Research Progress of Low-Carbon Cementitious Materials Based on Synergistic Industrial Wastes

Qian Li, Jiajie Li, Siqi Zhang (), Xiaoyan Huang, Xue Wang, Ying Wang and Wen Ni ()
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Qian Li: School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
Jiajie Li: School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
Siqi Zhang: School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
Xiaoyan Huang: Beike Yunhong Environmental Technology (Beijing) Co., Beijing 100026, China
Xue Wang: School of Civil Engineering, Tsinghua University, Beijing 100084, China
Ying Wang: Department of Civil and Architectural Engineering, University of Miami, Coral Gables, FL 33146, USA
Wen Ni: School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China

Energies, 2023, vol. 16, issue 5, 1-19

Abstract: Cementitious material based on synergistic industrial wastes can be used as a new product for low-carbon transformation. It can aid in resource recycling and suitable consumption and utilisation of various industrial wastes. The proposed material can reduce a large amount of CO 2 emitted during calcination in cement production and the decomposition of raw limestone. In addition, the material exhibits high durability and high resistance to corrosion in the marine environment that can further reduce CO 2 emissions over the lifecycle of the carbon footprint of the building. Currently, many similar chemical kinetic processes and mineralogical reaction processes of particle migration and rebinding exist in the hydration and hardening reactions, service processes and durability evolution of different industrial waste cementitious systems for low-carbon production. The theoretical basis of preparing various low-carbon cementitious materials (LCCMs) with industrial waste systems is discussed herein, including the two theories of ‘complex salt effect’ and ‘isomorphic effect from tetrahedral coordination of silicon-oxygen’. Further research on LCCM is based on the theoretical foundation of ‘passive hydration kinetics’. Furthermore, this study presents the CO 2 reduction potential of LCCM prepared using industrial wastes and provides future research directions in this regard.

Keywords: low carbon; cementitious material; granulated blast-furnace slag; steel slag; fly ash; industrial wastes (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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