Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 8, Issue 1, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2019.103597
Keywords
DMSO wastewater; DMAC wastewater; Fenton process; Advanced oxidation process (AOPs)
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Nowadays, the treatment of dimethyl sulfoxide (DMSO) and N, N-dimethylacetamide (DMAC) wastewaters are a serious concern because of the use of these materials as a solvent in various industries such as pharmaceutical, electronic and acrylic fiber manufacturing process. In this research, employing of Fenton process for treatment of DMSO and DMAC wastewaters by considering the effect of operating parameters such as different initial DMSO and DMAC concentration, reaction time, initial pH, and different concentrations of Fenton's reagent were investigated. Experimental results illustrated that the maximum degradation efficiency for the treatment of synthetic DMSO wastewater was equal to 89.9 %, 89.7 %, 94.5 %, and 97.6 %, for initial concentration of DMSO equal to 250, 500, 1000, and 2000 mg.L-1, respectively. The maximum degradation efficiency of 81.9 %, 92.9 %, 94.8 %, and 95.8 % was reached at best operational conditions of the Fenton process for 250, 500, 1000, and 2000 mg.L-1 initial concentration of synthetic DMAC wastewater respectively. Kinetics study results presented that the kinetic reaction of DMSO and DMAC degradation by the Fenton process at all initial concentrations were well fitted with the BMG model.
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