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. 2016 Dec 15;6:39108. doi: 10.1038/srep39108

Table 3. Phosphate adsorption capacities of various adsorbents.

Adsorbent pH Adsorption capacity (mg/g)
Fe-Mn binary oxide41 5.60 33.20
Fe-Zr binary oxide14 5.50 102.30
ZrMZ2 7.00 10.20
Mesoporous ZrO213 6.80 29.71
Zr-SBA-1515 6.00 13.77
Innovative modified bentonites9 7.00 11.15
am-ZrO2 nanoparticles6 6.20 99.01
Amorphous Zr(OH)212 no data 17.00
Zr-Mg-Al42 8.70 30.00
Ferric sludge47 5.50 25.50
GO-Zr7 6.00 16.45
Lanthanum-doped activated carbon fiber48 no data 22.86
Iron-doped activated carbon43 3.78 14.12
RGO-Zr (Present study) 5.00 27.71