Abstract
Carbonized ion exchange resin beads were prepared as catalyst for gas phase hydrogenation processes. Amberlite IR 120 polystyrene based sulfonated ion exchange beads were carbonized at 900 °C. The process of carbonization was monitored by FTIR combined thermogravimetric analysis. During the carbonization formed sulfur dioxide, carbon dioxide and organic compounds. The carbon pearls were used as catalyst support for Pd nanoparticles. The catalyst was characterized by scanning electron microscopy and X-ray diffractometry. The diameters of the palladium nanoparticles on the catalyst surface were between 15 and 50 nm, but bigger aggregates were also detected. The catalyst was tested during the gas phased heterogeneous catalytic hydrogenation of 1-butene. The hydrogenation process was followed by FTIR measurements, 93% conversion was reached after 10 min.
Highlights
Carbon based catalysts have an important role in industrial catalytic processes due to the high specific surface area [1, 2], and excellent heat conductivity [3] of the various carbon allotropes which makes them exceptional catalyst supports
First step of the catalyst preparation: decomposition of the ion exchange resin measured by FTIR–TGA
Carbon beads were synthesized from polystyrene based ion exchange resin pearls
Summary
Carbon based catalysts have an important role in industrial catalytic processes due to the high specific surface area [1, 2], and excellent heat conductivity [3] of the various carbon allotropes which makes them exceptional catalyst supports. Extended author information available on the last page of the article. Reaction Kinetics, Mechanisms and Catalysis (2020) 129:85–94 applying carbon supported catalysts, the hydrogenation of nitrobenzene was successfully carried out to produce aniline [15,16,17]. Another important application is the gas phase hydrogenation of olefins [18, 19]
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