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Effect of B_2O_3 on the Viscosity of Primary Liquid in Magnetite Sintering Process

LANG Jian feng,ZHANG Yu zhu,LI Zhen guo (Hebei Institute of Technology,Tangshan,Hebei,China)  
The formation of primary liquid and effect of B 2O 3 addition on the viscosity of primary liquid in magnetite sintering process has been investigated.The result show that the primary liquid is formed in the system FeO n—CaO—SiO 2 and the viscosity of primary liquid is reduced with increasing B 2O 3.The reason for that was theoretically analysed.Reliability of conclusions was further confirmed by means of infrared spectra and X-ray photoelectron spectroscopy.
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