Effect of Kaolin on the Properties of Flue Gas Desulphurization Gypsum-Steel Slag Cementitious Materials

Abstract:

The effects of kaolin on the properties of flue gas desulphurization gypsum-based steel slag composites were analyzed in this article and the influence rules of setting time, final setting time on the flexural strength and compressive strength of cementitious composites were also discussed. The micro-morphology of the composite was observed by scanning electron microscope. At the same time, the excitation mechanism of kaolin on gas desulphurization gypsum-based steel slag was put forward. It was demonstrated that kaolin with content of 3% in the composites can better stimulate the activity of steel slag and improve the mechanical properties of cementitious composites.

• Periodical: Advanced Materials Research (Volumes 306-307)
• Pages: 1553-1556
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.306-307.1553
• Online since: August 2011
• Authors: Lei Zhang, Zhi Wang, Li Ying Fan, Guo Pu Shi
• Keywords: Flue Gas Desulphurization (FGD) Gypsum, Kaolin, Steel Slag

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