The Effect of Temperature on the Plasma-Catalytic Destruction of Propane and Propene: A Comparison with Thermal Catalysis

被引:23
作者
Blackbeard, Tarryn [1 ]
Demidyuk, Vladimir [1 ]
Hill, Sarah L. [1 ]
Whitehead, J. Christopher [1 ]
机构
[1] Univ Manchester, Sch Chem, Manchester M13 9PL, Lancs, England
关键词
Plasma catalysis; Non-thermal plasma; Atmospheric pressure; Plasma; Propane; Propene; VOLATILE ORGANIC-COMPOUNDS; NONTHERMAL PLASMA; TOLUENE DECOMPOSITION; REMOVAL; DISCHARGE; ENHANCEMENT; IRRADIATION; SYSTEM; NOX; CO2;
D O I
10.1007/s11090-009-9189-8
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A comparison has been made of plasma-catalysis with thermal-catalysis and plasma alone for the removal of low concentrations of propane and propene from synthetic air using a one-stage, catalyst-in discharge configuration. In all cases, plasma-catalysis produces better hydrocarbon destructions similar to 40%) than thermal catalysis at low temperatures. At higher temperatures, little difference is observed between plasma-catalytic and thermal-catalytic operation. Plasma operation by itself had a similar effectiveness to plasma-catalysis at low temperatures but was significantly lower (up to 50%) as the temperature was raised. By examining the form of the temperature dependence for the plasma-catalytic destruction processes, it is possible to phenomenologically distinguish two contributions to the destruction; one that is specifically plasma-induced and another (at higher temperatures) in which both plasma and thermal activation have similar mechanisms.
引用
收藏
页码:411 / 419
页数:9
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