Effect of natural aquatic colloids on Cu(II) and Pb(II) adsorption by Al2O3 nanoparticles

Effect of inorganic nanoparticles on 17β-estradiol and 17α-ethynylestradiol adsorption by multi-walled carbon nanotubes

“…In the presence of I-NPs, the interactions between I-NPs and CNTs will occur, and the interaction may be related to their surface charges (Sun et al, 2013). As shown in Fig.…”

“…Until now, only a few studies have been conducted to investigate the heteroadsorption of heavy metals and organic pollutants by multiple NPs or NPs and natural aquatic colloids (Kim et al, 2009;Sun et al, 2014bSun et al, , 2013Sun and Zhou, 2014). It was found that the aquatic colloids have a great effect on the Cu(II) and Pb(II) adsorption by Al 2 O 3 NPs, through interaction with metals and changing the surface properties of NPs (Sun et al, 2013).…”

“…It was found that the aquatic colloids have a great effect on the Cu(II) and Pb(II) adsorption by Al 2 O 3 NPs, through interaction with metals and changing the surface properties of NPs (Sun et al, 2013). Similarly, the aquatic colloids could inhibit or promote 17b-estradiol (E2) adsorption by blocking or providing the adsorption sites for E2 (Sun and Zhou, 2014).…”

“…In fact, adsorption of pollutants by multiple NPs (heteroadsorption) can take place inevitably in the environment (Sun et al, 2014b). Moreover, heteroadsorption is likely to be a far more important process than homoadsorption in determining the fate and transport of pollutants in natural water systems (Kim et al, 2009) due to the extensive use of multiple NPs and ubiquitous natural NPs (colloids) (Sun et al, 2013;Sun and Zhou, 2014).…”

Evaluation of CNTs/MnO2 composite for adsorption of 60Co(II), 65Zn(II) and Cd(II) ions from aqueous solutions

“…Nanoparticles like nanosized ferric oxides, aluminum oxides, titanium oxides, manganese oxides, magnesium oxides and cerium oxides are likely to have an important role in water purification [27][28][29]. Among them, MnO 2 enjoys pride of place because of its lower cost and environmentally benign nature, high surface area and exchange performance [30,31].…”