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. 2023 Jun 16;30(34):82387–82405. doi: 10.1007/s11356-023-27688-6

Table 4.

Adsorption capacities of different adsorbents compared to BC-OTPR700

Adsorbent Adsorbate Adsorption capacity (qmax, mg/g) Reference
Magnetic activated carbon nanocomposite Promazine 101.01 (D'Cruz et al. 2020a)
Carbonaceous/spinel ferrite nanocomposite Promazine 90.91 (Al-Hetlani et al. 2022b)
Olive stone and olive tree pruning derived-activated carbons Phenolic compounds 188.6 – 359.0 (Esteves et al. 2022)
Olive stone-derived activated carbon Methylene blue 16.10 (Hazzaa and Hussein 2015)
Olive stone-derived activated carbon Hydroxytyrosol 375.0 (Eder et al. 2021)
Olive stone derived KOH modified activated carbons Methylene blue 263 (Stavropoulos and Zabaniotou 2005)
Chemically modified olive tree pruning activated carbons Lead (II) 27.05 (untreated)–121.6 (NaOH modified) (Calero et al. 2013b)
Chemically activated olive tree pruning Lead (II) 84.03 (sulfuric acid modified)–121.9 (NaOH modified) (Calero et al. 2013c)
Chemically treated olive tree pruning Lead (II) 12.97 (untreated)–16.04 (NaOH modified) (Ronda et al. 2013)
BC-OTPR700 Promazine

(sin) 640.76

(bin) 243.01

Current study
Promethazine

(sin) 346.95

(bin) 216.48