Heavy metals in drinking water: occurrences, implications, and future needs in developing countries

S Chowdhury, MAJ Mazumder, O Al-Attas… - Science of the total …, 2016 - Elsevier
Heavy metals in drinking water pose a threat to human health. Populations are exposed to
heavy metals primarily through water consumption, but few heavy metals can bioaccumulate …

The role of nanomaterials as effective adsorbents and their applications in wastewater treatment

H Sadegh, GAM Ali, VK Gupta, ASH Makhlouf… - Journal of Nanostructure …, 2017 - Springer
Nanomaterials have been extensively studied for heavy metal ions and dye removals from
wastewater. This article reviews the role of nanomaterials as effective adsorbents for …

Pyrolytic temperatures impact lead sorption mechanisms by bagasse biochars

W Ding, X Dong, IM Ime, B Gao, LQ Ma - Chemosphere, 2014 - Elsevier
The characteristics and mechanisms of Pb sorption by biochars produced from sugarcane
bagasse at 250, 400, 500, and 600° C were examined. The Pb sorption isotherms, kinetics …

Study on the removal of heavy metal ions from industry waste by carbon nanotubes: effect of the surface modification: a review

VK Gupta, O Moradi, I Tyagi, S Agarwal… - Critical Reviews in …, 2016 - Taylor & Francis
Removal of noxious materials such as heavy metal ions (which are hazardous above certain
ppm concentration) from wastewater is one of the biggest environmental challenges that …

Adsorption of divalent heavy metal ions from water using carbon nanotube sheets

MA Tofighy, T Mohammadi - Journal of hazardous materials, 2011 - Elsevier
Removal of some divalent heavy metal ions (Cu2+, Zn2+, Pb2+, Cd2+, Co2+) from aqueous
solutions using carbon nanotube (CNT) sheets was performed. CNT sheets were …

Application of carbon nanotube technology for removal of contaminants in drinking water: a review

VKK Upadhyayula, S Deng, MC Mitchell… - Science of the total …, 2009 - Elsevier
Carbon nanotube (CNT) adsorption technology has the potential to support point of use
(POU) based treatment approach for removal of bacterial pathogens, natural organic matter …

Sorption of divalent metal ions from aqueous solution by carbon nanotubes: a review

GP Rao, C Lu, F Su - Separation and purification technology, 2007 - Elsevier
In this article, the technical feasibility of various kinds of raw and surface oxidized carbon
nanotubes (CNTs) for sorption of divalent metal ions (Cd2+, Cu2+, Ni2+, Pb2+, Zn2+) from …

Adsorptive removal of cadmium (II) ions from liquid phase using acid modified carbon-based adsorbents

FA Al-Khaldi, B Abusharkh, M Khaled, MA Atieh… - Journal of Molecular …, 2015 - Elsevier
This work reports a comprehensive study of the adsorption characteristics of cadmium (II) on
modified structures of carbon nanotubes (CNTs), carbon nanofibres (CNFs), activated …

Pb (II) and Cr (VI) sorption by biochars pyrolyzed from the municipal wastewater sludge under different heating conditions

W Zhang, S Mao, H Chen, L Huang, R Qiu - Bioresource technology, 2013 - Elsevier
To optimize the pyrolysis process of municipal wastewater sludge for metal sorption, this
study investigated the characteristics of the produced biochar under different heating …

Effect of carboxylic functional group functionalized on carbon nanotubes surface on the removal of lead from water

MA Atieh, OY Bakather, B Al-Tawbini… - Bioinorganic …, 2010 - Wiley Online Library
The adsorption mechanism of the removal of lead from water by using carboxylic functional
group (COOH) functionalized on the surface of carbon nanotubes was investigated. Four …