Carbonation of concrete products

(10) US2023406768A1

(22) 29.10.2021

(43) 21.12.2023

(57) Provided herein are methods and compositions for carbonation of recycled concrete aggregates (RCA) to produce carbonated RCA. In addition, uses of the carbonated RCA, such as in building materials, and building materials containing RCA, are included. Carbonation of RCA may be used alone or may be used in combination with other carbonation processes associated with concrete manufacture, such as carbonation of wet concrete mixes and/or carbonation of concrete wash water.

(71) Einarsdottir Soley; Forgeron Dean Paul; Hanmore Alex; Carboncure Technologies Inc.

x

Related articles:

Issue 05/2021 MBCC GROUP

MasterSuna RCA for concrete production from recycled aggregates

Experts at Master Builders Solutions have developed MasterSuna RCA, a pioneering solution which enables the production of standard quality concrete with up to 100 % recycled aggregates. The solution...

more
Issue 10/2022

Carbonation system for curing of concrete products at ambient pressure

(10) US 2022 0227677 A1 (22) 10.01.2022 (43) 21.07.2022 (57) Provided herein are systems for carbonation curing and C02 mineralization of concrete composites and methods of manufacturing a carbonated...

more
Issue 06/2022

CO2 sequestration in recycled concrete – a cornerstone towards carbon neutrality

HeidelbergCement is committed to reaching carbon neutrality of its entire product portfolio on the concrete level by 2050. Heidelberg-Cement will work on all levels not only to minimize emissions, but...

more
Issue 09/2024

Successful paving block production using low-carbon circular cements on an industrial scale

Germany is already reusing 95 % of the construction and demolition debris. When recycling demolished concrete, the raw materials recovered in this process are often of a lower quality than that of the...

more
Issue 11/2024

System and method for steam curing and carbonation curing precast concrete

(10) US2024254059 (22) 21.12.2023 (43) 01.08.2024 (57) A system and method for steam curing and carbonation curing precast concrete, including: a steam curing tank forming a steam curing space; a...

more