EFFICIENCY STUDY ON NANOPHOTOCATALYTIC DEGRADATION AND DETOXIFICATION OF C.I.DIRECT BLUE 86 FROM AQUATIC SOLUTION USING UVA/TIO2 AND UVA/ZNO

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AHMADI MOGHADAM MEHDI; JAAFARZADEH HAGHIGHIFARD NEEMATALLAH; MIRALI SAMANEH; JORFI SAHAND; DINARVAND FEYZALLA; ALAVI NADALI

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2016 | Volume:26 | Issue:143 Page(s): 145-159

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Title

EFFICIENCY STUDY ON NANOPHOTOCATALYTIC DEGRADATION AND DETOXIFICATION OF C.I.DIRECT BLUE 86 FROM AQUATIC SOLUTION USING UVA/TIO2 AND UVA/ZNO

Author(s)

Keywords

DIRECT BLUE 86Q1

UV/TIO2Q1

UV/ZNOQ1

BIOASSAYQ2

DAPHNIA MAGNAQ2

Abstract

Background and purpose: Textile dye effluents have some potential risks which require effective treatment before discharging into the environment. Advanced oxidation processes can remove pollutants faster than other processes due to active hydroxyl radical production; therefore, increase the efficiency of dye removal. This study was aimed at investigating dye removal process using UVA/ZnO and UVA/TiO2 nanocatalysts.Materials and methods: This study was done in a batch reactor on synthetic and real samples and the effects of initial dye concentrations, TiO2 and ZnO nanoparticles dosage, time, pH and interference compounds on efficiency of dye removal was investigated. The DAPHNIA MAGNA was used for BIOASSAY test.Results: The removal rates of dye in optimum conditions were 69% and 95.5% by UVA/ZnO and UVA/TiO2 processes, respectively and the optimum pH in the process was 9 and 2, respectively. In this study, the initial concentration of dye and COD were found to have adverse relation with removal rate of dye in two processes (p<0.05, r2 ZnO=0.99, r2 TiO2=0.94). With increasing the catalyst and exposure time at both processes the dye removal rate increased. In this study, LC50 96 h decreased from 96.7 to 44.7 mg/l.Conclusion: The current study showed that TiO2/UVA process with effective optimization of operational factors, has high performance in R.B 86 dye decolorization and reducing toxicity.

Cites

PHOTOCATALYTIC REMOVAL OF REACTIVE RED 198 FROM AQUEOUS SOLUTION USING TITANIUM DIOXIDE PHOTOCATALYST SUPPORTED ON FE-ZSM-5 ZEOLITE

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APA: Copy

AHMADI MOGHADAM, MEHDI, JAAFARZADEH HAGHIGHIFARD, NEEMATALLAH, MIRALI, SAMANEH, JORFI, SAHAND, DINARVAND, FEYZALLA, & ALAVI, NADALI. (2016). EFFICIENCY STUDY ON NANOPHOTOCATALYTIC DEGRADATION AND DETOXIFICATION OF C.I.DIRECT BLUE 86 FROM AQUATIC SOLUTION USING UVA/TIO2 AND UVA/ZNO. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 26(143), 145-159. SID. https://sid.ir/paper/45245/en

Vancouver: Copy

AHMADI MOGHADAM MEHDI, JAAFARZADEH HAGHIGHIFARD NEEMATALLAH, MIRALI SAMANEH, JORFI SAHAND, DINARVAND FEYZALLA, ALAVI NADALI. EFFICIENCY STUDY ON NANOPHOTOCATALYTIC DEGRADATION AND DETOXIFICATION OF C.I.DIRECT BLUE 86 FROM AQUATIC SOLUTION USING UVA/TIO2 AND UVA/ZNO. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2016;26(143):145-159. Available from: https://sid.ir/paper/45245/en

IEEE: Copy

MEHDI AHMADI MOGHADAM, NEEMATALLAH JAAFARZADEH HAGHIGHIFARD, SAMANEH MIRALI, SAHAND JORFI, FEYZALLA DINARVAND, and NADALI ALAVI, “EFFICIENCY STUDY ON NANOPHOTOCATALYTIC DEGRADATION AND DETOXIFICATION OF C.I.DIRECT BLUE 86 FROM AQUATIC SOLUTION USING UVA/TIO2 AND UVA/ZNO,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 26, no. 143, pp. 145–159, 2016, [Online]. Available: https://sid.ir/paper/45245/en

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