Table 9

The comparison of LEV adsorption capacity between different adsorbents

AdsorbentLEV initial concentration (mg·L−1)Adsorption capacity (mg·g−1)References
Goethite 0.04–0.08 0.78 Qin et al. (2014)  
Coconut coir charcoal with Al2O3 nanoparticles 0.7–5.0 1.80 Limbikai et al. (2016)  
Rice-husk biochars 40–75 4.99 Yi et al. (2016)  
Magnetic nanoparticles 2.5–20 6.848 Eniola et al. (2019)  
Wood chip biochars 50–150 7.72 Yi et al. (2016)  
Mechanochemistry-treated zeolite 5.5–67 47.68 Chen et al. (2019)  
Iron-pillared montmorillonite 20–100 48.61 Liu et al. (2015)  
Rectorite 20–100 63.38 Feng et al. (2019)  
Chitosan/biochar hydrogel beads 5–160 76 Afzal et al. (2018)  
Natural zeolite 5–50 22.17 This work 
AdsorbentLEV initial concentration (mg·L−1)Adsorption capacity (mg·g−1)References
Goethite 0.04–0.08 0.78 Qin et al. (2014)  
Coconut coir charcoal with Al2O3 nanoparticles 0.7–5.0 1.80 Limbikai et al. (2016)  
Rice-husk biochars 40–75 4.99 Yi et al. (2016)  
Magnetic nanoparticles 2.5–20 6.848 Eniola et al. (2019)  
Wood chip biochars 50–150 7.72 Yi et al. (2016)  
Mechanochemistry-treated zeolite 5.5–67 47.68 Chen et al. (2019)  
Iron-pillared montmorillonite 20–100 48.61 Liu et al. (2015)  
Rectorite 20–100 63.38 Feng et al. (2019)  
Chitosan/biochar hydrogel beads 5–160 76 Afzal et al. (2018)  
Natural zeolite 5–50 22.17 This work 
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