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Catalytic packed bed non‐thermal plasma reactor for the extraction of hydrogen from hydrogen sulfide
Author(s) -
Linga Reddy E.,
Karuppiah J.,
Biju V. M.,
Subrahmanyam Ch.
Publication year - 2013
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.2924
Subject(s) - hydrogen sulfide , catalysis , packed bed , hydrogen , dielectric barrier discharge , nonthermal plasma , decomposition , thermal decomposition , plasma , chemistry , chemical engineering , sulfur , hydrogen production , volumetric flow rate , materials science , inorganic chemistry , chromatography , thermodynamics , organic chemistry , physics , electrode , quantum mechanics , engineering
SUMMARY The decomposition of hydrogen sulfide (H 2 S) to hydrogen and sulfur with Al 2 O 3 , MoO x /Al 2 O 3 , CoO x /Al 2 O 3 and NiO/Al 2 O 3 packed non‐thermal plasma dielectric barrier discharge reactor was studied. The reaction was carried out with 5‐mm discharge gap during the decomposition of 5 vol.% H 2 S at 150 ml/min (STP) flow rate. Typical results indicated the conversion of ~50% at a specific input energy of ~0.92 kJ/l H 2 S and 10% (in length) packed reactor showed the best conversion. Among the catalysts studied, MoO x and CoO x supported on Al 2 O 3 showed high performance, which may be caused by synergy between plasma excitation of the carrier gas molecules and catalytic behaviour of MoO x and CoO x . Copyright © 2012 John Wiley & Sons, Ltd.
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