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US 12,442,089 B2Granted
Chemical reaction devices involving acid and/or base, and related systems and methods
AssigneeMassachusetts Institute of Technology
InventorsYet-Ming Chiang, Leah Ellis, Andres Badel, Isaac W. Metcalf
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Abstract
Chemical reaction devices involving acid and/or base, and related systems and methods, are generally described.
Claims20
A method comprising:
- producing an acid;
- dissolving a material comprising calcium and silicon with the acid to produce calcium ions;
- treating the calcium ions to produce solid calcium hydroxide and/or calcium oxide;
- and
- heating the solid calcium hydroxide and/or calcium oxide in a kiln to produce a cement.
2 more elements
A method comprising:
- producing an acid;
- dissolving a material comprising calcium oxide and silicon oxide with the acid to produce calcium ions;
- treating the calcium ions to produce solid calcium hydroxide and/or calcium oxide and a byproduct different from the calcium hydroxide and/or calcium oxide;
- and
- heating the solid calcium hydroxide and/or calcium oxide with silica, alumina, and/or silicate in a kiln to produce a cement.
2 more elements
Dependencies are inferred from the claim text.