Synthesis of supported nanocatalysts via novel non‐thermal plasma methods and its application in catalytic processes

Abstract

Heterogeneous catalysis is of great importance in chemical industries. Hence, various approaches are studied to improve catalyst characteristics with the purpose of promoting catalytic reactions. Among them, non‐thermal plasma treatment has attracted more attention due to its low temperature operation, simplicity, and shorter processing time. An extensive review has been performed for better understanding of various aspects of this technique. Unanimously, it is reported that plasma method leads to higher conversion, lower temperature activity and better coke suppression. In light of the investigated literature, application of plasma seems to have potential of starting a revolution in chemical processes. However, it necessitates more works to promote this technology toward industrial application.

Low temperature removal of toluene over Ag/CeO2/Al2O3 nanocatalyst in an atmospheric plasma catalytic system

“…A very promising alternative is the plasma catalytic process, in which the collision between energetic electrons and gas molecules can generate radicals that effectively induce chemical reactions under the action of catalysts, favoring the achievement of high reactant conversion at low temperatures compared with the conventional catalytic process . For the oxidative removal of toluene, plasma catalytic system (PCS) possesses the following benefits.…”

Catalytic hydrodeoxygenation of anisole over nickel supported on plasma treated alumina–silica mixed oxides

“…34 The mesoporous alumina-silica mixed oxides show high specic surface area of 517 m 2 g À1 , with a small enhancement aer plasma treatment which is in consistent with the results in other literature. 25 As shown in Fig. 2 the hysteresis loops of the plasma treated supports are shied to lower P/P 0 values.…”

“…[19][20][21][22][23][24] The plasma treatment of catalysts has recently been reviewed in our published article. 25 However, the effect of this surface modication method in HDO reaction is not reported.…”

A review on the recent progress, challenges, and perspectives of atmospheric‐pressure cold plasma for preparation of supported metal catalysts

“…Recently, cold plasma for synthesizing supported catalysts has gained an increasing attention, and correspondingly several reviews have been published . To avoid the high cost caused by vacuum equipment, there has always been a strong motivation to operate cold plasma at atmospheric pressure .…”