As I discussed recently about tests, trends towards reducing embodied carbon in concrete are continuing to build momentum. Concrete remains a critical barrier to climate-friendly buildings. It is responsible for at least 7% of carbon emissions worldwide, according to clean energy research group BloombergNEF. The new Bill outlines what the Office of General Services will need to examine when crafting the guidelines including incentives for the procurement and usage of low embodied carbon concrete by contractors. Contractors would then need to follow these guidelines and certify that their work and the concrete they are procuring meets these minimum guidelines. Key companies producing low-carbon concrete products include, but are not limited to, the following:
Carbon Cure Technologies
Has invented a process that involves removing from the creation of cement and injecting it into concrete during mixing. This takes some of the WhatsApp Number Database out of the air and permanently embeds it in the concrete and strengthens it – reducing the amount of cement needed. So far, Carbon Cure concrete achieves a net carbon reduction of about 5 to 7%. Blue Planet uses carbon dioxide collected from the exhaust stack of power plants to produce synthetic aggregate that can be used to create concrete. The captured CO2 from flue gas does not require purification, which is an energy and capital intensive process. As a result, Blue Planet’s method is extremely efficient, and results in a lower cost than traditional methods of CO2 capture.
Carbi Crete uses a process called
carbonation activation that eliminates the need for cement in concrete by replacing it in the mix with ground slag, a waste by-product of steel-making. The process ANNUI Mobile Phone Number List can be implemented in any precast concrete manufacturing plant, but is not yet available for poured uses several methods to lower the carbon footprint of its concrete – from using Carbon Cure, to using high strength aggregate that lowers the need for cement concrete applications. Carbi Crete’s process eliminates the CO2 emissions associated with cement production and then injects CO2 recovered from other industries into its products. Because more CO2 is consumed than emitted during the process, it is carbon-negative concrete.
