Calculation and Verification for the Thermodynamic Data of 3CaO·3Al2O3·CaSO4

›› 2011, Vol. 19 ›› Issue (3): 489-495.

• THERMODYNAMICS AND CHEMICAL ENGINEERING DATA • Previous Articles Next Articles

Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄

WANG Wenlong, CHEN Xiaodong, CHEN Ying, DONG Yong, MA Chunyuan

National Engineering Laboratory for Coal-fired Pollutants Emission Reduction, Shandong University, Jinan 250061, China

Received:2010-10-26 Revised:2011-02-09 Online:2011-06-28 Published:2011-06-28
Supported by:
Supported by the National Natural Science Foundation of China(50906046);the National High-Tech Research and Development Program of China(2009AA05Z303);the Program for New Century Excellent Talents in University(NCET-10-0529)

Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄

王文龙, 陈晓冬, 陈莹, 董勇, 马春元

National Engineering Laboratory for Coal-fired Pollutants Emission Reduction, Shandong University, Jinan 250061, China

通讯作者: WANG Wenlong, E-mail: wwenlong@sdu.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(50906046);the National High-Tech Research and Development Program of China(2009AA05Z303);the Program for New Century Excellent Talents in University(NCET-10-0529)

Abstract

Abstract: Calcium sulfoaluminate,3CaO·3Al₂O₃·CaSO₄,has been widely recognized in the realms of high-temperature combustion and cement chemistry.However,the lack of relevant thermodynamic data limits the progress of its research and development.Through comparative calculations using several different approaches,we obtain the thermochemical properties of 3CaO·3Al₂O₃·CaSO₄ in this work,such as its standard formation enthalpy,Gibbs free energy of formation,entropy,and molar heat capacity.With these fundamental data,thermodynamic calculations become possible for reactions involving this mineral.It is found that some reactions proposed in literature to generate this mineral may not proceed thermodynamically.

Key words: calcium sulfoaluminate, standard formation enthalpy, Gibbs free energy of formation, entropy, molar heat capacity

摘要： Calcium sulfoaluminate,3CaO·3Al₂O₃·CaSO₄,has been widely recognized in the realms of high-temperature combustion and cement chemistry.However,the lack of relevant thermodynamic data limits the progress of its research and development.Through comparative calculations using several different approaches,we obtain the thermochemical properties of 3CaO·3Al₂O₃·CaSO₄ in this work,such as its standard formation enthalpy,Gibbs free energy of formation,entropy,and molar heat capacity.With these fundamental data,thermodynamic calculations become possible for reactions involving this mineral.It is found that some reactions proposed in literature to generate this mineral may not proceed thermodynamically.

关键词: calcium sulfoaluminate, standard formation enthalpy, Gibbs free energy of formation, entropy, molar heat capacity

WANG Wenlong, CHEN Xiaodong, CHEN Ying, DONG Yong, MA Chunyuan. Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄[J]. , 2011, 19(3): 489-495.

王文龙, 陈晓冬, 陈莹, 董勇, 马春元. Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄[J]. , 2011, 19(3): 489-495.

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Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄

Calculation and Verification for the Thermodynamic Data of 3CaO·3Al₂O₃·CaSO₄

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