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. 2022 Jun 27;7(27):23213–23222. doi: 10.1021/acsomega.2c01068

Table 4. Comparison of the Maximum Adsorption Capacities (mg g–1)/Rate Constants (g mg–1 min–1) and Synthetic Conditions of Various Adsorbents.

adsorbent MO MB BPA synthetic/experimental pH conditions ref
mesostructured MIL-53(Al)     465/0.0007 F127, DMF, 130 °C for 2 d/pH 6.5 (41)
MIL-101(Cr)     253/0.0139 HF, NH4F, DMF, 220 °C for 8 h/pH 5.6 (42)
MIL-100(Fe) 1045/0.0002 736/0.0001   HF, HNO3, 150 °C for 4 d/pH 5.0 (43)
MOF-235(Fe) 477/0.0009 187/0.0002   DMF, 80 °C for 1 d/pH 5.6 (44)
Ce(III)-doped UiO-66(Zr) 640/0.0184 145/0.0207   DMF, 120 °C for 1 d/pH 7.0 (45)
mesostructured MIL-101(Cr) 208/0.0030 22/0.0490   DMF, CTAB, NaAc, 220 °C for 8 h/n.a. (2)
PED-MIL-101(Cr) 194/0.0030     HF, NH4F, 220 °C for 8 h, additional steps for functionalization/pH 5.6 (46)
commercial MIL-53(Al) 177/0.0570     n.a./pH 6.0 (47)
HKUST-1/GO   183.5/n.a.   120 °C for 12 h, Hummer method for GO preparation/n.a. (48)
MIL-53(Cr)     421.0/0.0019 175 °C for 7 h, microwave irradiation/pH 6.3 (49)
MIL-101(Cr)- (OH)3     97/n.a. HF, NH4F, DMF, 220 °C for 8 h, additional steps for functionalization/pH 7.0 (50)
argan nut shell-microporous-carbon     1408/0.0040 1. heating from RT to 500 °C (5 °C min–1) and maintaining for 1 h (51)
        2. after cooling, heating from RT to 800 °C (10 °C min–1) and maintaining for 2 h/pH 6.5  
alkali-activated MWCNT 149/0.0020 400/0.0007   1. preparing MWCNT by catalytic chemical vapor deposition method (52)
        2. after mixing with KOH, heating to 750 °C for 1 h/pH 7.0  
MIL-53(Fe)_UTS 1485/0.0003 241/0.0023 222/0.0071 DMF, ultrasonic irradiation, 2 h/pH 5.6 this study