Abstract
Biomass can be considered a renewable energy source. It undergoes a gasification process to obtain gaseous fuel, which converts it into combustible gaseous products such as hydrogen, carbon monoxide, and methane. The process also generates undesirable tars that can condense in gas lines and cause corrosion, and after processing, can be an additional source of combustible gases. This study focused on the processing of tar substances with toluene as a model substance. The effect of discharge power and carrier gas composition on toluene conversion was tested. The process was conducted in a plasma-catalytic system with a new Ni3Al system in the form of a honeycomb. The toluene conversion reached 90%, and small amounts of ethane, ethylene, acetylene, benzene, and C3 and C4 hydrocarbons were detected in the post-reaction mixture. Changes in the surface composition of the Ni3Al catalyst were observed throughout the experiments. These changes did not affect the toluene conversion.
Highlights
Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland; Faculty of Advanced Technologies and Chemistry, Military University of Warsaw, Kaliskiego 2, Abstract: Biomass can be considered a renewable energy source
Biomass gasification is a conversion of biomass into combustible gaseous products, such as hydrogen, carbon monoxide, and methane
Tars can be an additional source of gaseous fuels such as H2, CO, and CH4
Summary
Scanningelectron electronmicroscope microscopeobservations observationsrevealed revealedaacomplex complexmorphology morphologyon onboth both front and side surfaces of the catalyst Thepresence presenceofofoxygen oxygen may result from oxidation of the catalyst surbut the new come come from electrode corrosion and toluene processing. ); new deposits on catalyst’s edge arisen during toluene decomposition catalyst; (b) Spherical particles on the high voltage electrode surface of Al-Si alloy; (c) The edg-es of. The formation of nickel oxide and carbon deposits may limit the activity of the activity of the catalyst. Ni3Al catalyst’s side surface after toluene decomposition using SEM imaging (Figureof3)the performed at high magnification showed a slight surface development. Performed at high magnification showed a slight surface developNo nanofibers were observed, and the oxygen- and silicon-rich areas occupy a small area. Figure microscopy (SEM) images of the×side of a Ni3Al catalyst after toluene decomposition; (b) the catalyst
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