Manufactured natural pozzolan, improved manufactured natural pozzolan-based cement and method of making and using same
First Claim
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1. A composition comprising:
- a first mineral in particulate form having a volume-based average particle size of approximately 15 to approximately 60 μ
m and having a first pozzolanic reactivity, wherein the first mineral comprises;
approximately 45% to approximately 55% by weight SiO2 approximately 5% to approximately 15% Al2O3, approximately 5% to approximately 20% Fe2O3 and approximately 1% to approximately 20% CaO; and
an amorphous content of less than or equal to 25% by weight and approximately 5% to approximately 60% by weight Plagioclase Feldspar; and
a second mineral in particulate form and having a second pozzolanic reactivity greater than the first mineral pozzolanic reactivity, wherein the second mineral is Metakaolin having a volume-based average particle size of approximately 0.1 to approximately 10 μ
m and wherein particles of the second mineral are disposed on the surface of the first mineral.
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Abstract
The present invention comprises a product. The product comprises a first mineral in particulate form and having a first pozzolanic reactivity and a second mineral in particulate form and having a second pozzolanic reactivity greater than the first reactivity, wherein the surface of at least some of the particles of the first mineral is at least partially covered with particles of the second mineral. A method of making the composition of the present invention is also disclosed.
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Citations
15 Claims
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1. A composition comprising:
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a first mineral in particulate form having a volume-based average particle size of approximately 15 to approximately 60 μ
m and having a first pozzolanic reactivity, wherein the first mineral comprises;approximately 45% to approximately 55% by weight SiO2 approximately 5% to approximately 15% Al2O3, approximately 5% to approximately 20% Fe2O3 and approximately 1% to approximately 20% CaO; and an amorphous content of less than or equal to 25% by weight and approximately 5% to approximately 60% by weight Plagioclase Feldspar; and a second mineral in particulate form and having a second pozzolanic reactivity greater than the first mineral pozzolanic reactivity, wherein the second mineral is Metakaolin having a volume-based average particle size of approximately 0.1 to approximately 10 μ
m and wherein particles of the second mineral are disposed on the surface of the first mineral. - View Dependent Claims (2, 3, 4, 5)
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6. A composition comprising:
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a first mineral in particulate form having a volume-based average particle size of approximately 15 to approximately 60 μ
m and having a first pozzolanic reactivity, wherein the first mineral comprises;approximately 45% to approximately 55% by weight SiO2 approximately 5% to approximately 15% Al2O3, approximately 5% to approximately 20% Fe2O3 and approximately 1% to approximately 20% CaO; and an amorphous content of less than or equal to 25% by weight and approximately 5% to approximately 60% by weight Plagioclase Feldspar; and a second mineral in particulate form and having a second pozzolanic reactivity greater than the first mineral pozzolanic reactivity, wherein the second mineral is silica fume having a volume-based average particle size of approximately 0.1 to approximately 10 μ
m and wherein particles of the second mineral are disposed on the surface of the first mineral. - View Dependent Claims (7, 8, 9, 10)
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11. A composition comprising:
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a first mineral in particulate form having a volume-based average particle size of approximately 15 to approximately 60 μ
m and having a first pozzolanic reactivity, wherein the first mineral comprises;approximately 45% to approximately 55% by weight SiO2 approximately 5% to approximately 15% Al2O3, approximately 5% to approximately 20% Fe2O3 and approximately 1% to approximately 20% CaO; and an amorphous content of less than or equal to 25% by weight and approximately 5% to approximately 60% by weight Plagioclase Feldspar; and a second mineral in particulate form and having a second pozzolanic reactivity greater than the first mineral pozzolanic reactivity, wherein the second mineral is aluminasilicate comprising approximately 50% to approximately 80% SiO2, approximately 5% to approximately 45% Al2O3 and having a volume-based average particle size of approximately 0.1 to approximately 10 μ
m and wherein particles of the second mineral are disposed on the surface of the first mineral. - View Dependent Claims (12, 13, 14, 15)
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Specification
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Current AssigneeRomeo Ilarian Ciuperca
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Original AssigneeRomeo Ilarian Ciuperca
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InventorsCiuperca, Romeo Ilarian
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Primary Examiner(s)McDonough, James E
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Application NumberUS15/840,304Publication NumberTime in Patent Office258 DaysField of Search106721, 106718, 106713, 106638US Class CurrentCPC Class CodesC04B 14/106 KaolinC04B 14/14 Minerals of vulcanic origin...C04B 18/146 Silica fumeC04B 20/1066 Oxides, HydroxidesC04B 20/1074 Silicates, e.g. glassC04B 2111/00215 Mortar or concrete mixtures...C04B 28/04 Portland cementsC04B 40/0042 Powdery mixturesY02W 30/91 Use of waste materials as f...
