Method of producing metal carbonate from an ultramafic rock material

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United States of America Patent

PATENT NO 9896741
SERIAL NO

15107870

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Abstract

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A method of producing a metal carbonate from an ultramafic rock material is provided. The method includes providing an ultramafic rock material comprising a metal silicate; reacting the ultramafic rock material with an acid to form a mixture comprising a salt of the metal; contacting the mixture comprising a salt of the metal with oxygen so as to aerate impurities in the mixture and/or to remove residual acid from the mixture; heating the resultant mixture to decompose the salt of the metal to form metal oxide; and reacting the metal oxide with aqueous ammonium carbonate to obtain the metal carbonate. A system for producing a metal carbonate from ultramafic rock material is also provided.

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Patent Owner(s)

Patent OwnerAddress
AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCHSINGAPORE 138632

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bu, Jie Singapore, SG 1 9
Sharratt, Paul Singapore, SG 2 11
Yeo, Tze Yuen Singapore, SG 1 9

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