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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium REWAS 2022: Decarbonizing the Materials Industry
Presentation Title Field Demonstration of the Reversa Mineral Carbonation Process Using Coal and Natural Gas Flue Gas Streams
Author(s) Dale P. Prentice, Iman Mehdipour, Gabriel Falzone, Stephen Raab, Dante Simonetti, Gaurav Sant
On-Site Speaker (Planned) Dale P. Prentice
Abstract Scope Concrete, a mixture composed of a cementation agent, mineral aggregates, and water has the potential to serve as a gigaton-scale sink for carbon dioxide (CO2). The CarbonBuilt’s Reversa process, developed at UCLA exploits simple acid-base chemistry to mineralize CO2-dilute flue gas emissions into mineral carbonate-based cementation agents at ambient pressure, at flue gas temperatures, and without a need for carbon capture. The Reversa technology was upscaled and demonstrated using a modularized pilot-plant at two national carbon capture test centers using coal- (~12 vol. % CO2) and natural gas (~4 vol. % CO2) flue gas streams. The field demonstration led to the production of over 15,000 concrete blocks and achieved: (1) a CO2 utilization efficiency in excess of 75%, (2) greater than 250 kg of CO2 utilization per 13 tonnes of concrete (i.e. one production run), and (3) the blocks produced were confirmed to be compliant with all relevant industry specifications.
Proceedings Inclusion? Planned:
Keywords Sustainability, Other,


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Carbon Footprint Reduction Opportunities in the Manganese Alloys Industry
CO2 as Raw Material for Chemical and Fuel Productions through Electrocatalysis
Effect of Moisture and High Temperature to Separation Properties of Mixed Matrix Membranes
Field Demonstration of the Reversa Mineral Carbonation Process Using Coal and Natural Gas Flue Gas Streams
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Iron-ore Reduction Using Green Hydrogen: A Study for Recycling Wastes in Egyptian Steel Industry
Pilot Scale Test of Flue Gas Recirculation for the Silicon Process
PreMa-project Development of New Technologies to Reduce CO2 Emissions in Mn-alloy Production
Pyrometallurgy-based Research Conducted at Mintek towards Decarbonizing the Metals Industry
Solid Oxide Membrane (SOM) Based Technology for Carbon-free Efficient Production of Solar-grade Silicon
Supercritical Carbonation of Steelmaking Slag for the CO2 Sequestration
Tecno-economic Pre-feasibility Study of a Hydrogen Plasma Based Ferromanganese Plant
The Carbon Age: Reimaging the Lifecycle of Fuels and Materials
Towards Green Ferroalloys: Replacement of Fossil Reductants in the Pre-reduction Process of Chromite by Bio-based Alternatives

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