CO₂-Carbonated MgO Mixing Column

Dual Carbon Capture & Soil Reinforcement

An in-situ soil column formed by mixing MgO with soft soil and curing with injected CO₂, offering ground improvement and CO₂ sequestration as an alternative to energy-intensive cement columns.

Liu, Yizhao · Liu, Songyu · Sun, Yanxiao · Du, Guangyin

Journal of Rock Mechanics and Geotechnical Engineering 2025

Specifications

UCS

{'zh': '1.02', 'en': ''} MPa

封存量

{'zh': '4.88', 'en': ''} %

Advantages

Lower pH than cement-mixing columns