Synthesis and Adsorption Properties of Nano Al2O3/TiO2 by Hydrothermal Method

Jin Feng Zou; Hai Feng Chen; Ting Yan

doi:10.4028/www.scientific.net/AMR.580.509

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 580Synthesis and Adsorption Properties of Nano...

Synthesis and Adsorption Properties of Nano Al₂O₃/TiO₂ by Hydrothermal Method

Abstract:

Using auminum nitrate nonahydrate and titanium dioxide nanowires as the main raw material, Al₂O₃/TiO₂ composite powers were prepared by the hydrothermal method at 200 oC for 24 hours. And the samples are characterized by XRD, nitrogen adsorption and desorption. The results show that the samples are corundum and rutile, and specific surface area is nearly 155 m2/g. Otherwise we tested samples for adsorption capacity of Congo red at different times, temperature and initial concentration under visible light irradiation. We found that it is the maximum adsorption efficiency (~107 mg/g) at the temperature of 50 oC, within one hour to reach the adsorption saturation.

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Periodical:

Advanced Materials Research (Volume 580)

Pages:

509-512

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.580.509

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Online since:

October 2012

Authors:

Jin Feng Zou, Hai Feng Chen, Ting Yan

Keywords:

Al₂O₃, Congo Red, Hydrothermal Method, TiO₂

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References

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