CO2 commodity trading system and method
First Claim
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1. A method comprising:
- contacting a waste gas from a fossil fuel combustion with a saltwater comprising divalent cations in a reactor configured to sequester carbon dioxide;
increasing the pH of the saltwater to form a precipitate comprising a carbonate or bicarbonate comprising the divalent cations;
determining the source and amount of carbon dioxide sequestered in the precipitate;
generating a tradable greenhouse gas certificate to represent the amount of carbon dioxide determined to be sequestered in the precipitate; and
producing a construction material consisting of a supplementary cementitous material, an aggregate or a combination thereof with the precipitate.
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Abstract
A system and method of generating and trading a CO2 commodity that is correlated to a quantified amount of CO2 sequestered in a CO2 sequestering product comprising a carbonate and/or a bicarbonate. The tradable commodity can be purchased or sold for use in managing CO2 emissions.
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Citations
32 Claims
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1. A method comprising:
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contacting a waste gas from a fossil fuel combustion with a saltwater comprising divalent cations in a reactor configured to sequester carbon dioxide; increasing the pH of the saltwater to form a precipitate comprising a carbonate or bicarbonate comprising the divalent cations; determining the source and amount of carbon dioxide sequestered in the precipitate; generating a tradable greenhouse gas certificate to represent the amount of carbon dioxide determined to be sequestered in the precipitate; and producing a construction material consisting of a supplementary cementitous material, an aggregate or a combination thereof with the precipitate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A gas sequestration system comprising:
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a gas absorber configured to receive a waste gas from a fossil fuel combustion and to contact the waste gas with a saltwater comprising divalent cations; a precipitator operably connected to the gas absorber and configured to receive the saltwater after contact with the waste gas and to precipitate a composition comprising the greenhouse gas carbon dioxide; a pH increasing system operatively connected to the precipitator and configured to increase the pH of the saltwater to form a precipitate comprising a carbonate or a bicarbonate comprising the divalent cations; an analytical apparatus operably connected to the precipitator and configured to receive and analyze the precipitate, and provide precipitate data for determining the source and amount of greenhouse gas sequestered in the precipitate; a computer-implemented system operatively connected to the analytical apparatus and configured to receive the precipitate data from the analytical apparatus and generate a certificate that represents an amount of greenhouse gas sequestered in the precipitate; and a material production system operatively connected to the precipitator and configured to receive and convert the precipitate into a construction material consisting of a supplementary cementitous material, an aggregate or a combination thereof. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification