Ozone Decomposition over Silver-Loaded Perlite

Krassimir Genov, Vladimir Georgiev, Todor Batakliev, Dipak Sarker

Research output: Contribution to journalArticle

Abstract

The Bulgarian natural expanded mineral obtained from Bentonite AD perlite (A deposit of "The Broken Mountain" for perlite mining, near by the village of Vodenicharsko, in the municipality of Djebel), was loaded with silver (as ion form - Ag+ 2 and 5 wt% by the incipient wetness impregnation method), and as atomic silver - Ag0 using Tollen’s reagent (silver mirror reaction). Some physicochemical characterization of the samples are provided via: DC arc-AES, XRD, DR-IR and UV-VIS. The aim of this work was to obtain and test the silver-loaded catalyst for ozone decomposition. So the samples loaded with atomic silver show ca. 80% conversion of ozone 20 minutes after the reaction start. Then conversion decreases to ca. 20 % but stay stable during the prolongation of time.
Original languageEnglish
Article number56
Pages (from-to)1015-1018
JournalWorld Academy of Science, Engineering and Technology
Volume56
DOIs
Publication statusPublished - 1 Aug 2011

Keywords

  • perlite glass
  • ozone catalysis

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  • Activities

    • 1 Research degree
    • 1 Invited talk

    Masters Degree by Research (France) - Mr Victor Jasny (University of Tours at Blois)

    Dipak Sarker (Supervisor)

    1 Mar 20201 Aug 2020

    Activity: External examination and supervisionResearch degree

    Nanosystems for in-vivo self-assembling medical devices.

    Dipak Sarker (Presenter)

    14 Nov 201415 Nov 2014

    Activity: External talk or presentationInvited talk

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