2015
DOI: 10.1080/10643389.2015.1061874
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Study on the removal of heavy metal ions from industry waste by carbon nanotubes: Effect of the surface modification: a review

Abstract: 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 suffers the Downloaded by [New York University] at 19:39 22 June 2015 ACCEPTED MANUSCRIPT ACCEPTED MANUSCRIPT 2 economy nowadays. On the basis of their versatility, environmental friendliness, the adsorption was proved to be a most economical and efficient technology, which is used extensively for their removal from the aqueous media. Am… Show more

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Cited by 302 publications
(93 citation statements)
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“…However, the atoms on the surface of the adsorbent are not wholly surrounded by other adsorbent atoms, therefore they can attract adsorbates [48][49][50][51][52]. The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption (an adsorbate bound to the surface by weak van der Waals forces), chemisorption (an adsorbate tethered through covalent bonding [53] or due to electrostatic attraction [26]). …”
Section: Adsorption Phenomenonmentioning
confidence: 99%
See 3 more Smart Citations
“…However, the atoms on the surface of the adsorbent are not wholly surrounded by other adsorbent atoms, therefore they can attract adsorbates [48][49][50][51][52]. The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption (an adsorbate bound to the surface by weak van der Waals forces), chemisorption (an adsorbate tethered through covalent bonding [53] or due to electrostatic attraction [26]). …”
Section: Adsorption Phenomenonmentioning
confidence: 99%
“…Such adsorbents such as activated carbon (AC), zeolites, biomaterials, polymers, have been used extensively for wastewater treatment [22][23][24][25][26][27][28][29][30][31]. However, the adsorption efficiency of these materials is relatively low [26]. Therefore, it has become essential to find more efficient adsorbents.…”
Section: Introductionmentioning
confidence: 99%
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“…CNTs can be classified into three types: single-walled (SWCNTs), multi-walled (MWCNTs), and functionalized (f-CNTs) [12][13][14][15]. Such materials have already played a key role in the effective removal of several organic contaminants from water [16].…”
Section: Introductionmentioning
confidence: 99%