Copper/nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation

Ahmed M. Khalil; Laurent Michely; Rémy Pires; Stéphane Bastide; Souad Ammar; Mohamed Jaziri; Mohamed Chehimi

doi:10.26434/chemrxiv.14447628.v1

Materials Science

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Copper/nickel-Decorated Olive Pit Biochar: One Pot Solid State Synthesis for Environmental Remediation

20 April 2021, Version 1

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Abstract

Olive pit powder particles were impregnated with copper and nickel nitrates and pyrolyzed at 400 °C. The resulting material consists of bimetallic CuNi-decorated biochar. CuNi nanocatalysts were found to be as small as 10 nm and very well dispersed over biochar. XRD results evidenced zero valent copper and nickel and formation of copper-nickel solid solutions.The biochar@CuNi was found to be efficient catalyst of the reduction of methyl orange (MO) dye, taken as model pollutant.
To sum up, the one pot method devised in this work provided unique CuNi-decorated biochar and opens new horizons for the emerging topic of biochar-supported nanocatalysts.

Keywords

olive pits

biochar C

CuNi bimetallic nanocatalyst

methyl orange

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