Conversion of methane through dielectric-barrier discharge plasma |
| |
Authors: | Baowei WANG Xiaolei CAO Kuanhui YANG Genhui XU |
| |
Affiliation: | (1) Key Laboratory for Green Chemical Technology, School of Chemical Engineering Technology, Tianjin University, Tianjin, 300072, China |
| |
Abstract: | Methane coupling to produce C2 hydrocarbons through a dielectric-barrier discharge (DBD) plasma reaction was studied in four DBD reactors. The effects of
high voltage electrode position, different discharge gap, types of inner electrode, volume ratio of hydrogen to methane and
air cooling method on the conversion of methane and distribution of products were investigated. Conversion of methane is obviously
lower when a high voltage electrode acts as an outer electrode than when it acts as an inner electrode. The lifting of reaction
temperature becomes slow due to cooling of outer electrode and the temperature can be controlled in the expected range of
60°C–150°C for ensuring better methane conversion and safe operation. The parameters of reactors have obvious effects on methane
conversion, but it only slightly affects distribution of the products. The main products are ethylene, ethane and propane.
The selectivity of C2 hydrocarbons can reach 74.50% when volume ratio of hydrogen to methane is 1.50.
__________
Translated from Petrochemical Technology, 2007, 36(11): 1099–1103 译自: 石油化工] |
| |
Keywords: | methane dielectric-barrier discharge plasma C2 hydrocarbon reactor |
本文献已被 万方数据 SpringerLink 等数据库收录! |
|