CN112010577A - Copper slag-based polymer and preparation method thereof - Google Patents
Copper slag-based polymer and preparation method thereof Download PDFInfo
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- CN112010577A CN112010577A CN202010872514.1A CN202010872514A CN112010577A CN 112010577 A CN112010577 A CN 112010577A CN 202010872514 A CN202010872514 A CN 202010872514A CN 112010577 A CN112010577 A CN 112010577A
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- copper slag
- based polymer
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 100
- 239000010949 copper Substances 0.000 title claims abstract description 100
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 239000002893 slag Substances 0.000 title claims abstract description 95
- 229920000642 polymer Polymers 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 26
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052681 coesite Inorganic materials 0.000 claims description 10
- 229910052906 cristobalite Inorganic materials 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 229910052682 stishovite Inorganic materials 0.000 claims description 10
- 229910052905 tridymite Inorganic materials 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229920000876 geopolymer Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 18
- 239000003755 preservative agent Substances 0.000 description 14
- 230000002335 preservative effect Effects 0.000 description 14
- 238000007789 sealing Methods 0.000 description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 229910052593 corundum Inorganic materials 0.000 description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 description 8
- 239000011083 cement mortar Substances 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000009853 pyrometallurgy Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052840 fayalite Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- 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
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/144—Slags from the production of specific metals other than iron or of specific alloys, e.g. ferrochrome slags
-
- 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
- C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Glass Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a copper slag-based polymer and a preparation method thereof, wherein the copper slag-based polymer comprises the following components in parts by weight: 100 parts of copper slag powder and 5-11 parts of water glass; the preparation method of the copper slag-based polymer comprises the steps of mixing the raw materials with water, adding the mixture into a mold, carrying out vibration molding, carrying out constant-temperature curing at 35-45 ℃ for 24 hours, demolding, and continuing constant-temperature curing at 35-45 ℃ for 28 days to obtain the copper slag-based polymer; the copper slag-based polymer prepared by the method has good mechanical properties, the utilization rate of the copper slag is improved, waste is turned into wealth, and environmental pollution is reduced.
Description
Technical Field
The invention relates to a copper slag-based polymer and a preparation method thereof, belonging to the technical field of solid waste copper slag pollution treatment and building materials.
Background
At present, the domestic copper smelting process is mainly a pyrometallurgical process, and the pyrometallurgical process of copper can generate a large amount of copper slag. Removing a large amount of Fe from copper slag2O3、SiO2、MgO、Al2O3Besides, the alloy also contains a small amount of heavy metals such as Cu, Pb, Mn and the like. The main mineral phase is fayalite (Fe)2SiO4) And magnetite (Fe)3O4). According to the calculation of discharging 2.2t of copper slag per 1t of produced refined copper in the copper smelting process, the current practical situation of China is that the discharge amount of the copper slag exceeds 1000 million t per year, the accumulated stacking amount reaches 1.2 million tons, and the stacking of a large amount of copper slag occupies land, pollutes the environment and simultaneously causes huge resource waste. Aiming at the comprehensive utilization of copper slag, scholars at home and abroad carry out a great deal of research, and the utilization mode mainly comprises two aspects of recovering valuable metals and producing building materials. However, the recovery of valuable metals has the problems of high energy consumption, unsatisfactory utilization (recovery) rate, technical improvement, possibility of secondary pollution and the like; the problems of low copper slag mixing amount, small reduction influence, difficult industrialization and the like exist in the production of building materials and the like, and the production is in a laboratory stage.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a copper slag-based geopolymer, which improves the utilization rate of copper slag, effectively utilizes resources, changes waste into valuable and reduces environmental pollution on the basis of better mechanical properties of the geopolymer.
The copper slag-based polymer comprises the following components in parts by weight: 100 parts of copper slag powder and 5-11 parts of water glass.
The copper slag is electric furnace waste slag discharged from a copper smelting plant and comprises the following components: fe2O3、SiO2、MgO、Al2O3CaO, ZnO, Fe in copper slag2O3And SiO2The sum of the masses of (a) and (b) is greater than 80%.
The copper slag powder is prepared by drying copper slag at 75-85 ℃, grinding and sieving by a 80-mesh sieve, wherein the balance of the sieve is less than 2%.
The modulus of the water glass is 0.8-2.0.
The invention also provides a preparation method of the copper slag-based polymer, which comprises the steps of weighing 100 parts of copper slag powder and 5-11 parts of water glass, adding 15-20 parts of water, uniformly mixing and stirring at normal temperature, adding into a mold, carrying out vibration molding, carrying out constant-temperature maintenance at 35-45 ℃ for 24 hours (wrapping with a preservative film to prevent water from volatilizing), demolding, and continuing constant-temperature maintenance at 35-45 ℃ for 28 days (wrapping with a preservative film, sealing with a self-sealing bag to prevent water from volatilizing), thus obtaining the copper slag-based polymer.
The invention has the advantages and positive effects that:
according to the invention, the electric furnace copper slag discharged from a copper smelter is ground, and the obtained copper slag powder is activated by water glass to prepare a copper slag base polymer, so that the stockpiling of solid copper slag is reduced, the purposes of energy conservation and emission reduction are achieved, and the strategy of sustainable development in China and the development concept that green water Qingshan is Jinshan Yinshan are met; the copper slag-based polymer prepared by the method has the advantages of high early strength, high strength, stability at high temperature, frost resistance, acid corrosion resistance, impermeability and the like; the method fully utilizes the industrial solid waste slag, is simple and easy to implement, reduces the material cost, realizes the large-scale utilization of the copper slag, saves land resources and reduces environmental pollution.
Detailed Description
The present invention is further illustrated by the following examples, but the technical contents of the present invention are not limited to the scope.
Example 1: the copper slag-based polymer in this embodiment contains 110g of copper slag powder and 5.5g of water glass (modulus is 0.8), and the copper slag in this embodiment mainly comprises: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 75 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 35 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; and (4) demolding the product the next day (after 24 h), and continuously maintaining the product in a drying oven at the constant temperature of 35 ℃ for 28 days (wrapping the product by using a preservative film, sealing a self-sealing bag to prevent moisture from volatilizing), thereby obtaining the copper slag-based polymer.
The results of the compressive strength test of the copper slag-based polymer of this example are shown in the following table:
example 2: the copper slag-based polymer in this embodiment contains 110g of copper slag powder and 8.8g of water glass (modulus is 0.8), and the copper slag in this embodiment mainly comprises: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 80 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 40 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; and (4) demolding the product the next day (after 24 h), and continuously maintaining the product in a drying oven at the constant temperature of 40 ℃ for 28 days (wrapping the product by using a preservative film, sealing a self-sealing bag to prevent moisture from volatilizing), thereby obtaining the copper slag-based polymer.
The results of the compressive strength test of the copper slag-based polymer of this example are shown in the following table:
example 3: the copper slag-based polymer in this embodiment contains 110g of copper slag powder and 12.1g of water glass (modulus is 0.8), and the copper slag in this embodiment mainly comprises: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 85 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 45 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; and (4) demolding the product the next day (after 24 h), and continuously maintaining the product in a drying oven at the constant temperature of 45 ℃ for 28 days (wrapping the product by using a preservative film, sealing a self-sealing bag to prevent moisture from volatilizing), thereby obtaining the copper slag-based polymer.
The results of the compressive strength test of the copper slag-based polymer of this example are shown in the following table:
example 4: the copper slag-based polymer in this embodiment contains 110g of copper slag powder and 5.5g of water glass (modulus is 2.0), and the copper slag in this embodiment mainly comprises: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 75 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 35 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; after demoulding for the next day (after 24 h), continuously maintaining for 28 days in a drying oven at the constant temperature of 35 ℃ (wrapping by a preservative film, sealing by a self-sealing bag to prevent moisture from volatilizing) to obtain the copper slag-based polymer;
the results of the compressive strength test of the copper slag-based polymer of this example are shown in the following table:
example 5: the copper slag-based polymer of this example contained 110g of copper slag powder,8.8g of water glass (modulus 2.0), the main composition of the copper slag in this example is: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 80 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 40 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; after demoulding for the next day (after 24 h), continuously maintaining for 28 days in a drying oven at the constant temperature of 40 ℃ (wrapping by a preservative film, sealing by a self-sealing bag to prevent moisture from volatilizing) to obtain the copper slag-based polymer;
the results of the compressive strength test of this example are shown in the following table:
example 6: the copper slag-based polymer in this embodiment contains 110g of copper slag powder and 12.1g of water glass (modulus is 2.0), and the copper slag in this embodiment mainly comprises: fe2O3 58.09%、SiO2 22.84%、MgO 4.99%、Al2O33.40 percent, CaO 3.28 percent and ZnO 1.67 percent; the copper slag powder is prepared by drying copper slag at 85 ℃ for 24h, grinding by using a roller ball mill, and sieving by using a 80-mesh sieve, wherein the balance of the sieve is less than 2%;
adding 20.9g of water into the copper slag powder and the water glass, mixing and stirring uniformly at normal temperature, adding the mixture into a six-joint test mould (20 mm multiplied by 20 mm), vibrating and molding on a cement mortar vibrating table, leveling by a scraping ruler, and maintaining at constant temperature of 45 ℃ in a drying box (wrapping by a preservative film to prevent moisture from volatilizing) to form a test piece; after demoulding for the next day (after 24 h), continuously maintaining for 28 days in a drying oven at the constant temperature of 45 ℃ (wrapping by a preservative film, sealing by a self-sealing bag to prevent moisture from volatilizing) to obtain the copper slag-based polymer;
the test results of the compressive strength of the copper slag-based polymer in the embodiment are as follows:
the above-described embodiments are only some of the preferred embodiments of the present invention, and variations and substitutions which are within the scope of the present invention and which are made by those skilled in the art are also intended to be included in the scope of the present invention.
Claims (5)
1. The copper slag-based polymer is characterized by comprising the following components in parts by weight: 100 parts of copper slag powder and 5-11 parts of water glass.
2. The copper slag-based polymer according to claim 1, wherein: the copper slag powder is prepared by drying copper slag at 75-85 ℃, grinding and sieving by a 80-mesh sieve, wherein the sieve residue is less than 2%.
3. The copper slag-based polymer according to claim 2, wherein: fe in copper slag2O3And SiO2The sum of the masses of (a) and (b) is greater than 80%.
4. The copper slag-based polymer according to claim 1, wherein: the modulus of the water glass is 0.8-2.0.
5. The method for producing a copper slag-based polymer according to any one of claims 1 to 4, wherein: weighing 100 parts of copper slag powder and 5-11 parts of water glass, adding water, mixing and stirring uniformly at normal temperature, adding into a mold, carrying out vibration molding, carrying out constant-temperature curing at 35-45 ℃ for 24 hours, demolding, and continuing to carry out constant-temperature curing at 35-45 ℃ for 28 days to obtain the copper slag-based geopolymer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113480245A (en) * | 2021-07-16 | 2021-10-08 | 福建农林大学 | Geopolymer pervious concrete and preparation method thereof |
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2020
- 2020-08-26 CN CN202010872514.1A patent/CN112010577B/en active Active
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| EP1838641A1 (en) * | 2005-01-07 | 2007-10-03 | Jong-Won Park | Method of producing recycled hardened materials using waste gypsum |
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| CN109231860A (en) * | 2018-09-26 | 2019-01-18 | 长安大学 | A kind of cementitious material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480245A (en) * | 2021-07-16 | 2021-10-08 | 福建农林大学 | Geopolymer pervious concrete and preparation method thereof |
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