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US 11,932,578 B1Granted
Granite stone powder phosphoric acid-based geopolymer and preparation method thereof
AssigneeWuhan University of Technology
InventorsLiuyi Ren, Lu Zhang, Shenxu Bao, Yimin Zhang, Zhiming Qiu, Yuxiao Zhou
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Abstract
A granite stone powder phosphoric acid-based geopolymer and a preparation method thereof are provided. The granite stone powder phosphoric acid-based geopolymer is prepared from following raw materials in parts by weight: 35-70 parts of granite stone powder, 15-50 parts of metakaolin, 8-50 parts of fly ash, 8-30 parts of acid activation solution and 8-30 parts of solvent.
Claims7
A granite stone powder phosphoric acid-based geopolymer, wherein the granite stone powder phosphoric acid-based geopolymer is prepared from following raw materials in parts by weight:
- 35-70 parts of granite stone powder, 15-50 parts of metakaolin, 8-50 parts of fly ash, 8-30 parts of acid activation solution and 8-30 parts of solvent;
- wherein
- a particle size D50 of the granite stone powder is 20-30 μm;
- the fly ash is F-type fly ash, the main chemical components of the fly ash are:
- SiO2 30-55%, Al2O3 20-30%, Fe2O3 3-6%, CaO 3-6% and SO3 0.5-3% by mass percentage;
- a mass ratio of the metakaolin to the fly ash is 1:(0.4-2);
- the acid activation solution is a mixed solution of sulfuric acid and phosphoric acid;
- a concentration of the sulfuric acid is 16-19M;
- a concentration of the phosphoric acid is 12-18M;
- a mass ratio of the sulfuric acid to the phosphoric acid is 1:(19-26);
- and
- the solvent is water.
9 more elements
Dependencies are inferred from the claim text.