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Study on the Effect of sintering agent on the property of Alumina Ceramic Support

Authors： TONG Zhi，LI Ying, HU Mindun，HUO Lele，LI Haihong，WANG Dan

Units： School of Environmental and Chemical Engineering, xi’an Polytechnic University, xi’an 710048,China

KeyWords： alumina ceramics； sintering agent； single tube support

ClassificationCode：X781.5

year,volume(issue):pagination： 2015,35(5):42-46

Abstract：

Single tube α-Al2O3 ceramic support with α-Al2O3 as aggregate and CuO-TiO2 and Cu2O-TiO2 as sintering agent respectively was prepared by flow-forming and solid sintering .The effect of sintering agent on the property of the sintering temperature， the composition of the crystal phase and the micro morphology was studied. The sample was characterized by X- ray diffraction (XRD), scanning electron microscopy (SEM) and self-assembly equipment. The research results show that TiO2-Cu2O can also promote sintering compactness,and the support with the porosity 33.42%, pure water flux 7927.87 L/m2·h·MPa, bending strength 81.47 MPa and acid /alkali corrosion weight loss of the support 0.97%/1.22% was prepared well，when the highest sintering temperature was 1200℃ and the optimum addition of Cu2O was 0.7% (wt%).

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