Study of the Ability of Sulfate and Hydroxyl Radicals Activated by Ozone Molecules in Degradation of Acid Blue 25 (AB25) Dye from Synthetic Effluent

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MEHRALIPOUR J.; AHMADI S.; BAHADORI R.; SHAHBAZI Z.; SAMARGHANDI M.R.

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Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2018 | Volume:12 | Issue:3 Page(s): 207-216

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Title

Study of the Ability of Sulfate and Hydroxyl Radicals Activated by Ozone Molecules in Degradation of Acid Blue 25 (AB25) Dye from Synthetic Effluent

Author(s)

Keywords

Persulfate anionQ1

Hydrogen peroxideQ1

OzoneQ1

Acid blue 25 dyeQ1

Synthetic effluentsQ1

Abstract

Dyes are stable in the conventional wastewater treatment processes. Use of Ozone with Persulfate anions and Hydrogen peroxide compounds releases active radicals. The aim of study was to determine the effectiveness of hydroxyl and sulfate radicals that activated by Ozone molecules in (AB25) decomposition. This study was handled in semi batch Ozonation reactor with one liter volume. In O3/PS process effect of pH, concentration of persulfate, concentration of Ozone and concentration of AB25 parameters and in O3/H2O2 process effect of pH, H2O2, concentration of Ozone and concentration of AB25 parameters were investigated. Synergistic effect of parameters in processes determined. For measurement of AB25 use of DR6000 instrument. The results of study was showed that pH, Persulfate anion, Ozone concentration, reaction time and initial concentration parameters in O3/PS process and pH, H2O2, Ozone concentration, reaction time and initial concentration in O3/H2O2 have a significant impact on performance of processes. Highest efficiency of O3/PS process (97/58 %) is in acidic pH. Process efficiency has a direct relationship with increasing of persulfate to a certain extent. Increasing in concentration of pollutant cause reduce of efficiency. Highest efficiency of O3/H2O2 process (98/96 %) is in alkaline pH. Process efficiency has a direct relationship with increasing of H2O2 to a certain limit. Increasing in concentration of pollutant cause reduce of efficiency. Due to the production of active radicals, Ozonation process in presence of Persulfate anion and H2O2 is suitable process in removal of resistance pollutant such an Acid blue 25 dye.

Cites

Efficiency and Modeling of UV-Electropersulfate Process via Iron Electrode in the Degradation of Acid Blue 25 Dye Using Central Composite Design

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APA: Copy

MEHRALIPOUR, J., AHMADI, S., BAHADORI, R., SHAHBAZI, Z., & SAMARGHANDI, M.R.. (2018). Study of the Ability of Sulfate and Hydroxyl Radicals Activated by Ozone Molecules in Degradation of Acid Blue 25 (AB25) Dye from Synthetic Effluent. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 12(3 ), 207-216. SID. https://sid.ir/paper/137381/en

Vancouver: Copy

MEHRALIPOUR J., AHMADI S., BAHADORI R., SHAHBAZI Z., SAMARGHANDI M.R.. Study of the Ability of Sulfate and Hydroxyl Radicals Activated by Ozone Molecules in Degradation of Acid Blue 25 (AB25) Dye from Synthetic Effluent. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2018;12(3 ):207-216. Available from: https://sid.ir/paper/137381/en

IEEE: Copy

J. MEHRALIPOUR, S. AHMADI, R. BAHADORI, Z. SHAHBAZI, and M.R. SAMARGHANDI, “Study of the Ability of Sulfate and Hydroxyl Radicals Activated by Ozone Molecules in Degradation of Acid Blue 25 (AB25) Dye from Synthetic Effluent,” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 12, no. 3 , pp. 207–216, 2018, [Online]. Available: https://sid.ir/paper/137381/en

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