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Review

Effective Heavy Metals Removal from Water Using Nanomaterials: A Review

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Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
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Chemistry and Nuclear Physics Institute, Atomic Energy Commission, P.O. Box 3001, Khartoum 11111, Sudan
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Chemistry Department, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
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Department of Chemistry, Faculty of Sciences and Arts in Balgarn, University of Bisha, P.O. BOX 199, Bisha 61922, Saudi Arabia
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LR11-ES31 Laboratory of Biotechnology and Valorisation of Bio-Geo Resources, Higher Institute of Biotechnology of Sidi Thabet, BiotechPole of Sidi Thabet, University of Manouba, Biotechpole Sidi Thabet, Ariana 2020, Tunisia
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Higher Institute of Biotechnology of Sfax (ISBS), Sfax University, P.O. Box 263, Sfax 3000, Tunisia
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Author to whom correspondence should be addressed.
Processes 2020, 8(6), 645; https://doi.org/10.3390/pr8060645
Received: 22 April 2020 / Revised: 13 May 2020 / Accepted: 23 May 2020 / Published: 29 May 2020
(This article belongs to the Special Issue Gas, Water and Solid Waste Treatment Technology)
The discharge of toxic heavy metals including zinc (Zn), nickel (Ni), lead (Pb), copper (Cu), chromium (Cr), and cadmium (Cd) in water above the permissible limits causes high threat to the surrounding environment. Because of their toxicity, heavy metals greatly affect the human health and the environment. Recently, better remediation techniques were offered using the nanotechnology and nanomaterials. The attentions were directed toward cost-effective and new fabricated nanomaterials for the application in water/wastewater remediation, such as zeolite, carbonaceous, polymer based, chitosan, ferrite, magnetic, metal oxide, bimetallic, metallic, etc. This review focused on the synthesis and capacity of various nanoadsorbent materials for the elimination of different toxic ions, with discussion of the effect of their functionalization on the adsorption capacity and separation process. Additionally, the effect of various experimental physicochemical factors on heavy metals adsorption, such as ionic strength, initial ion concentration, temperature, contact time, adsorbent dose, and pH was discussed. View Full-Text
Keywords: water treatment; nanomaterials; heavy metals; functionalization water treatment; nanomaterials; heavy metals; functionalization
MDPI and ACS Style

Tahoon, M.A.; Siddeeg, S.M.; Salem Alsaiari, N.; Mnif, W.; Ben Rebah, F. Effective Heavy Metals Removal from Water Using Nanomaterials: A Review. Processes 2020, 8, 645. https://doi.org/10.3390/pr8060645

AMA Style

Tahoon MA, Siddeeg SM, Salem Alsaiari N, Mnif W, Ben Rebah F. Effective Heavy Metals Removal from Water Using Nanomaterials: A Review. Processes. 2020; 8(6):645. https://doi.org/10.3390/pr8060645

Chicago/Turabian Style

Tahoon, Mohamed A., Saifeldin M. Siddeeg, Norah Salem Alsaiari, Wissem Mnif, and Faouzi Ben Rebah. 2020. "Effective Heavy Metals Removal from Water Using Nanomaterials: A Review" Processes 8, no. 6: 645. https://doi.org/10.3390/pr8060645

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