Solid Base MgO/Ceramic Honeycomb Catalytic Ozonation of Acetic Acid in Water

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College of Chemical Engineering, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
*S. Tong. Tel/Fax: 86-571-88320960. E-mail: [email protected]
Cite this: Ind. Eng. Chem. Res. 2017, 56, 39, 10965–10971
Publication Date (Web):September 7, 2017
Copyright © 2017 American Chemical Society
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MgO/ceramic honeycomb (MgO/CH) composite material was prepared by the excessive impregnation method, and its catalytic activity in ozonation of acetic acid at initial neutral pH value was investigated. It was found that the efficiency of ozonation in the presence of MgO/CH (81.6% acetic acid removal in 30 min) was greatly enhanced compared to that (only 18.7%) in the absence of MgO/CH under the same conditions. Besides the increase in pH value of the solution caused by MgO/CH, the surface active sites of MgO/CH also accelerated ozone decomposition, thus bringing about the further high efficiency of ozonation. Therefore, MgO/ceramic honeycomb is a potential catalyst in ozonation process.

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The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.iecr.7b02469.

  • Catalysis of MgO/CH at different pH, discussion the results at pH 11.2, catalytic activities of CH at different pH values, apparent reaction rate constants in section 3.3, catalytic activity and pH variation in tap water-prepared solution, discussion about the repeated test, characteristics of the ceramic honeycomb, AcOH degradation and MgO catalytic ozonation in other works (PDF)

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