Catalytic nonthermal plasma reactor for the abatement of low concentrations of isopropanol

Karuppiah, J and Sivachandiran, L and Karvembu, R and Ch, Subrahmanyam (2010) Catalytic nonthermal plasma reactor for the abatement of low concentrations of isopropanol. Chemical Engineering Journal, 165 (1). pp. 194-199. ISSN 1385-8947

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Oxidative decomposition of a model volatile organic compound (isopropanol, IP) has been carried out in a catalytic dielectric barrier discharge (DBD) reactor, where modified sintered metal fiber (SMF) filter was used as the inner electrode. The SMF was modified with Mn and Co oxides by impregnation, followed by calcination and the performance of the DBD reactor was tested for the oxidation of IP in the specific input energy range 160-720J/l by varying the high voltage and frequency. It has been observed that SMF modification by MnOx and CoOx not only improved the conversion of isopropanol, but also increased the selectivity towards total oxidation. MnOx modification showed better performance than CoOx, which may be attributed to the formation of atomic oxygen by in situ decomposition of ozone. It has been demonstrated that with MnOx/SMF it is possible to completely oxidize 100ppm of isopropanol at SIE<200J/l.

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IITH Creators:
IITH CreatorsORCiD
Ch, Subrahmanyam
Item Type: Article
Uncontrolled Keywords: Dielectric barrier discharge; Isopropanol; Ozone; Sintered metal fibres; Specific input energy; Atomic oxygen; Co-oxides; Dielectric barrier discharge reactors; Dielectric barrier discharges; High voltage; In-situ; Inner-electrodes; Iso-propanols; Low concentrations; Nonthermal plasma reactors; Oxidative decomposition; Sintered metal fibers; Sintered metals; Specific input energies; Total oxidation
Subjects: Chemistry > Organic chemistry
Divisions: Department of Chemistry
Depositing User: Mr. Siva Shankar K
Date Deposited: 13 Oct 2014 05:19
Last Modified: 04 Dec 2017 06:53
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