Related Experiment Video
Updated: Nov 17, 2025

Preparation of Biopolymer Aerogels Using Green Solvents
Published on: July 4, 2016
A novel aerogel from thermal power plant waste for thermal and acoustic insulation applications
Hai M Duong1, Nathaniel R B Ling2, Quoc B Thai2
1Department of Mechanical Engineering, National University of Singapore, Singapore; Cuu Long University, Vinh Long, Viet Nam.
Abstract:
Massive quantities of fly ash are produced worldwide from thermal power plants, posing a serious environmental threat due to their storage and disposal problems. In this study, for the first time, fly ash is converted into an advanced and novel aerogel through a green and eco-friendly process. The developed aerogel has a low density of 0.10-0.19 g cm-3, a high porosity of up to 90%, a low thermal conductivity of 0.042-0.050 W/mK, and a good sound absorption coefficient (noise reduction coefficient [NRC] value of 0.20-0.30). It also shows a high compressive Young's modulus of up to 150 kPa. Therefore, the newly developed fly ash aerogel is a potential material for thermal and acoustic insulation applications, along with lightweight composites in automotive and aerospace applications.
Related Concept Videos
Thermal Insulation in Masonry Walls
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
Insulation Coordination
Thermal Stress
Additives and Fillers in Concrete
The...
Effects of Air-entrainment in Concrete
Waterproofing and Anti-Bacterial Admixtures in Concrete
Waterproofing admixtures render concrete hydrophobic,...

