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Review

Characteristics and Applications of Sugar Cane Bagasse Ash Waste in Cementitious Materials

by 1, 2, 3, 2,4,* and 1,*
1
College of Transportation and Civil Engineering, Fujian Agriculture and Forestry University, Fuzhou 350116, China
2
College of Civil Engineering, Fuzhou University, Fuzhou 350116, China
3
National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry University, Fuzhou 350002, China
4
Department of Civil & Environmental Engineering, Washington State University, Pullman, WA 99164-2910, USA
*
Authors to whom correspondence should be addressed.
Materials 2019, 12(1), 39; https://doi.org/10.3390/ma12010039
Received: 23 November 2018 / Revised: 15 December 2018 / Accepted: 18 December 2018 / Published: 22 December 2018
Sugar cane bagasse ash (SCBA) is an abundant byproduct of the sugar and ethanol industry. SCBA is generally used as a fertilizer or is disposed of in landfills, which has led to intensified environmental concerns. In recent years, SCBA research has mainly been focused on utilization in construction materials due to the abundance and pozzolanic characteristics of SCBA. In this paper, a comprehensive review of the state-of-the-art morphology, physical properties, chemical composition, and mineralogical composition of SCBA is presented. Studies indicate that SCBA is a potentially promising construction material. The applications of SCBA as a pozzolanic material, a new source for preparing alkali-activated binders, aggregates, and fillers in construction materials, are summarized. The impacts of SCBA on fresh and hardened concrete properties are highlighted, including the physical properties, mechanical strength, microstructure, and durability. Key factors that govern pozzolanic activity are discussed in detail, including calcination and recalcination temperatures, and durations, fineness, loss on ignition (LOI), and crystal silicon dioxide. Finally, further research on the optimal and broad utilization of SCBA in construction materials is recommended. View Full-Text
Keywords: sugar cane bagasse ash (SCBA), pozzolanic activity; agricultural waste; cementitious materials; concrete sugar cane bagasse ash (SCBA), pozzolanic activity; agricultural waste; cementitious materials; concrete
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MDPI and ACS Style

Xu, Q.; Ji, T.; Gao, S.-J.; Yang, Z.; Wu, N. Characteristics and Applications of Sugar Cane Bagasse Ash Waste in Cementitious Materials. Materials 2019, 12, 39. https://doi.org/10.3390/ma12010039

AMA Style

Xu Q, Ji T, Gao S-J, Yang Z, Wu N. Characteristics and Applications of Sugar Cane Bagasse Ash Waste in Cementitious Materials. Materials. 2019; 12(1):39. https://doi.org/10.3390/ma12010039

Chicago/Turabian Style

Xu, Qing; Ji, Tao; Gao, San-Ji; Yang, Zhengxian; Wu, Nengsen. 2019. "Characteristics and Applications of Sugar Cane Bagasse Ash Waste in Cementitious Materials" Materials 12, no. 1: 39. https://doi.org/10.3390/ma12010039

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