文献类型：会议论文

英文题名：Numerical research on thermal decomposition reaction kinetics of large particle size limestone

作者：Xing Tianyue[1];Wang Zhengdong[1]

机构：[1]East China Univ Sci & Technol, Shanghai, Peoples R China

会议论文集：5th International Conference on Advanced Materials and Computer Science (ICAMCS)

会议日期：MAR 26-27, 2016

会议地点：Qingdao, PEOPLES R CHINA

语种：英文

外文关键词：Limestone; Thermal decomposition reaction; Numerical analysis method; Reaction mechanism model; Kinetics parameters

摘要：Large particle size limestone (CaCO3) is an important raw material used in many branches of industry. For lacking of reaction parameters of large particle size limestone, numerical analysis method is used to study the decomposition reaction kinetics of limestone to understand the thermal decomposition reaction and obtain dominant parameters of large particle size limestone (20, 30, 40 mm). The results show that the decomposition reactions of three different particle sizes at 900 similar to 1000 degrees C temperature conform to the phase interface reaction mechanism model (cylindrical symmetry), and the reaction activation energy E is ranging from 30 to 34 kcal/mol and the pre-exponential factor lnA is ranging from 7.5 to 9s(-1), which are conference data for practical engineering.