Carbon dioxide sequestration on masonry blocks

Pingping He; Caijun Shi; Chi S. Poon

doi:10.1016/B978-0-08-102444-7.00017-4

Carbon dioxide sequestration on masonry blocks

Pingping He, Caijun Shi, Chi S. Poon

Research output: Chapter in book / Conference proceeding › Chapter in an edited book (as author) › Academic research › peer-review

Abstract

This chapter describes the research progress on carbon dioxide (CO₂) absorption during the production of concrete blocks. The masonry blocks subjected to accelerated carbonation have higher CO₂ sequestration compared with that of under weathering carbonation because of the higher CO₂ concentration and accelerated carbonation. A wide variety of factors influencing the accelerated carbonation process, such as preconditioning, raw materials, water-to-cement ratio, sand-to-cement ratio and compaction pressure, concentration and pressure of CO₂, and post-curing, are discussed. Also, the kinetic model, dimensional stability, and microstructure of concrete blocks after accelerated carbonation are described.

Original language	English
Title of host publication	Carbon Dioxide Sequestration in Cementitious Construction Materials
Publisher	Elsevier
Pages	411-430
Number of pages	20
ISBN (Electronic)	9780081024478
ISBN (Print)	9780081024447
DOIs	https://doi.org/10.1016/B978-0-08-102444-7.00017-4
Publication status	Published - 1 Jan 2018

Keywords

Accelerated carbonation
Dimensional stability
Microstructure
Post-curing
Preconditioning

ASJC Scopus subject areas

Engineering(all)
Materials Science(all)

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10.1016/B978-0-08-102444-7.00017-4

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AB - This chapter describes the research progress on carbon dioxide (CO2) absorption during the production of concrete blocks. The masonry blocks subjected to accelerated carbonation have higher CO2 sequestration compared with that of under weathering carbonation because of the higher CO2 concentration and accelerated carbonation. A wide variety of factors influencing the accelerated carbonation process, such as preconditioning, raw materials, water-to-cement ratio, sand-to-cement ratio and compaction pressure, concentration and pressure of CO2, and post-curing, are discussed. Also, the kinetic model, dimensional stability, and microstructure of concrete blocks after accelerated carbonation are described.

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ER -

Carbon dioxide sequestration on masonry blocks

Abstract

Keywords

ASJC Scopus subject areas

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