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October 11, 2025BuildingsOpen Access

Utilization of Desulfurization Gypsum in Alkali-Activated Mortar: Performance Enhancement and Microstructural Evolution

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Authors

XZXiaolong ZhouXWXiaoqiong WangWYWenjing Yu

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Overview

This analysis demonstrates improved drying shrinkage and setting time in alkali-activated mortar using desulfurization gypsum, highlighting its potential for sustainable construction.

Key Points

  • Desulfurization gypsum significantly reduces drying shrinkage and prolongs setting time.
  • The optimum desulfurization gypsum content of 6% achieves a compressive strength of 63.25 MPa.
  • Microscopic analysis reveals that ettringite formation contributes to improved mechanical properties.
  • Increasing desulfurization gypsum content beyond 6% leads to decreased fluidity and erosion resistance.

Cite This Study

Zhou et al. (2025) studied this question.

synapsesocial.com/papers/68ea72339f1bd4df558ced7ehttps://doi.org/10.3390/buildings15193628
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