Low-cost material for sensible heat based thermal storage to be used in thermodynamic solar power plants

Xavier Py, Nicolas Calvet, Régis Olives, Patrick Echegut, Catherine Bessada

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Thermal storage is a key component for thermal solar power plants. Today, no technology and material meet all the desired technical, economical and environmental targets. Especially in the case of extended storage (some hours), thousands of tonnes of materials are concerned leading to high investment cost as well as high energy and CO2 contents. In the present paper, an industrial ceramic made by vitrification of asbestos containing wastes is studied as a candidate to sensible heat storage material for both medium and high temperature solar power plants. The obtained stone-like material presents no hazard, no environmental impact, good thermophysical properties and a very low commercial cost (8 euros/t). Thanks to the vitrification process of the wastes, the obtained ceramic is very stable up to 1000°C and can be manufactured in a desired shape. Then, heat exchangers made of the storage material can be potentially realised and integrated in thermal processes.

Original languageBritish English
Title of host publicationProceedings of the ASME 3rd International Conference on Energy Sustainability 2009, ES2009
Pages527-532
Number of pages6
DOIs
StatePublished - 2009
EventASME 3rd International Conference on Energy Sustainability, ES2009 - San Francisco, CA, United States
Duration: 19 Jul 200923 Jul 2009

Publication series

NameProceedings of the ASME 3rd International Conference on Energy Sustainability 2009, ES2009
Volume2

Conference

ConferenceASME 3rd International Conference on Energy Sustainability, ES2009
Country/TerritoryUnited States
CitySan Francisco, CA
Period19/07/0923/07/09

Keywords

  • Asbestos
  • Solar power plants
  • Thermal storage
  • Waste material

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