STUDY OF THE EFFECTIVE PARAMETERS ON DECOLORIZATION OF METHYLENE BLUE USING UV RADIATION IN THE PRESENCE OF IMMOBILIZED CATALYST

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NOORI MOTLAGH Z.; DARVISHI R.; SHAMS KHORAM ABADI G.H.; GHODINI H.; FOROUGHI M.

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Journal: JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES Year:2013 | Volume:21 | Issue:1 Page(s): 36-46

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Title

STUDY OF THE EFFECTIVE PARAMETERS ON DECOLORIZATION OF METHYLENE BLUE USING UV RADIATION IN THE PRESENCE OF IMMOBILIZED CATALYST

Author(s)

Keywords

METHYLENE BLUEQ2

UV RADIATIONQ2

ADVANCED OXIDATIONQ2

CATALYST IMMOBILIZATIONQ2

Abstract

Introduction: Synthetic dyes are used in various industries such as cosmetics and health products, leather, food, leather, plastic, paper and textile industries. METHYLENE BLUE is an important chemical aromatic dye which commonly used in textile industries. Due to being aromatic, it is often toxic, carcinogenic, mutagenic and resistant to biodegradation. In this study, the efficiency of UV/ZnO system was assessed through the immobilization of nanoparticles on glass as one of the ADVANCED OXIDATION processes (AOP) for the decolorization of METHYLENE BLUE.Materials & Methods: This study was conducted as a batch process in a laboratory scale. The nanoparticle powders were immobilized on glass plate with thermal method. The nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). Also, UV/vis spectrophotometric was used to assess dye decolorization and the effects of important parameters such as the effect of UV, dye concentration, pH and different intensities of light on the efficiency of process were investigated.Findings: This study showed that the UV agent in the absence of zinc oxide catalyst cannot remove the METHYLENE BLUE dye, because it cannot individually generate enough decomposing agents (hydroxyl radical). Also, the results showed that the best pH value and radiation intensity were 7 and 3950mW/cm2 in 120 minutes, respectively. The dye decolorization was enhanced with decreasing initial dye concentration.Discussion & Conclusion: The results showed that in this process, the METHYLENE BLUE dye can be decolorized using immobilized zinc oxide nanoparticles in the presence of UV-C radiation. Due to CATALYST IMMOBILIZATION, the recycling and separation of nanoparticles are not necessary in this method. Therefore, by optimization of desired effective parameters it may lead to the complete decolorization of METHYLENE BLUE in a pilot scale.

Cites

EVALUATING THE EFFICIENCY OF DYE REMOVAL FROM TEXTILE INDUSTRY WASTEWATER USING THE TITANIUM DIOXIDE PHOTOCATALYTIC PROCESS UNDER UV-LED LIGHT IRRADIATION: A CASE STUDY, HAMADAN NAKH RANG FACTORY

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APA: Copy

NOORI MOTLAGH, Z., DARVISHI, R., SHAMS KHORAM ABADI, G.H., GHODINI, H., & FOROUGHI, M.. (2013). STUDY OF THE EFFECTIVE PARAMETERS ON DECOLORIZATION OF METHYLENE BLUE USING UV RADIATION IN THE PRESENCE OF IMMOBILIZED CATALYST. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, 21(1), 36-46. SID. https://sid.ir/paper/89841/en

Vancouver: Copy

NOORI MOTLAGH Z., DARVISHI R., SHAMS KHORAM ABADI G.H., GHODINI H., FOROUGHI M.. STUDY OF THE EFFECTIVE PARAMETERS ON DECOLORIZATION OF METHYLENE BLUE USING UV RADIATION IN THE PRESENCE OF IMMOBILIZED CATALYST. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2013;21(1):36-46. Available from: https://sid.ir/paper/89841/en

IEEE: Copy

Z. NOORI MOTLAGH, R. DARVISHI, G.H. SHAMS KHORAM ABADI, H. GHODINI, and M. FOROUGHI, “STUDY OF THE EFFECTIVE PARAMETERS ON DECOLORIZATION OF METHYLENE BLUE USING UV RADIATION IN THE PRESENCE OF IMMOBILIZED CATALYST,” JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. 1, pp. 36–46, 2013, [Online]. Available: https://sid.ir/paper/89841/en

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