Systems and methods for carbon capture
Assignee8 Rivers Capital, LLC
InventorsXijia Lu, Brock Alan Forrest, Jeremy Eron Fetvedt, Navid Rafati
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Abstract
The present disclosure provides systems for carbon capture in combination with production of one or more industrially useful materials. The disclosure also provides methods for carrying out carbon capture in combination with an industrial process. In particular, carbon capture can include carrying out calcination in a reactor, separation of carbon dioxide rich flue gases from industrially useful products, and capture of at least a portion of the carbon dioxide for sequestration of other use, such as enhanced oil recovery.
Claims50
A system for calcination with carbon capture, the system comprising:
- a reactor configured to heat a carbonate-containing raw material in the presence of an oxidant to form a decomposition stream containing at least solids and carbon dioxide gas;
- a separator configured to separate the decomposition stream into a gas stream including the carbon dioxide gas and a solids stream;
- a heat exchange unit configured to receive one or both the gas stream including the carbon dioxide gas and the solid stream and withdraw heat therefrom to provide a cooled gas stream including the carbon dioxide and a cooled solids stream;
- and
- a CO2 separation unit configured to separate the cooled gas stream including the carbon dioxide into a CO2 lean stream and a CO2 rich stream.
A method for calcination with carbon capture, the method comprising:
- processing a carbonate-containing raw material in a heated reactor to provide a decomposition stream comprising at least solids and carbon dioxide gas;
- separating the decomposition stream in a separation unit into a gas stream including the carbon dioxide and a solids stream;
- cooling one or both of the gas stream including the carbon dioxide and the solids stream in a heat exchanger;
- one or both of providing at least a portion of the solids stream as a product for export and delivering at least a portion of the solids stream to a further reactor for forming a secondary product;
- and
- purifying the gas stream including the carbon dioxide to provide a substantially pure stream of carbon dioxide for export.
Dependencies are inferred from the claim text.