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Hang Lung Properties joined hands with a carbon capture, utilisation and storage (CCUS) company CLEANCO2 on a two-year strategic collaboration that aims to advance and accelerate progress in tackling building and construction sector’s major challenge through innovation. The collaboration will involve the application of low carbon recycled concrete aggregate (RCA) and CLEANCO2 carbon storage concrete bricks (“low carbon concrete bricks”) to reduce the embodied carbon in Hang Lung’s Westlake 66 development in Hangzhou and other projects.

The collaboration will leverage CLEANCO2’s proprietary carbon dioxide mineralisation technology to advance CCUS applications through two initiatives at Westlake 66, Hangzhou:

1)  Low Carbon RCA
First, the Company is reusing waste concrete from the Westlake 66 development project in Hangzhou. The waste concrete will be crushed into aggregate and produced into low carbon RCA through a carbon dioxide mineralisation process. A life cycle assessment has found that the low carbon RCA has significant potential to reduce emissions compared to normal aggregate when used as raw material for concrete. 

2)  Low Carbon Concrete Bricks
Second, the Company will use CLEANCO2 low carbon concrete bricks on the secondary partition walls of the basement of the Westlake 66 project (the total number of bricks used can cover a wall area of around 17,000m²) – the first commercial development project in mainland China and Hong Kong to do so. These bricks will use cement, fly ash and other solid waste together with CLEANCO2’s carbon dioxide mineralisation process. The embodied carbon emissions of the low carbon concrete bricks are expected to be 87.5% lower than conventional shale bricks.

 

Westlake 66 in Hangzhou is the first commercial development project to use low carbon concrete bricks in mainland China and Hong Kong  

 

The Company and CLEANCO2 have completed a small-scale pilot project with the low carbon RCA and are now evaluating this process at a medium scale, with 150 tons of waste concrete. The Company looks forward to introducing the innovative solution to other projects, and sharing the technology and achievements with the industry to jointly promote green and low-carbon development.

For more information, please visit: https://www.hanglung.com/en-us/media/press-releases/2023/20230510