This research demonstrates an eco-friendly cleaning technology to reduce efflorescence in cementitious materials, indicating operational benefits.
Cementitious materials are the most widely used building material in the decorative schemes of various construction projects. However, exterior façades constructed with cementitious materials are highly prone to efflorescence under environmental humidity, significantly degrading their aesthetic quality and increasing maintenance and management burdens for associated structures. To address this challenge, the causes of efflorescence across diverse engineering cases were investigated in this study. Building on this analysis, an eco-friendly cleaning technology utilizing modified polysaccharides was developed to reduce contamination from acidic cleaning solutions and alleviate labor demands. This approach offers a practical solution to prevalent efflorescence issues in engineering applications, demonstrating both environmental and operational advantages.
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Wu et al. (2025) studied this question.
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