Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 282, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2022.125857
Keywords
Waste coffee spent; Heterogenous catalyst; Nitroarmatics
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The presence of nitro compounds and commercial dyes in water/wastewater causes environmental issues. Research groups have designed new efficient hybrid catalysts for the treatment of these industrial contaminants. Food wastes can be used to produce porous carbon materials as part of the Green Chemistry approach. In this work, a palladium/activated carbon hybrid catalyst (AC-Pd) was prepared and characterized, showing reduction capabilities for nitro compounds and organic dyes.
The presence of nitro compounds and such commercial dyes as Congo red, methylene blue, methyl orange and methyl red in water/wastewater causes environmental issues. The treatment of such industrial contaminants, new efficient hybrid catalysts are designed by Research groups all around the world. For this aim, a large of catalyst systems were designed and their water treatment capacities were investigated. As a part of Green Chemistry approach, food wastes could be used for production of porous carbon materials. In this work, a palladium/activated carbon hybrid catalyst (AC-Pd) was prepared and characterized by XRD, SEM/EDS and TEM. It was found from TEM analysis that the average particle size of AC-Pd hybrid was about 54 nm. The reduction capacity of AC-Pd for nitroarenes and organic dyes was investigated by UV-Vis. spectroscopy in aqueous media. According to catalytic tests results, AC-Pd nanocatalyst could be used in reduction of both nitro compounds and organic dyes.
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