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Role of Nano-Photocatalysts in Detoxification of Toxic Heavy Metals

[ Vol. 17 , Issue. 2 ]

Author(s):

Muhammad B. Tahir*, Abdullah M. Asiri, Muhammad F. Malik, Nadeem R. Khalid, Tahir Iqbal, Muhammad Rafique, Habiba Kiran, Shabbir Muhammad, Saifeldin M. Siddeeg and Khurram Shahzad   Pages 126 - 137 ( 12 )

Abstract:


Background: Nano-photocatalysis through semiconductor-based materials has become an emerging and eye-catching approach for detoxification of hazardous heavy metals in the aqueous environment.

Methods: In this article, photocatalysis, being a green technique along with several other detoxification technologies for toxic heavy metals, has been reviewed.

Furthermore, the adverse effects of heavy metals on human health, agricultural lands, environment, and aquatic systems were investigated. Toxic heavy-metals contribute to numerous environmental issues based on their toxicity.

Result: Various types of photocatalysts have been discussed in recent literature for the detoxification of heavy metals. The recycling of photocatalysts may be anticipated as a worthy method for wastewater treatment which is also discussed with recent examples.

Conclusion: Moreover, it concludes with efficiency, challenges and new future perspectives for heavy metal detoxification using photocatalysis.

Keywords:

Detoxification, efficient removal, environmental issues, heavy metals, nano-photocatalysis, treatment technologies.

Affiliation:

Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Department of Environmental Science, University of Gujrat, Gujrat, Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Department of Physics, College of Science, King Khalid University, Abha 61413, P.O. Box 9004, Department of Chemistry, College of Science, King Khalid University, Abha 61413, P.O. Box 9004, Center of excellence in Environmental Studies, King Abdulaziz University, Jeddah

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