NDLI: Study on Building Energy - saving Performance of Diatomite Materials

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Liang Dong
Abstract	In order to study the application of phase change materials in the field of building energy saving, diatomite / fatty acid shaped phase change materials were prepared by vacuum impregnation method using modified diatomite as carrier. The structural composition and thermal properties of the shaped phase change materials were analyzed. The phase change material is directly mixed into the cement mortar by stirring. The phase change mortar, phase change mortar test block and phase change mortar heat storage plate are made. Its structural properties, mechanical properties, thermal properties and energy-saving effect was detected and analyzed. The diatomite was modified by roasting, acid leaching, roasting/acid leaching. X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET experiments were used to test the composition and structure of modified diatomite. The results show that the modified diatomite prepared by roasting / acid leaching method has better performance. It has the characteristics of uniform surface pore distribution, complete structure and moderate surface roughness. The stereotyped phase change material has good thermal stability at 105°C. The mass loss rate of the deformed phase change material is 41.65%. Therefore, the stereotyped phase change material can play a good role in the process of environmental temperature changes in the heat.
e-ISSN	22839216
DOI	10.3303/CET1762090
Journal	Chemical Engineering Transactions
Volume Number	62
Language	English
Publisher	AIDIC Servizi S.r.l.
Publisher Date	2017-01-01
Publisher Place	Italy
Access Restriction	Open
Subject Keyword	Chemical Engineering Computer Engineering. Computer Hardware
Content Type	Text
Resource Type	Article

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