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809 Aktuelle Fachpublikationen in Asia-Pacific Journal of Chemical Engineering

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Metallurgical Characteristics and Effectiveness of Metallic Charges in Electric Arc Furnace

15.05.2008 | Cheng‐Wu Du, Miao‐Yong Zhu, Li‐Na Sun, Shi‐Ze Dong, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract The use of direct reduced iron (DRI), hot metal, cold pig iron, decarburized granular iron, iron carbide, and complex metal charges to replace scrap metal as the feedstock to an electric arc furnace not only resolves the lack of scrap supply, but is also very helpful in diluting the ...

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Development of Deep Desulfurization Technology with Premelted Slag during RH‐KTB Refining

15.05.2008 | Dong‐Ping Zhan, Zhou‐Hua Jiang, Wen‐Zhong Wang, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract The thermophysical properties of premelted slag and synthetic slag were measured under laboratory conditions. The tests of liquid steel desulfurization using CaO‐Al2O3‐SiO2‐MgO series premelted slag and a synthetic slag have been carried out with a MoSi2 electric resistance furnace. It ...

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Monitoring, Forecasting and Simulation of the Steelmaking Process

15.05.2008 | Xin Hong, Jia‐Ying Chen, Shao‐Bo Zheng, Xiao‐Lei Qiu, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract This paper introduced the sonic level monitor for continuous detection of slag condition, forecasting end‐composition of molten steel using artificial neural network, dynamic modeling and computer simulation of the steelmaking process.

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Physical Modeling and Optimization of Bottom Tuyere Configuration and Blowing Parameters in a Top and Bottom Combined Blowing Converter

15.05.2008 | Liang‐Cai Zhong, Zhe‐Long Lei, Chen‐Xi Ji, Ying‐Xiong Zhu, Mao‐Fa Jiang, Jun‐Ying Chen, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract Optimizing experiments for the bottom tuyere configuration and blowing parameters of the 120 tonne top and bottom combined blowing converter at Shaoguan Iron & Steel Co. were carried out in a reduced‐scale water model. Results showed that the former configuration with 6 bottom tuyeres ...

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Synthesis of Hydration‐resistant CaO Refractory by Addition of MgO

15.05.2008 | Min Chen, Nan Wang, Jing‐Kun Yu, Ai‐Jun Jin, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract Hydration‐resistant CaO refractory was synthesized by using lightweight CaCO3 powder as starting material with MgO addition. The addition of MgO not only promoted densification of the compact by inhibiting the grain growth of CaO, but also modified the microstructure of the clinker. ...

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A Mathematical Model of the Decarburization in UHP Electric Arc Furnace Charged with Hot Metal

15.05.2008 | Zhou‐Hua Jiang, Wei Gong, Wen‐Zhong Wang, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract A mathematical model is developed based on the reaction kinetics and mass balance to investigate the decarburization rate based on operational parameters of the UHP electric arc furnace charged with hot metal. Thus, the evolution of carbon content can be described accurately, and the ...

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Prediction of Scale Formation Problems in Oil Reservoirs and Production Equipment due to Injection of Incompatible Waters

15.05.2008 | J. Moghadasi, A. Sharif, H. Müuller‐Steinhagen, M. Jamialahmadi, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract In this paper, the mechanisms of scale formation from oilfield water are presented. An accurate model for predicting the scaling phenomena due to mixing of incompatible waters, changes in thermodynamic, kinetic and/or hydrodynamic conditions in oilfield operations is suggested. This ...

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Heat Transfer and Inclusion Behavior in Continuous Casting Tundishes

15.05.2008 | Miao‐Yong Zhu, Yong‐Lai Wu, Shu‐Guo Zheng, Ya‐Xian Chen, Zong‐Ze Huang, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract In this study, a mathematical model describing the three‐dimensional turbulent flow, heat transfer and inclusion behavior in continuous casting tundishes was developed. Numerical calculations were performed to study the characteristics of flow, heat transfer and inclusion behavior in a ...

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Microencapsulation Based on Emulsification for Producing Pharmaceutical Products: A Literature Review

15.05.2008 | Hua‐Jiang Huang, Wei‐Kang Yuan, Xiao Dong Chen, Asia-Pacific Journal of Chemical Engineering, 2008

Abstract In this paper, microencapsulation based on emulsification coupling with solvent evaporation, ionotropic gelation, coacervation technique, and spray drying are critically reviewed. The introduction of biocompatible polymers, especially polyelectrolytes, as wall‐forming materials are ...

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