Preparation and Characterization of Inorganic PCM Microcapsules by Fluidized Bed Method
Copyright policy )Preparation and Characterization of Inorganic PCM Microcapsules by Fluidized Bed Method
The literature shows that inorganic phase change materials (PCM) have been very seldom microencapsulated, so this study aims to contribute to filling this research gap. Bischofite, a by-product from the non-metallic industry identified as having good potential to be used as inorganic PCM, was microencapsulated by means of a fluidized bed method with acrylic as polymer and chloroform as solvent, after compatibility studies of both several solvents and several polymers. The formation of bischofite and pure MgCl2·6H2O microcapsules was investigated and analyzed. Results showed an efficiency in microencapsulation of 95% could be achieved when using 2 min of fluidization time and 2 kg/h of atomization flow. The final microcapsules had excellent melting temperatures and enthalpy compared to the original PCM, 104.6 °C and 95 J/g for bischofite, and 95.3 and 118.3 for MgCl2·6H2O.
- University of Lleida (UdL) Spain
- University of Lleida Spain
- SERC Reliability Corporation United States
- University of Lleida (UdL) Spain
- Center for Solar Energy Research and Studies Libyan Arab Jamahiriya
Technology, bischofite, inorganic, Microencapsulació, Bischofite, Article, Microencapsulation, phase change material; inorganic; microencapsulation; fluidization; bischofite; MgCl<sub>2</sub>·6H<sub>2</sub>O, Fluidization, Microscopy, QC120-168.85, T, QH201-278.5, MgCl2·6H2O, Engineering (General). Civil engineering (General), TK1-9971, Fluïdització, Inorganic, Descriptive and experimental mechanics, microencapsulation, Electrical engineering. Electronics. Nuclear engineering, fluidization, TA1-2040, phase change material, Phase change material
Technology, bischofite, inorganic, Microencapsulació, Bischofite, Article, Microencapsulation, phase change material; inorganic; microencapsulation; fluidization; bischofite; MgCl<sub>2</sub>·6H<sub>2</sub>O, Fluidization, Microscopy, QC120-168.85, T, QH201-278.5, MgCl2·6H2O, Engineering (General). Civil engineering (General), TK1-9971, Fluïdització, Inorganic, Descriptive and experimental mechanics, microencapsulation, Electrical engineering. Electronics. Nuclear engineering, fluidization, TA1-2040, phase change material, Phase change material
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