous body can express the feel of surface naturally by pores contained in everywhere of the surface, the material of a pouring mold can be employed in organic material such as vinyl, and the porous body is effective in manufacturing large soundproof product since it is dried easily, has strong resistance against quick heating or cooling, and the weight of a product made therefrom is lightweight.
  • this experiment forms many pores on the body by acid reaction and alkali reaction.
  • the range of selecting the pouring mold is widen, the foaming reaction is well achieved at ambient temperature, and the acid reaction foaming is good so that the feel of surface may be natural since pores having various sizes are contained in everywhere of the surface, wherein the combining rate by weight is as follows:
  • the fired porous soundproof material has about 8-10% of total contraction rate and about an apparent porosity of 50-52%.
  • a porous body according to the present invention is chemically foamed by generating hydrogen gas through reaction of aluminum powder with an acid or an alkali after slipping the body.
  • the porous body can express the feel of surface naturally by pores contained in everywhere of the surface, the material of a pouring mold can be employed in organic material such as vinyl, and the porous body is effective in manufacturing large soundproof product since it is dried easily, has strong resistance against quick heating or cooling, and the weight of a product made therefrom is lightweight.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treatment Of Sludge (AREA)

Abstract

La présente invention concerne une composition de construction insonorisante utilisant les boues d'une installation d'adduction d'eau et un procédé de préparation correspondant. La composition de construction insonorisante utilisant les boues d'une installation d'adduction d'eau est produite selon un procédé consistant à mélanger 22 % en poids d'une première boue d'eau propre traitée obtenue par cuisson de la boue de l'installation d'adduction d'eau pendant 3 à 5 heures à une température comprise entre 800°C et 850°C avec 18% en poids d'argile, 36% en poids de terra alba, 14% en poids d'agalmatolite et 10% en poids de dolomite pour obtenir un corps; à mélanger 31,5% en poids du corps avec 2,3% en poids de gypse calciné, 11,3% en poids de ciment, 0,05% en poids de poudre d'aluminium, 0,5% en poids d'amidon, 0,5% en poids de dioxyde de titane pour préparer un mélange poudreux; et à mélanger le mélange poudreux avec 10,8% en poids d'acide phosphorique et 43,05 % en poids d'eau.
EP20070833347 2006-10-16 2007-10-15 Procédé de fabrication de matériaux de construction utilisant les boues d'une installation d'adduction d'eau Ceased EP2076471A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20060100130A KR100863139B1 (ko) 2006-10-16 2006-10-16 상수원 슬러지를 이용한 방음 건축조성물 및 그 제조방법
PCT/KR2007/005038 WO2008048025A1 (fr) 2006-10-16 2007-10-15 Procédé de fabrication de matériaux de construction utilisant les boues d'une installation d'adduction d'eau

Publications (2)

Publication Number Publication Date
EP2076471A1 true EP2076471A1 (fr) 2009-07-08
EP2076471A4 EP2076471A4 (fr) 2012-07-11

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Application Number Title Priority Date Filing Date
EP20070833347 Ceased EP2076471A4 (fr) 2006-10-16 2007-10-15 Procédé de fabrication de matériaux de construction utilisant les boues d'une installation d'adduction d'eau

Country Status (6)

Country Link
EP (1) EP2076471A4 (fr)
KR (1) KR100863139B1 (fr)
CN (1) CN101528628B (fr)
AU (1) AU2007311917B2 (fr)
CA (1) CA2663806C (fr)
WO (1) WO2008048025A1 (fr)

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KR100835531B1 (ko) * 2007-07-13 2008-06-09 허재수 산성폐수 중화제 및 유해가스 흡착제용 경소도로마이트슬러리의 제조방법
KR101171787B1 (ko) 2010-03-25 2012-08-13 조대연 정수슬러지 몰탈 및 그를 이용한 타일의 제조방법
CN113480279B (zh) * 2021-08-09 2022-03-29 艾思尔信息科技(上海)有限公司 一种利用铝箔污泥基胶凝材料及其制备方法
CN113636815B (zh) * 2021-08-17 2022-12-30 武汉源锦商品混凝土有限公司 一种基于固废回收利用的生态混凝土
KR102649566B1 (ko) * 2023-11-20 2024-03-20 이수산업(주) 폐점토 및/또는 도석을 포함하는 시멘트 치환재, 이의 제조방법, 이를 포함하는 시멘트 조성물, 모르타르 및 콘크리트

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038237A (zh) * 1987-12-05 1989-12-27 嵊县崇仁镇第二建筑材料厂 微孔轻质空心砖的制造工艺
KR960010099A (ko) * 1994-09-01 1996-04-20 김판채 정수장 슬러지의 처리방법
JPH10259045A (ja) 1997-03-17 1998-09-29 Nippon Mizushiyori Giken:Kk 製紙廃水スラッジからなる新建材用原料
US5824148A (en) * 1997-05-16 1998-10-20 Cornwell; Charles E. Sound absorbing cementitious composition and method of making same
US5853474A (en) * 1997-06-02 1998-12-29 Conversion Systems, Inc. Use of stabilized EAFD as a raw material in the production of a portland cement clinker
US20020095817A1 (en) * 1997-12-29 2002-07-25 Lars-Olov Svedberg Method for treatment of sludge from water works
JP2002097062A (ja) 2000-09-20 2002-04-02 Kajima Corp 上水汚泥廃棄物を主原料としたセラミックス製品の製造方法
KR100420246B1 (ko) * 2001-04-04 2004-03-02 (주)티에이엔 흡음 및 차음 모듈용 경량 다공성 골재 및 그 제조방법
KR100520468B1 (ko) * 2003-06-16 2005-10-11 곽문근 폐고무분말과 유기성 슬러지를 원료로 한 경량단열 층간소음방지 패널의 제조방법 및 이를 이용한 층간 바닥구조
FR2867186B1 (fr) * 2004-03-04 2006-10-06 Valorisation Ceramique Du Pays Procede de fabrication d'elements de construction incorporant des boues d'epuration
KR100663235B1 (ko) * 2004-07-21 2007-01-02 조대연 정수 슬러지를 이용한 건축자재의 조성물 및 그 제조방법

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WO2008048025A1 (fr) 2008-04-24
CN101528628B (zh) 2012-03-21
CA2663806C (fr) 2015-01-27
CA2663806A1 (fr) 2008-04-24
AU2007311917A1 (en) 2008-04-24
CN101528628A (zh) 2009-09-09
KR20080034228A (ko) 2008-04-21
EP2076471A4 (fr) 2012-07-11
AU2007311917B2 (en) 2011-02-24

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