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Carbonation Kinetics of γ-Dicalcium Silicate
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Yuandong MU1, 2, 3, Zhichao LIU1, 2, Fazhou WANG1, 2
Journal of the Chinese Ceramic Society | 2022, 50(2) : 457 - 465
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Journal of the Chinese Ceramic Society | 2022, 50(2): 457-465
• Research Articles •
Carbonation Kinetics of γ-Dicalcium Silicate
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Yuandong MU1, 2, 3, Zhichao LIU1, 2, Fazhou WANG1, 2
Affiliations
  • 1.State Key Laboratory of Silicate Materials for Architectures, Wuhan 430070, China
  • 2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 3.School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

    • MU Yuandong (1989-), male, Doctoral candidate. E-mail:

About Author:

MU Yuandong (1989-), male, Doctoral candidate. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210414
Outline
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Carbonatable calcium silicate cementitious material is a novel low-carbon building material with a great potential for development. γ-dicalcium silicate is one of the most carbonation reactive minerals among calcium silicates. In this paper, a wet powder of γ-dicalcium silicate was used as an experimental material. The influences of reaction duration, particle size, relative humidity, temperature, partial pressure and water-to-solid ratio on the degree of carbonation were investigated. The carbonation kinetic equation was proposed based on the modified shrinking-core model and empirical equation. It is indicated that the data predicted by the kinetic model are in reasonable agreement with the experimental results. The obstruction of ions diffusion attributed to the coating of carbonation products is a major factor of controlling the carbonation reaction.

dicalcium silicate  /  carbonation  /  degree of reaction  /  reaction kinetics
穆元冬, 刘志超, 王发洲. γ型硅酸二钙碳酸化反应动力学. 硅酸盐学报, 2022 , 50 (2) : 457 -465 . DOI: 10.14062/j.issn.0454-5648.20210414
Yuandong MU, Zhichao LIU, Fazhou WANG. Carbonation Kinetics of γ-Dicalcium Silicate[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 457 -465 . DOI: 10.14062/j.issn.0454-5648.20210414
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Year 2022 volume 50 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20210414
  • Receive Date：2021-05-24
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
Affiliations
History
  • Received：2021-05-24
  • Revised：2021-09-24
Funding
Affiliations
    1.State Key Laboratory of Silicate Materials for Architectures, Wuhan 430070, China
    2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
    3.School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Corresponding:

WANG Fazhou (1975-), male, Ph. D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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