Hydrothermal Synthesis and Adsorption Proprieties of Titania-Active Carbon Composites

Yue Luo; Xue Min Yan; Huan Yang; Gao Shen Su

doi:10.4028/www.scientific.net/AMR.150-151.391

Paper Titles

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Study on Application of Modified Polyethylene in Preparation of Wood-Plastic Composites
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Synthesis, Characterization and Thermal Analysis of Rod-Shaped Polyaniline-Barium Ferrites Nanocomposites
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Hydrothermal Synthesis and Adsorption Proprieties of Titania-Active Carbon Composites
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Crack Prevention-Based Selection Method for Thickness of L-Shaped Floorslab without Beam
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Sulfonation Surface Treatment of Plasma Alkali Secondary Lithium Battery Separator
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Effect of Compatibilizing Agent on Mechanical and Thermal Properties of Wood-Plastic Composites
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Research on Swirling Cavitation Degradation and its Application in Wastewater Treatment
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Hydrothermal Synthesis and Adsorption Proprieties of Titania-Active Carbon Composites

Abstract:

Titania nanoparticles were anchored onto active carbon (AC) through a hydrothermal process to obtain TiO2/AC composites. The optimal TiO2 loading and hydrothermal pH were investigated. The prepared TiO2/AC composites were used as adsorbents for dibenzothiophene (DBT) from model fuel. The adsorption capacity of TiO2/AC composite in the optimal synthesis conditions has enhanced 12.4% compared with pure AC. The adsorbents were regenerated by toluene washing, and the TiO2/AC composite showed higher adsorptive capacity than AC even after three recycles. The pore structure and surface chemical proprieties of TiO2/AC composite and AC were also investigated by N2 adsorption-desorption isotherms and Beohm titration. The results indicate that the surface acidic sites of TiO2/AC may play an important role in the improved adsorption performance.