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has been cited by the following article:

• TITLE: Fenton-Like Oxidation of Acid Yellow 23 in the Presence of Iron Rich Soil

  AUTHORS: Tagne Guy Merlain, Lawrence Tatanah Nanganoa, Belibi Belibi Placide Desire, Ndi Julius Nsami, Ketcha Joseph Mbadcam

  KEYWORDS: Acid Yellow 23, Discoloration, Heterogeneous Fenton, Iron Rich Soil

  JOURNAL NAME: Advances in Chemical Engineering and Science, Vol.6 No.5, November 30, 2016

  ABSTRACT: Treatment of yellow dye 23 by heterogeneous Fenton-like process was studied using iron rich soil as an iron source. The iron rich soil sample was characterized by XRD, SEM and BET analysis. XRD pattern indicates that the iron rich soil is made of goethite and hematite. The reaction was systematically investigated under various experimental conditions such as pH, iron rich soil dosage, oxidant and dye concentrations. The result revealed that using iron rich soil as catalyst led to high discoloration efficiency (97.71% for 140 min of treatment) at pH = 2.5, 2 g/L iron rich soil and 16 m·mol/L H2O2. The degradation kinetics of acid yellow 23 can be described by a pseudo-first-order reaction following the Langmuir-Hinshelwood mechanism. The main roles of hydroxyl radicals in degradation process were investigated by adding of various radical scavengers.