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Abstract:
The malachite green (MG) has been widely used in the aquaculture and textile industry as drugs and dyes, respectively. In recent years, it has been found that MG has side effects such as carcinogenicity, teratogenicity and mutagenesis. So it becomes particularly important to degrade MG for these industries. In this paper, a set of equipment using FTO conductive glass was developed for degradation of MG. Several factors affecting the efficiency of electrochemical degradation, including the solution of pH, electrolyte, applied current density and degradation time were investigated. Based on the results of single-factor experiment, the response surface methodology (RSM) was used for optimal conditions. The degradation rate of MG reaches above 98% by electrolysis in 6.56 g/L NaCl (pH 8.84) solution with current density as 8.61 mA/cm(2) for 20 min. The degradation process was preliminarily investigated by ultraviolet-visible (UV-vis) spectroscopy, fluorescence spectrometry, and total organic carbon analysis. The equipment and operation is simple, therefore could be used for the degradation of wastewater yielded during production.
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INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
ISSN: 1452-3981
Year: 2020
Issue: 11
Volume: 15
Page: 11437-11453
1 . 7 6 5
JCR@2020
1 . 3 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:160
JCR Journal Grade:4
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 3
SCOPUS Cited Count: 3
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: