Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 230, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2021.111283
Keywords
Demolition waste powder; Sensible thermal energy storage material; Solar heat industrial application; Thermal energy storage
Funding
- Cukurova University Scientific Research Projects Unit [FDK-2018-9602]
- Horizon 2020 research and innovation project INPATH TES [657466]
- Spanish government [MCIU/AEI/FEDER, UE] [RTI2018-093849-B-C32]
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This study investigates the potential of using waste materials as low-cost thermal energy storage materials, which can be converted into high-performance STESMs through pre-treatment processes, making them suitable for solar heat industrial applications.
Replacing fossil fuels with alternative energy resources to meet industrial heat demand necessitates using cost-effective thermal energy storage (TES) for efficient and secure operation. Waste-based materials such as industrial by-products, industrial furnace slags, municipal, demolition wastes (DW) offer alternative low cost sensible thermal energy storage materials (STESM) for solar heat industrial applications. The only drawback is their inhomogeneous nature requiring some pre-treatment steps. DW have a great potential as cheap and high performance STESM, if they can be conditioned with optimum properties. In this study, DW samples collected from an urban regeneration project were conditioned with some pre-treatment processes such as crushing, sieving, drying and mixing to produce rigid and homogeneous STESMs. DW powders obtained after processing were characterized to evaluate its suitability to produce STESMs. The results showed that DW powders could be converted to a durable STESM with high storage capacity for use in solar heat industrial applications up to 700 degrees C.
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