A Facile Approach for Direct Decomposition of Nitrous Oxide Assisted by Non‐Thermal Plasma | Zendy

Mahammadunnisa Shaik | Zendy; Reddy Enkonda Linga | Zendy; Reddy Pathpi Reddy Manoj Kumar | Zendy; Subrahmanyam Challapalli | Zendy

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A Facile Approach for Direct Decomposition of Nitrous Oxide Assisted by Non‐Thermal Plasma

Author(s) -

Mahammadunnisa Shaik,

Reddy Enkonda Linga,

Reddy Pathpi Reddy Manoj Kumar,

Subrahmanyam Challapalli

Publication year - 2013

Publication title -

plasma processes and polymers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.644

H-Index - 74

eISSN - 1612-8869

pISSN - 1612-8850

DOI - 10.1002/ppap.201200114

Subject(s) - dielectric barrier discharge , nitrous oxide , nonthermal plasma , thermal decomposition , decomposition , materials science , residence time (fluid dynamics) , dielectric , plasma , ceramic , volumetric flow rate , analytical chemistry (journal) , oxide , chemical engineering , chemistry , composite material , chromatography , thermodynamics , organic chemistry , metallurgy , optoelectronics , physics , geotechnical engineering , quantum mechanics , engineering

Direct decomposition of nitrous oxide (N 2 O) was studied in a non‐thermal plasma (NTP) dielectric barrier discharge (DBD) reactor operated under ambient conditions. Influence of various parameters like discharge gap, input power, residence time, and N 2 O concentration were studied to achieve high conversions. The conversion decreased with increasing flow rate and N 2 O concentration. Typical results indicated that N 2 O decomposition may be efficient at high residence time and low concentrations. The degree of N 2 O decomposition varied between 30 and 100% with the power variation between 0.5 and 2.7 W. Interesting observation is that packing the discharge volume with dielectric materials (ceramic, glass, and Al 2 O 3 beads) improved the conversion. Under the same experimental conditions, the effect of the dielectric materials followed the order: ceramic beads > glass beads > Al 2 O 3 beads > no packing. It was concluded that packed bed plasma reactor may be an efficient way for the reduction of N 2 O emissions.

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