WO2011071217A1 - 슬러지 폐기물을 이용한 경량 건축자재의 제조 방법 - Google Patents
슬러지 폐기물을 이용한 경량 건축자재의 제조 방법 Download PDFInfo
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- WO2011071217A1 WO2011071217A1 PCT/KR2010/003540 KR2010003540W WO2011071217A1 WO 2011071217 A1 WO2011071217 A1 WO 2011071217A1 KR 2010003540 W KR2010003540 W KR 2010003540W WO 2011071217 A1 WO2011071217 A1 WO 2011071217A1
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- sludge
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- feldspar
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- 239000010802 sludge Substances 0.000 title claims abstract description 44
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000004035 construction material Substances 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000010433 feldspar Substances 0.000 claims abstract description 28
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 16
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010457 zeolite Substances 0.000 claims abstract description 16
- 239000000440 bentonite Substances 0.000 claims abstract description 15
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 15
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010445 mica Substances 0.000 claims abstract description 15
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 10
- -1 loess Substances 0.000 claims abstract description 4
- 239000004566 building material Substances 0.000 claims description 44
- 238000010304 firing Methods 0.000 claims description 28
- 238000000465 moulding Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000035699 permeability Effects 0.000 abstract description 5
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 4
- 239000011147 inorganic material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 239000004927 clay Substances 0.000 description 9
- 239000010801 sewage sludge Substances 0.000 description 9
- 230000005484 gravity Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 239000010865 sewage Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
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- 235000019645 odor Nutrition 0.000 description 2
- 229910052604 silicate mineral Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000004332 deodorization Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052892 hornblende Inorganic materials 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
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- 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
- C04B18/18—Waste materials; Refuse organic
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- 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
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Definitions
- the present invention relates to a method for manufacturing lightweight building materials using sludge waste, and more particularly, to manufacturing lightweight building materials using sludge waste produced by adding feldspar, bentonite, zeolite, loess, mica and leadstone to sludge waste. It relates to a method and a lightweight building material produced thereby.
- the designated disposal site should not affect the soil or environment of the neighboring area, so the pretreatment and after-care are very strict, and therefore, a considerable expense is required. It is true.
- the lightweight aggregate thus produced has the advantage of not only reducing the specific gravity of the concrete used but also obtaining the effect of insulation and sound insulation at the same time due to the numerous pores inside the lightweight aggregate.
- Korean Patent No. 10-0859002 proposed a method of manufacturing artificial lightweight aggregate by crushing sewage sludge, coal fly ash and clay to 1 mm or less, and then molding and firing at 1100 ° C. to 1200 ° C. for 10 to 15 minutes.
- Patent 10-0450898 firstly dehydrated sewage sludge in the state of dehydrated cake for 24 hours, and then pulverized and mixed with clay, silica sand, gypsum and blast furnace slag powder to form, secondary drying process and 13 hours firing process at 900 °C ⁇ 1100 °C
- Various methods have been proposed in many patents, such as suggesting a method of manufacturing plastic construction materials, and these inventions have no effect of dissolution of heavy metals and have the effect of producing lightweight aggregates, but require a lot of energy and diversify products during the manufacturing process. It was difficult and there was a problem that the strength of the product using the residue after incineration was weak.
- the present inventors have made diligent efforts to solve the above problems, and when feldspar, bentonite, zeolite, ocher, mica and feldspar are added to the sludge waste, it can be confirmed that a lightweight construction material having excellent physical properties can be manufactured by a simple process.
- the present invention has been completed.
- the present invention is to provide a method for producing a lightweight building material using the sludge waste to recycle the waste sludge in a simple process to produce a lightweight building material with excellent properties.
- the present invention is 100 parts by weight of sludge waste, 10 to 60 parts by weight of feldspar, 30 to 110 parts by weight of bentonite, 40 to 100 parts by weight of zeolite, 40 to 110 parts by weight of ocher, 30 to 160 parts by weight of mica. And mixing 30-40 parts by weight of paurite; (b) molding the mixture; And (c) provides a method for manufacturing a lightweight building material using the sludge waste comprising the step of firing the molded building material to produce a variety of building materials.
- the present invention is also 100 parts by weight of sludge waste, 10 to 60 parts by weight of feldspar, 30 to 110 parts by weight of bentonite, 40 to 100 parts by weight of zeolite, 40 to 110 parts by weight of ocher, 30 to 160 parts by weight of mica and 30 to 40 of feldspar. It provides a light weight building material, characterized in that the weight portion.
- FIG. 1 is a view showing the appearance of floating pictures and water products of lightweight building materials according to the invention.
- Figure 2 shows the manufacturing process of the lightweight building material using the sewage sludge waste in the cake state according to the present invention.
- Figure 3 shows the compressive strength test results of Examples 1, 2 and 3 of lightweight building materials using sewage sludge waste in the cake state according to the present invention.
- Figure 4 shows a manufacturing process diagram of the lightweight building materials using the constant sludge waste of the cake state according to the invention.
- the present invention in one aspect, (a) 100 parts by weight of sludge waste, 10 to 60 parts by weight of feldspar, 30 to 110 parts by weight of bentonite, 40 to 100 parts by weight of zeolite, 40 to 110 parts by weight of ocher, 30 to 160 parts by weight of mica And mixing 30-40 parts by weight of paurite; (b) molding the mixture; And (c) relates to a method for manufacturing a lightweight building material using the sludge waste comprising the step of firing the molded building material to produce a variety of building materials.
- the lightweight building material refers to materials required for the construction of buildings or structures, such as lightweight bricks, sidewalk blocks, lightweight panels and lightweight aggregates.
- the sludge refers to sludge, etc., which is obtained by filtering and settling the material obtained from various steps of the sewage treatment process, the water intake pipe, and the raw water introduced from the intake well in the water purification process. Since sludge contains organic matter and its water content is high, until now, the sludge has been stabilized by anaerobic treatment and then dehydrated and landfilled, or treated by underwater dumping or pumping and then sent to the sea.
- the landfilling method has a difficulty in securing landfills due to the increase in the amount of sludge, and the method of throwing it into the sea has a disadvantage in that the treatment process is difficult and the possibility of environmental pollution cannot be completely excluded. Therefore, in the present invention, not only the economic effect was obtained by reducing the environmental pollution by providing a method of making lightweight building materials by recycling the sludge waste in a simplified process.
- feldspar is an aluminum silicate mineral, moss hardening is 6, specific gravity is 2 ⁇ 2.7, split in two directions of 90 °, white, gray, dark brown and the like.
- loess refers to a sediment mainly composed of particles having a diameter of 0.002 mm to 0.005 mm in silt size, yellowish brown color, not weathered, making a angular vertical wall, and mainly containing quartz, and other fluorite, hornblende Etc., and it is lime.
- ocher is added to improve the sintering ability to improve strength, obtain far-infrared emission effect and deodorization effect, reduce wear and tear by equipment, and save energy by lowering firing temperature. It showed an effect.
- bentonite refers to clays mainly containing montmorillonite, which is a mineral belonging to a monoclinic system having a mica-like crystal structure as a clay mineral formed by the alteration of fine glass particles derived from volcanic ash.
- the color is white, gray, light brown, light green, etc., and in the manufacture of building materials, the addition of bentonite can improve the folding and absorbing power.
- zeolite are words that are generically aluminum silicate hydrate the mineral of the alkaline and alkaline earth metals, (Si, Al) O 4 in which tetrahedrons, the large gaps present in the structure bonded to the three-dimensional mesh center Is characteristic. Many kinds but high water content, nature of crystal, ) And the like. Hardness does not exceed 6, specific gravity is about 2.2. Generally it is colorless transparent or white translucent. As it is a porous material, it improves the absorption of building materials to be manufactured, makes it possible to lighten the product, and removes odors.
- dust is solid particles present in air or gas. It is mainly caused by the work of solid exploding, breaking and cutting by mechanical action. Dust is also floating in the air by the action of volcanic eruptions, Barran, rock breakdown, weathering, meteorites, etc. ), Bacteria and the like. The particles range from slightly larger than 100 ⁇ m to around 0.01 ⁇ m. By applying dust to the production it is possible to reduce the content of clay can have the effect of saving manufacturing costs. In addition, it is possible to lower the firing temperature has the effect of saving energy, improve the sintering properties.
- Mica is an important coarse mineral in granite, which is a layered silicate mineral. Hardness 2.5-4, specific gravity 2.75-3.2, yellow, brown, green. It contains 2.82ppm of germanium (Ge), so the spectral distribution of far-infrared rays, which is beneficial to the human body, is high, so the far-infrared radiation is high.
- Ge germanium
- agalmatolite has a general chemical formula of Al 2 O 3 4SiO 2 H 2 O, and a theoretical content ratio of Al 2 O 3 : 28.3%, SiO 2 : 66.7%, and H 2 O: 5% Consists of There are various colors from white to green, specific gravity is 2.7 ⁇ 2.9, and hardness is very low as 1-2.
- feldspar By adding feldspar to the production of building materials, it induces a pozzolanic reaction with water, giving strength to building materials, improving water resistance and corrosion resistance, and absorbing noise and water.
- clay refers to fine soil particles having a diameter of 0.004 mm or less, and has a much larger surface area per unit weight than sand or silt, and thus retains moisture.
- a method for producing a light weight building material using sludge waste has 10 to 60 parts by weight of feldspar, 30 to 110 parts by weight of bentonite, 40 to 100 parts by weight of zeolite, and 40 to 110 parts by weight of clay based on 100 parts by weight of sludge waste. , 30 to 160 parts by weight of mica and 30 to 40 parts by weight of feldspar.
- the strength when added in less than 10 parts by weight, the strength may be lowered, and when added in excess of 60 parts by weight, a cost problem occurs.
- the absorbency of the product when added in less than 30 parts by weight, the absorbency of the product may be lowered, and when added in excess of 110 parts by weight, a cost problem occurs.
- the absorbency when the zeolite is added in less than 40 parts by weight, the absorbency may be lowered and the degree of weight reduction may be insufficient, and when added in excess of 100 parts by weight, the strength of the product may be weakened.
- the ocher when the ocher is added less than 40 parts by weight, energy loss due to a decrease in strength and an increase in the firing temperature may be exhibited, and when it is added in excess of 110 parts by weight, a cost problem occurs.
- the molding force when the mica is added in less than 30 parts by weight, the molding force may be lowered, and when added in excess of 160 parts by weight, a cost problem occurs.
- the strength when added in less than 30 parts by weight, the strength may be lowered, and when added in excess of 40 parts by weight, a cost problem occurs.
- the firing temperature when less than 10 parts by weight of dust is added, the firing temperature may be increased, and energy may be wasted, and when added in excess of 20 parts by weight, the strength may be weakened.
- the molding can be carried out in a conventional manner, preferably in a dry press and pressurized at a pressure of 1200 to 1500 tons.
- the firing process may be carried out by a conventional firing method such as tunnel kiln, kiln housework, etc., and the water permeability of the building material produced by adjusting the firing temperature is made at 1140 ⁇ 1190 °C 3 to 5 hours. It is decided. If the sintering temperature is less than 1140 ° C, the strength may be lowered. If the calcination temperature exceeds 1190 ° C, the permeability pores may be blocked and the water permeability decreases.
- a conventional firing method such as tunnel kiln, kiln housework, etc.
- the present invention sludge waste 100 parts by weight, feldspar 10-60 parts by weight, bentonite 30-110 parts by weight, zeolite 40-100 parts by weight, loess 40-110 parts by weight, mica 30-160 parts by weight and feldspar 30 It relates to a light weight building material, characterized in that ⁇ 40 parts by weight.
- Method for manufacturing lightweight building materials using sludge waste according to the present invention and the lightweight building materials manufactured by this process is carried out in the form of a cake by transporting the sludge waste in the form of a mixture without the pretreatment process, and then molded and fired to produce a lightweight building material drying process It has been shown to reduce water and energy, to suppress the generation of arsenic, dust and odor, and to be able to produce large quantities, and to control sludge and bubbles in various ways by mixing various inorganic materials, and to provide sludge recycled building materials with improved strength. do.
- the sewage sludge in the cake state was produced as a cake in a sewage treatment plant in Gwangju, Gyeonggi-do, and used immediately after mixing without any other treatment.
- Feldspar is composed of K 2 O 9 Na 2 O 3 SiO 2 , purchased with a particle size of 2m or less in critical mines, and loess was purchased and used with a particle size of 2mm or less in wind direction ocher Co., Ltd. It was purchased from SAL Green Co., Ltd. with a particle size of 3 mm or less.
- Zeolite was purchased from Salgreen Co., Ltd. and used as a particle size of about 375 mesh.
- the firing is made for 3 hours 30 minutes to 4 hours 30 minutes, the firing temperature is 1150 ⁇ 1190 °C, the firing temperature 1160 °C to become a light-permeable product and when fired in the range of 1180 ⁇ 1190 °C lightweight general Can produce bricks
- the comparative example showed more than equivalent results, and the specific gravity was measured to be low, and it can be seen that it can be used as a lightweight product. Absorption rate was different depending on the firing temperature, the absorption was measured to be low when firing at 1180 °C or more.
- the experimental results are shown in Table 2.
- the compressive strengths of Examples 1, 2 and 3 were tested by the KS F 4004: 2008 test method.
- Mica was purchased from Gyeongbuk Bonghwa with a particle size of 2 mm or less, and feldspar was purchased from Gyeongnam feldspar mine, and zeolite was purchased from Salgreen Co., Ltd. Feldspar was composed of K 2 O 9 Na 2 O 3 SiO 2 , purchased from a critical mine with a particle size of 2 m or less, and bentonite was purchased from Salgreen Co., Ltd. with a particle size of 3 mm or less.
- Firing temperatures up to 1180 ° C become permeable products, and firing at temperatures above 1180 ° C can produce products that are not permeable.
- the method for manufacturing lightweight building materials using sludge waste according to the present invention can recycle waste sludge, and by reducing or eliminating the process of drying, crushing and incineration, it saves energy and generates dioxin generated in the above process. Not only is it possible to prepare a lightweight building material with excellent strength and excellent permeability by mixing a specific inorganic material.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Treatment Of Sludge (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (4)
- 다음 단계를 포함하는, 슬러지 폐기물을 이용한 경량 건축자재의 제조 방법:(a) 슬러지 폐기물 100중량부, 장석 10~60중량부, 벤토나이트 30~110중량부, 제올라이트 40~100중량부, 황토 40~110중량부, 운모 30~160중량부 및 납석 30~40중량부를 혼합하여 혼합물을 제조하는 단계;(b) 상기 혼합물을 성형하는 단계; 및(c) 상기 성형된 건축자재를 소성하여 경량 건축자재로 제조하는 단계.
- 제1항에 있어서, 상기 (c)단계의 소성은 1140~1200℃의 온도에서 3~5시간 수행되는 것을 특징으로 하는 방법.
- 제 1항 또는 제 2항의 방법으로 제조된, 장석, 벤토나이트, 제올라이트, 황토, 운모 및 납석을 함유하는 경량 건축자재.
- 제 3항에 있어서, 슬러지 폐기물 100중량부, 장석 10~60중량부, 벤토나이트 30~110중량부, 제올라이트 40~100중량부, 황토 40~110중량부, 운모 30~160중량부 및 납석 30~40중량부를 함유하는 것을 특징으로 하는 경량 건축자재.
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US13/515,270 US8506702B2 (en) | 2009-12-11 | 2010-06-01 | Manufacturing method of lightweight construction materials using sludge waste |
JP2012543003A JP5658270B2 (ja) | 2009-12-11 | 2010-06-01 | スラッジ廃棄物を用いた軽量建設資材の製造方法 |
CN2010800612101A CN102781870B (zh) | 2009-12-11 | 2010-06-01 | 利用污泥废弃物的轻量建筑材料的制造方法 |
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KR1020090123481A KR101198327B1 (ko) | 2009-12-11 | 2009-12-11 | 슬러지 폐기물을 이용한 경량 건축자재의 제조 방법 |
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JP (1) | JP5658270B2 (ko) |
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RU2547523C1 (ru) * | 2014-04-08 | 2015-04-10 | Юлия Алексеевна Щепочкина | Сырьевая смесь для изготовления керамических изделий |
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KR101224101B1 (ko) * | 2012-07-25 | 2013-02-05 | (주)보다엔시스 | 산업폐기물을 이용한 경량 투수 블록 |
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- 2010-06-01 CN CN2010800612101A patent/CN102781870B/zh not_active Expired - Fee Related
- 2010-06-01 US US13/515,270 patent/US8506702B2/en not_active Expired - Fee Related
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CN111960829A (zh) * | 2019-06-03 | 2020-11-20 | 成都工业学院 | 一种可吸水渗水的陶瓷材料及其制备方法 |
Also Published As
Publication number | Publication date |
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CN102781870B (zh) | 2013-11-20 |
KR101198327B1 (ko) | 2012-11-06 |
KR20110066718A (ko) | 2011-06-17 |
US8506702B2 (en) | 2013-08-13 |
CN102781870A (zh) | 2012-11-14 |
JP2013513539A (ja) | 2013-04-22 |
US20130139732A1 (en) | 2013-06-06 |
JP5658270B2 (ja) | 2015-01-21 |
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