期刊
RUSSIAN JOURNAL OF APPLIED CHEMISTRY
卷 94, 期 11, 页码 1513-1524出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1070427221110069
关键词
plasma catalytic conversion; lignin; microwave radiation; iron oxide; tar
资金
- Russian Science Foundation [21-13-00457]
- Russian Science Foundation [21-13-00457] Funding Source: Russian Science Foundation
This study focuses on the conversion of tar and iron-modified lignin using microwave radiation, leading to the production of a wide range of gaseous and liquid hydrocarbons, with 75% being light hydrocarbons. The solid carbon residue containing iron(III) oxide clusters can act as a catalyst and plasma generator, showing the ability to absorb microwave radiation.
The study is devoted to the conversion of tar and iron-modified lignin under the action of microwave radiation. Lignin containing 0.5 wt % Fe absorbs about 80% of the supplied microwave radiation (2.45 GHz), which leads to a rapid increase in temperature in the reaction zone with the formation of plasma. During the conversion of a lignin (0.5 wt % Fe)/tar blend a wide range of gaseous and liquid hydrocarbons was produced, therewith the amount of light hydrocarbons was 75%. The solid carbon residue containing iron(III) oxide clusters is also characterized by the ability to absorb microwave radiation; it was employed as a catalyst and as a plasma generator in the 2nd cycle of the converting only tar under the influence of microwave radiation. The structure of nanosized iron-containing components was studied by transmission electron microscopy, X-ray diffraction, and Mossbauer spectroscopy, which made it possible to describe their genesis.
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