Electrocatalytic Synthesis of p-Aminophenol Using Fe‒Ag Composites
Ivanova N.M. Vissurkhanova Y.A. Soboleva E.A. Muldakhmetov Z.M.
October 2023Pleiades Publishing
Russian Journal of Electrochemistry
2023#59Issue 10787 - 796 pp.
Abstract: p-Aminophenol is synthesized by the electrocatalytic hydrogenation of p-nitrophenol catalyzed by Ag + Fe + Fe3O4 (or Fe2O3) composites formed in the course of thermal treatment and electrochemical reduction of silver ferrite AgFeO2. The AgFeO2 samples are synthesized by co-precipitation in the presence and in the absence of a polymer (polyvinyl alcohol, polyvinylpyrrolidone). It is found that polymers affect the phase composition of metal composites formed both in the stage of synthesis and also after thermal treatment and electrochemical reduction. It is shown that the thus prepared Fe–Ag-containing composites exhibit the high electrocatalytic activity in the electrohydrogenation of p-nitrophenol, increasing its hydrogenation rate by a factor 2.2–2.7 as compared with its electrochemical reduction under similar conditions.
electrocatalytic hydrogenation , Fe–Ag catalysts , p-aminophenol , p-nitrophenol , silver ferrite , structural-phase changes
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Institute of Organic Synthesis and Coal Chemistry of the Kazakhstan Republic, Karaganda, Kazakhstan
Institute of Organic Synthesis and Coal Chemistry of the Kazakhstan Republic
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