CO2 utilization and sequestration in ready-mix concrete-A review

被引：20

作者：

Zhang, Suhui ^{[1
,2
]}

Yuan, Qiang ^{[1
,2
]}

Ni, Jun ^{[3
]}

Zheng, Keren ^{[1
]}

Xu, Yanqun ^{[1
,2
]}

Zhang, Jiaoling ^{[1
,2
]}

机构：

[1] Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China

[2] Natl Engn Res Ctr Highspeed Railway Construct Tech, Changsha 410075, Peoples R China

[3] JSTI Grp Co Ltd, Nanjing 211112, Jiangsu, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2024年 / 907卷

关键词：

Ready-mix concrete; CO2 utilization and sequestration; Carbonation reaction; CO2; footprint; Carbon index; BETA-DICALCIUM SILICATE; CEMENT KILN DUST; CARBON-DIOXIDE; TRICALCIUM SILICATE; CALCIUM SILICATES; SUPERCRITICAL CARBONATION; EMISSIONS; SYSTEM; TEMPERATURE; DURABILITY;

D O I：

10.1016/j.scitotenv.2023.168025

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

CO2 utilization and sequestration in concrete have been gaining increased attention in recent years. CO2 can be injected into ready-mix concrete, which is defined as carbonation ready-mix concrete (CRC) showing a huge CO2 sequestration potential. CRC technology was comprehensively reviewed in this paper. Firstly, the methods of CRC technology in lab and industrial production were summarized. Then, special attentions were paid to the hydration reaction combined with the carbonation reaction in CRC. The factors affecting the capacity of CO2 sequestration in CRC were also discussed. Furthermore, the workability, mechanical property, and durability of CRC were evaluated. Finally, based on life cycle assessment (LCA), the CO2 footprint and carbon index of CRC were analyzed.

引用

页数：18

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