Morphological characteristics of calcium carbonate crystallization in CO2 pre-cured aerated concrete

Author:

Lu Jiayu1,Ruan Shengqian1,Liu Yi2ORCID,Wang Tao3ORCID,Zeng Qiang1ORCID,Yan Dongming1

Affiliation:

1. College of Civil Engineering and Architecture, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang, 310058, China

2. Institute for Composites Science Innovation (InCSI), School of Materials Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, Zhejiang, 310027, China

3. State Key Laboratory of Clean Energy Utilization, Zhejiang University, 38 Zheda Road, Hangzhou, Zhejiang, 310027, China

Abstract

The work reports different morphological characteristics of CaCO3 formed in an early-age aerated concrete (AC) under different CO2 pressures, uncovering the physicochemical mechanisms of carbonation of cement-based materials affected by CO2 curing.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Reference83 articles.

1. C. B. M.Federation , Carbon Emission Report of China's Building Materials Industry , 2020 , http://www.cbmf.org/cbmf/yw/7063198/index.html , (accessed 26 September 2021)

2. Analysis of Cement Industry Carbon Emission Status and Discussion on Critical Paths of Emission Reduction , http://www.cbmd.cn/actrice/10545.html , accessed accessed 26 September 2021

3. Effect of pulverized fuel ash, ground granulated blast-furnace slag and CO2 curing on performance of magnesium oxysulfate cement

4. Comparison of glass powder and pulverized fuel ash for improving the water resistance of magnesium oxychloride cement

5. Effect of Limestone Powder Content on the Early-Age Properties of CO2-Cured Concrete

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