Advanced Adsorbent Materials for Waste Energy Recovery

Lucio Bonaccorsi, Antonio Fotia, Angela Malara and Patrizia Frontera
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Lucio Bonaccorsi: Department of Civil, Energy, Environmental and Material Engineering (DICEAM), Università Mediterranea di Reggio Calabria, 89124 Reggio Calabria, Italy
Antonio Fotia: Department of Information engineering, Infrastructure and Sustainable Energy (DIIES), Università Mediterranea di Reggio Calabria, 89124 Reggio Calabria, Italy
Angela Malara: Department of Civil, Energy, Environmental and Material Engineering (DICEAM), Università Mediterranea di Reggio Calabria, 89124 Reggio Calabria, Italy
Patrizia Frontera: Department of Civil, Energy, Environmental and Material Engineering (DICEAM), Università Mediterranea di Reggio Calabria, 89124 Reggio Calabria, Italy

Energies, 2020, vol. 13, issue 17, 1-15

Abstract: Nowadays, waste thermal energy represents a huge quantity of energy that, in most cases, is unfortunately dispersed rather than recovered. Although it is well known that its recovery could result in a considerable impact reduction of human activities on the environment, it is still a challenging issue. In view of this, absorption chillers and heat pumps, based on the use of porous materials capable of reversibly adsorbing and desorbing water vapor, can be considered among the preferred systems to recover waste thermal energy, especially at medium–low temperatures. This study deals with the preparation and performance of a new generation of advanced adsorbent materials specifically produced as coatings for water adsorption systems driven by low temperature heat sources (around 150 °C). The proposed coating consists of hybrid SAPO-34/polyacrilonitrile microfibers directly deposited on the surface to be coated by means of the electrospinning technique. Their zeolite morphology and concentrations, as well as their distribution over the polymeric microfibers, were key variables in achieving the best combination of adsorption properties and hydrothermal stability of the coating.

Keywords: microfibers; electrospinning; water adsorption; SAPO-34 (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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