Method for preparing building material by using phosphogypsum
The invention relates to a method for preparing a building material by using phosphogypsum. The method comprises the steps of firstly, preparing a dry blend by using the phosphogypsum, aluminosilicate industrial residues, a calcium cementing material and aggregate, then adding water or water with a...
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| creator | JIN XIUZHI HAN TAO |
| description | The invention relates to a method for preparing a building material by using phosphogypsum. The method comprises the steps of firstly, preparing a dry blend by using the phosphogypsum, aluminosilicate industrial residues, a calcium cementing material and aggregate, then adding water or water with a dissolved activator to obtain a wet mixture, standing, carrying out static pressure molding, and finally, carrying out natural or steam curing to obtain an ultrahigh strength material. The method solves the problems that the phosphogypsum has more impurities and is difficult to utilize, and can be used for preparing the ultrahigh strength building material with high compressive strength by enabling the phosphogypsum to be coupled with a great deal of aluminosilicate industrial residues. The ultrahigh strength building material can be used for preparing various high-strength and high-durability products such as high strength building bricks, high strength road bricks, high strength water permeable bricks, road edge |
| format | Patent |
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The method comprises the steps of firstly, preparing a dry blend by using the phosphogypsum, aluminosilicate industrial residues, a calcium cementing material and aggregate, then adding water or water with a dissolved activator to obtain a wet mixture, standing, carrying out static pressure molding, and finally, carrying out natural or steam curing to obtain an ultrahigh strength material. The method solves the problems that the phosphogypsum has more impurities and is difficult to utilize, and can be used for preparing the ultrahigh strength building material with high compressive strength by enabling the phosphogypsum to be coupled with a great deal of aluminosilicate industrial residues. 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The method comprises the steps of firstly, preparing a dry blend by using the phosphogypsum, aluminosilicate industrial residues, a calcium cementing material and aggregate, then adding water or water with a dissolved activator to obtain a wet mixture, standing, carrying out static pressure molding, and finally, carrying out natural or steam curing to obtain an ultrahigh strength material. The method solves the problems that the phosphogypsum has more impurities and is difficult to utilize, and can be used for preparing the ultrahigh strength building material with high compressive strength by enabling the phosphogypsum to be coupled with a great deal of aluminosilicate industrial residues. 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The method comprises the steps of firstly, preparing a dry blend by using the phosphogypsum, aluminosilicate industrial residues, a calcium cementing material and aggregate, then adding water or water with a dissolved activator to obtain a wet mixture, standing, carrying out static pressure molding, and finally, carrying out natural or steam curing to obtain an ultrahigh strength material. The method solves the problems that the phosphogypsum has more impurities and is difficult to utilize, and can be used for preparing the ultrahigh strength building material with high compressive strength by enabling the phosphogypsum to be coupled with a great deal of aluminosilicate industrial residues. The ultrahigh strength building material can be used for preparing various high-strength and high-durability products such as high strength building bricks, high strength road bricks, high strength water permeable bricks, road edge</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE |
| title | Method for preparing building material by using phosphogypsum |
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