Tailoring Cementitious Materials Towards Value-Added Use of Large CO2 Volumes Email Page
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Performer:  Metna Company Location:  Lansing, Michigan
Project Duration:  06/09/2014 – 07/30/2019 Award Number:  SC0011960
Technology Area:  Carbon Use and Reuse Total Award Value:  $2,139,827
Key Technology:  CO2 Use DOE Share:  $2,139,827
Performer Share:  $0

Preliminary analysis - carbon footprint of Portland<br/>cement versus cement with carbonation
Preliminary analysis - carbon footprint of Portland
cement versus cement with carbonation

Project Description

Metna Co. is developing scalable, economical, and convenient methods of delivering carbon dioxide (CO2) to concrete, and is tailoring the chemistry of concrete to make beneficial use of large CO2 volumes toward achieving enhanced performance, economic sustainability, and energy-efficiency attributes. The main thrust of this project is to develop robust and commercially viable methods for chemical binding of large CO2 volumes in concrete while realizing balanced gains in material properties. Concrete materials incorporating two different inorganic binders based on calcium silicate hydrate (Portland cement) and alkali aluminosilicate hydrate (geopolymer cement) are being investigated. In Phase I, engineering tests performed on concrete materials confirmed that sorption of CO2 into reactive cementitious materials yields significant gains in the mechanical, barrier, and durability characteristics of concrete and can be accomplished by simple and low-cost modification of the existing milling step in the production of cementitious materials. Phase II work includes adapting the technology for use with broader selections of raw materials and additives; devising refined chemistries for selective sorption of CO2 from flue gas; scale-up of the process in an industrial manufacturing plant where cement and slag processing is accompanied with flue gas emission; and conducting life-cycle analyses to further verify and quantify the benefits of the technology in terms of CO2 storage and emission control, energy and cost savings, and enhancing the longevity, efficiency and life-cycle economy of the concrete-based infrastructure.

Project Benefits

This technology enhances the structural efficiency, service life, sustainability, economics, and energy-efficiency of the concrete-based infrastructure and offers a commercially viable means of transforming concrete, the most widely used material of construction, from a major source of CO2 emission and energy consumption into a valuable resource for large-volume CO2 storage.

Presentations, Papers, and Publications

Contact Information

Federal Project Manager Mary Underwood: mary.underwood@netl.doe.gov
Technology Manager Traci Rodosta: traci.rodosta@netl.doe.gov
Principal Investigator Jue Lu: metnaco11@gmail.com