Title: The heating characteristics of CaO-SiO2-FetO system slags under microwave irradiation
Authors: Morita, K ×
Guo, Muxing
Miyazaki, Y
Sano, N #
Issue Date: 2001
Publisher: Iron steel inst japan keidanren kaikan
Series Title: ISIJ International vol:41 issue:7 pages:716-721
Abstract: In order to develop an efficient heating process for the waste slag treatment, the heating behavior of the synthetic CaO-SiO2-FetO slag under microwave irradiation was investigated. The heating rate of the slags was found to vary with the ratio of Fe3+/(Fe2+ + Fe3+) in the slags and the microwave energy was most efficiently absorbed when the value of Fe3+/(Fe2+/Fe3+) was around 0.16 with the largest dielectric loss of the slag. Also the hearing rate was benefited considerably from the presence of CaFe3O5 and magnetite phases in slags that have high value of dielectric loss. When the graphite powder was added to the slags, healing rate was drastically increased and the larger amount of carbon addition brought the higher value of heating rate.
ISSN: 0915-1559
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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