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《Cement Technology》 2013-01
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Comparative Study on the Thermal Decomposition Characteristics of Raw Aluminous Cement and Raw Portland Cement

ZHOU Zhi-hua 1 , LI Fu-zhou 1 , WANG Xin-bo 2 ( 1.The College of Materials Science and Engineering, Wuhan University of technology, Wuhan Hubei 430070, China ; 2.Citic Heavy Industries Co. , Ltd , Luoyang Henan 471003,China )  
This paper studied the thermal decomposition characteristics of aluminous cement and Portland cement raw meal using thermal analysis and some other test methods. The decomposition heat of aluminous cement raw meal is 703.3kJ/kg and the heat of Portland cement raw meal is 901.2 kJ/kg. It was also researched that the decomposition activation energy(Ea) calculation of limestone and diasporite in two cement raw meal has also been calculated using the shrinking cylinder mechanism with surface reaction rate controlling, random into nuclear and the growth mechanism.
【CateGory Index】: TQ172.12
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