Methods and compositions using calcium carbonate and stabilizer
First Claim
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1. A composition, comprising at least 50% w/w activated vaterite and between 0.1-0.6 wt % stabilizer wherein the stabilizer comprises the stabilizer incorporated in crystal lattice of the activated vaterite and wherein the stabilizer is sulfate.
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Abstract
Provided herein are compositions, methods, and systems for a material containing metastable carbonate and stabilizer. Methods for making the compositions and using the compositions are also provided.
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24 Claims
- 1. A composition, comprising at least 50% w/w activated vaterite and between 0.1-0.6 wt % stabilizer wherein the stabilizer comprises the stabilizer incorporated in crystal lattice of the activated vaterite and wherein the stabilizer is sulfate.
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11. A method for making a composition, comprising:
contacting CO2 from a CO2 source with a solution comprising proton removing agent, alkaline earth-metal ions and a stabilizer to make a composition comprising at least 50% w/w activated vaterite and between 0.1-0.6 wt % stabilizer wherein the stabilizer comprises the stabilizer incorporated in crystal lattice of the activated vaterite in the composition and wherein the stabilizer is sulfate. - View Dependent Claims (12, 13, 14, 15, 16, 18, 24)
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17. A composition formed by a method, comprising contacting CO2 from a CO2 source with a solution comprising proton removing agent, alkaline earth-metal ions and a stabilizer to make a composition comprising at least 50% w/w activated vaterite and between 0.1-0.6 wt % stabilizer wherein the stabilizer comprises the stabilizer incorporated in crystal lattice of the activated vaterite and wherein the stabilizer is sulfate.
Specification