Removal of Acid Orange 7 dye from wastewater using combination of ultraviolet radiation, ultrasonic method, and MgO nanoparticles

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TALAIEKHOZANI AMIRREZA; Heydari Chaleshtori Abbas; Banisharif Farhad; Eskandari Zeinab; NASIRI MOHAMMAD; Aminsharei Farham; Park Junboum; Rezania Shahabaldin; Bazrafshan Maryam

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Journal: Environmental Health Engineering and Management Journal Year:2019 | Volume:6 | Issue:3 Page(s): 157-170

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Title

Removal of Acid Orange 7 dye from wastewater using combination of ultraviolet radiation, ultrasonic method, and MgO nanoparticles

Author(s)

Keywords

Azo compounds

Ultraviolet rays

Ultrasonic method

Nanoparticles

Waste water

Kinetics

Abstract

Background: Industrial dyes are toxic and carcinogenic, therefore, they should be removed from wastewater. The aim of this study was to investigate the removal of acid orange 7 Dye from wastewater using ultraviolet (UV) radiation, MgO Nanoparticles, Ultrasonic method alone and in combination with each other. Methods: The effects of some factors such as temperature, pH, hydraulic retention time (HRT), UV power, and concentration of MgO Nanoparticles on the removal of Acid Orange 7 dye from synthetic wastewater using different methods were investigated. Also, adsorption isotherms for MgO Nanoparticles and Kinetics for UV radiation were investigated. Results: The optimum HRT was 55 minutes while the temperature was not effective in dye removal using the Ultrasonic method. Under optimum conditions for UV irradiation method (HRT = 70 minutes, UV power = 170 mW/cm2, and temperature = 10˚ C), 58% of the dye was removed. However, under optimum conditions for MgO Nanoparticles method (HRT = 15 minutes, temperature = 20˚ C, and ratio of MgO Nanoparticles to the initial dye concentration = 67. 2), 82% of the dye was removed. By combining these methods, the dye removal efficiency was significantly increased. The combination of Ultrasonic method and MgO Nanoparticles had no significant effect on increasing the dye removal efficiency from wastewater. It was revealed that dye removal using UV radiation can be described by the first-order Kinetics. Conclusion: According to the results, UV radiation has a synergistic effect on the dye adsorption process by MgO Nanoparticles. Therefore, the combination of these methods can be effective for the removal of dye from wastewater.

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APA: Copy

TALAIEKHOZANI, AMIRREZA, Heydari Chaleshtori, Abbas, Banisharif, Farhad, Eskandari, Zeinab, NASIRI, MOHAMMAD, Aminsharei, Farham, Park, Junboum, Rezania, Shahabaldin, & Bazrafshan, Maryam. (2019). Removal of Acid Orange 7 dye from wastewater using combination of ultraviolet radiation, ultrasonic method, and MgO nanoparticles. ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL, 6(3), 157-170. SID. https://sid.ir/paper/349012/en

Vancouver: Copy

TALAIEKHOZANI AMIRREZA, Heydari Chaleshtori Abbas, Banisharif Farhad, Eskandari Zeinab, NASIRI MOHAMMAD, Aminsharei Farham, Park Junboum, Rezania Shahabaldin, Bazrafshan Maryam. Removal of Acid Orange 7 dye from wastewater using combination of ultraviolet radiation, ultrasonic method, and MgO nanoparticles. ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL[Internet]. 2019;6(3):157-170. Available from: https://sid.ir/paper/349012/en

IEEE: Copy

AMIRREZA TALAIEKHOZANI, Abbas Heydari Chaleshtori, Farhad Banisharif, Zeinab Eskandari, MOHAMMAD NASIRI, Farham Aminsharei, Junboum Park, Shahabaldin Rezania, and Maryam Bazrafshan, “Removal of Acid Orange 7 dye from wastewater using combination of ultraviolet radiation, ultrasonic method, and MgO nanoparticles,” ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL, vol. 6, no. 3, pp. 157–170, 2019, [Online]. Available: https://sid.ir/paper/349012/en

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