Measurement of equivalent diffusivity during the calcination of limestone

By using the expression for equivalent diffusivity during the calcination of large particles of limestone, measurements of the weight loss and calcination time yielded the equivalent diffusivity of CO 2 in porous CaO. Eight kinds of limestone were used. The experimental results showed that the equiv...

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Bibliographic Details
Published in:Combustion and flame 2002-06, Vol.129 (4), p.351-355
Main Authors: Xie, Jian Yun, Zhong, Bei Jing, Fu, Wei Biao, Shi, Yuan
Format: Article
Language:English
Subjects:
Air pollution caused by fuel industries
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fuel selection. Additives
Pollution reduction
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Summary:By using the expression for equivalent diffusivity during the calcination of large particles of limestone, measurements of the weight loss and calcination time yielded the equivalent diffusivity of CO 2 in porous CaO. Eight kinds of limestone were used. The experimental results showed that the equivalent diffusivity for different limestones and different particle sizes was almost the same, provided sintering did not occur in calcination.
ISSN:0010-2180
1556-2921
DOI:10.1016/S0010-2180(02)00339-5