Systems and methods for improved carbon capture associated with molten metal production
Assignee8 Rivers Capital, LLC
InventorRodney John Allam
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to systems and methods for the production of molten metals direct oxidative combustion of one or more solid fuels. The systems and methods may be combined with coal gasifiers and related components for reducing overall energy requirements as well as external fuel sources, e.g., through the use of endogenously-generated hydrogen. In beneficial aspects, components of the carbonaceous exhaust produced in accordance with the disclosed systems and methods, such as carbon dioxide (CO2), may be isolated using carbon capture and sequestration (CCS) for reducing associated greenhouse gas emissions.
Claims14
A method for molten metal production comprising:
- combusting a fuel in the presence of a metal ore and a reducing gas in a reactor for producing at least a molten metal product and a top gas including carbon dioxide (CO2) and a combustible component;
- passing at least a portion of the top gas to a combustor arranged downstream of the reactor so that the top gas is combusted with an oxidant in the combustor to provide a combustion product stream;
- passing at least a portion of the combustion product stream through one or more heat exchangers arranged downstream of the combustor to remove heat therefrom and to provide a cooled combustion product stream;
- passing the cooled combustion product stream to one or more processing components arranged downstream of the heat exchanger and configured to capture CO2 from the cooled combustion product stream;
- and
- recycling at least a portion of the captured CO2 to the combustor.
Dependencies are inferred from the claim text.