Thermal decomposition of asbestos-containing materials
PBN-AR
Instytucja
Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Journal of Thermal Analysis and Calorimetry
ISSN
1388-6150
EISSN
1572-8943
Wydawca
SPRINGER
DOI
URL
Rok publikacji
2013
Numer zeszytu
1
Strony od-do
179-188
Numer tomu
113
Identyfikator DOI
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Autorzy
(liczba autorów: 4)
Pozostali autorzy
+ 3
Słowa kluczowe
en
asbestos-cement
thermal decomposition
DTA
TG-EGA
FTIR
XRD
SEM
Open access
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Przed publikacją
Streszczenia
Język
en
Treść
Asbestos is the common name applied to a group of natural, fibrous silicate minerals, which were once one of the most popular raw materials to be used in building materials. Asbestos was mainly used for the production of assortment asbestos–cement products. Today it is generally known that asbestos belongs to the group of hazardous materials and shows carcinogenic activity. In Poland, asbestos-containing materials are stored in special landfills. This is not the final solution to the asbestos problem because the fibrous structure of asbestos is still maintained. Therefore, methods based on recycling must be found which will be able to destroy asbestos’ dangerous fibrous structure. One of these methods may be thermal decomposition, where chemically combined water is released from the asbestos materials during heating. This leads to changes in the crystal structure and to the formation of new mineral phases. The aim of the preliminary research presented in this study was to determine the thermal behaviour as well as the structural and phase transformations of asbestos–cement materials during heating to high temperature. In the present study, three different types of asbestos-containing materials from Poland were examined. Differential thermal analysis, thermogravimetry with evolved gas analysis, X-ray diffraction, infrared spectroscopy and scanning electron microscopy were used to study the thermal decomposition of asbestos–cement samples. It was found that there were no significant differences between the type of asbestos–cement samples used—their thermal decomposition takes place in a similar way.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
576777
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