Development of a revolving drum reactor for open-sorption heat storage processes

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33 Citations (Scopus)

Abstract

To evaluate the potential of an open sorption storage process using molecular sieves to provide thermal energy for space heating and hot water, an experimental study of adsorption heat generation in a rotating reactor is presented. Dehydrated zeolite of the type 4A and MSX were used in form of spherical grains and humidified room air was blown through the rotating bed. Zeolite batches of about 50 kg were able to generate an adsorption heat up to 12 kWh and temperature shifts of the process air up to 36 K depending on the inlet air water content and the state of dehydration of the storage materials. A detailed study of the heat transfer effects, the generated adsorption heat, and the evolving temperatures show the applicability of the reactor and storage concept.

Original languageEnglish
Pages (from-to)42-49
Number of pages8
JournalApplied Thermal Engineering
Volume70
Issue number1
DOIs
Publication statusPublished - 5 Sep 2014

Keywords

  • Adsorption heat
  • Open-sorption process
  • Renewable heat
  • Rotating drum reactor
  • Seasonal storage
  • Zeolite

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