PHOTOCATALYTIC DEGRADATION OF 2,4-DICHLOROPHENOXYACETIC ACID FROM AQUEOUS SOLUTIONS USING IN2O3 NANOPARTICLES

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GHANEIAN MOHAMMAD TAGHI; EBRAHIMI ASGHAR; SALIMI JAVAD; KHOSRAVI RASOUL; FALLAHZADEH REZA ALI; AMROLLAHI MOHSEN; TAGHAVI MAHMOUD

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2016 | Volume:26 | Issue:137 Page(s): 159-170

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Title

PHOTOCATALYTIC DEGRADATION OF 2,4-DICHLOROPHENOXYACETIC ACID FROM AQUEOUS SOLUTIONS USING IN2O3 NANOPARTICLES

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Keywords

HERBICIDE REMOVALQ1

PHOTOCATALYTIC PROCESSQ1

INDIUM NANOPARTICLEQ1

2Q1

4-DICHLOROPHENOXYACETIC ACIDQ1

Abstract

Background and purpose: Among the numerous chemicals utilized in agriculture, 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) is widely used to control weeds. This herbicide is considered as a carcinogen and high toxic pollutant which is very difficult to remove due to its biological and chemical stability. This study aimed at photocatalytic degradation of 2, 4-D using indium oxide nanoparticles in the presence of ultraviolet light.Materials and methods: This study was carried out in bench scale and batch system. The effect of operating parameters such as pH (2-11), contact time (5-240 min), catalyst dose (0.1-2 g/l) and initial concentration of herbicide (5-40 m/l) on the efficiency of the process were studied. The experimental data were fitted to a pseudo-first-order kinetic model.Results: Increasing the pH and initial concentration of herbicide led to reduced efficiency while increasing the contact time and catalyst dose increased the efficiency. The best result (70% efficiency) was achieved at pH 3, 1 g/l catalyst dose, 120 min contact time, and 5 mg/l initial concentration. The process data well followed the pseudo-first-order kinetic model (R2=0.915).Conclusion: The results demonstrated that the PHOTOCATALYTIC PROCESS using indium oxide nanoparticles in the presence of ultraviolet light have a relatively good efficiency in removing 2, 4-D.

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APA: Copy

GHANEIAN, MOHAMMAD TAGHI, EBRAHIMI, ASGHAR, SALIMI, JAVAD, KHOSRAVI, RASOUL, FALLAHZADEH, REZA ALI, AMROLLAHI, MOHSEN, & TAGHAVI, MAHMOUD. (2016). PHOTOCATALYTIC DEGRADATION OF 2,4-DICHLOROPHENOXYACETIC ACID FROM AQUEOUS SOLUTIONS USING IN₂O₃ NANOPARTICLES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 26(137), 159-170. SID. https://sid.ir/paper/45678/en

Vancouver: Copy

GHANEIAN MOHAMMAD TAGHI, EBRAHIMI ASGHAR, SALIMI JAVAD, KHOSRAVI RASOUL, FALLAHZADEH REZA ALI, AMROLLAHI MOHSEN, TAGHAVI MAHMOUD. PHOTOCATALYTIC DEGRADATION OF 2,4-DICHLOROPHENOXYACETIC ACID FROM AQUEOUS SOLUTIONS USING IN₂O₃ NANOPARTICLES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2016;26(137):159-170. Available from: https://sid.ir/paper/45678/en

IEEE: Copy

MOHAMMAD TAGHI GHANEIAN, ASGHAR EBRAHIMI, JAVAD SALIMI, RASOUL KHOSRAVI, REZA ALI FALLAHZADEH, MOHSEN AMROLLAHI, and MAHMOUD TAGHAVI, “PHOTOCATALYTIC DEGRADATION OF 2,4-DICHLOROPHENOXYACETIC ACID FROM AQUEOUS SOLUTIONS USING IN₂O₃ NANOPARTICLES,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 26, no. 137, pp. 159–170, 2016, [Online]. Available: https://sid.ir/paper/45678/en

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