期刊
出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/zpch-2018-1194
关键词
decolorization; Fenton's process; reaction kinetics; textile dyes; wastewater
Textile industries use dyes to color their products and release waste water containing dyes, causing water pollution which is a serious problem for survival of human life on earth. The decolorization of basic turquise blue X-GB (BIB X-GB) 250% and basic blue X-GRRI. (BB X GRRL) 250% dyes was examined by advanced (Fenton process) oxidation process. The effects of different parameters (initial dye concentration, pH, concentrations of hydrogen peroxide (H2O2) and reaction time) have been examined and optimum conditions were determined. It has been noted that percentage decolorization of both dyes (50 mg/L) increases with increase in concentration of H2O2. At optimum conditions (pH =3.0, HH2O2 =4.8 mM, temperature= 50 degrees C, time =80 min of BTB X-GB, and pH = 5.0, H2O2 = 5.6 mM, temperature = 40 degrees C, time = 60 min of BB X-GRRL) the decolorization obtained by Fenton process was 85.83% of BTB X-GB and 74.98% for BB X-GRRL. 1st order, 2nd order and BMG kinetic models were used to analyze the data. BMG model gives us the higher values of correlation coefficients for all data. Results showed that Fe2+/H(2)O(2 )are most effective for oxidation treatment of waste water effluents containing dyes as main pollutants.
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