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Reductive approach in the degradation of phenols with zero‐valent iron in aqueous media
Author(s) -
Katayama Yumi,
Simion Alina M.,
Mitoma Yoshiharu,
Yokoyama Daiki,
Aoyagi Mitsuru,
Harada Hiroyuki,
Simion Cristian
Publication year - 2018
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.13001
Subject(s) - phenol , phenols , chemistry , aqueous solution , reagent , cyclohexanol , catalysis , aqueous medium , human decontamination , degradation (telecommunications) , nuclear chemistry , zerovalent iron , inorganic chemistry , organic chemistry , waste management , telecommunications , adsorption , computer science , engineering
Treatment of p ‐cresol and other substituted phenols in aqueous media with Fe as electron donor, an acid as proton provider and a reduction catalyst was carried out as to mimic the treatment of phenolic wastewaters, in a first attempt of a reductive decontamination. From the various combinations tested, best results were obtained with a mixture of 7 mmol Fe, 9 mL 0.8 M H 2 SO 4 and 0.1 g Rh/C. The parent cyclohexanols were obtained quantitatively after only 50 minutes of shaking, at room temperature, at pH ~ 0.1. The effect of weight ratio phenol: reagents as well as the influence of the reaction time were studied. A reaction pathway was also proposed. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 483–488, 2019
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