Adsorption of Phenol from Aqueous Solutions by Carbon Nanomaterials of One and Two Dimensions: Kinetic and Equilibrium Studies

Table 1

Comparison of various CNMs adsorbents used in phenolic compounds removal.

Adsorbent	Adsorbate	(°C)	pH	Model used	Researchers and reference
MWCNT	Phenol	37	5–8	Bimodal Langmuir	Pacholczyk et al. [26]
MWCNT; MWCNT-HNO3	2,4,6-Trichlorophenol	20	4	Langmuir	Chen et al. [27]
MWCNT; MWCNT-COOH	2-Nitrophenol	25	4–11	Langmuir	Arasteh et al. [25]
MWCNT-H2O2	Phenol	37	—	Langmuir	Wiśniewski et al. [28]
MWCNT; MWCNT-COOH	Phenol; 3-Chlorophenol	20	5.8–6.4	Competitive Langmuir	Tóth et al. [29]
MWCNT; MWCNTx	Phenol; Cadmium	25	7	Freundlich	Diaz-Flores et al. [17]
MWCNT; MWCNT-HNO3	Chlorophenols	25	—	Langmuir	Liao et al. [30]
MWCNT; Modified MWCNT	Bisphenol A	7; 27; 47	3–9	Freundlich; Langmuir; Dubinin; Temkin	Kuo [31]
RGO	Phenol	12; 40; 60	6.3	Langmuir; Freundlich	Li et al. [32]
RGO	Bisphenol A	29; 49; 69	6	Langmuir	Xu et al. [33]
RGO-MNPs	Bisphenol A	25–55	3–10	Langmuir	Zhang et al. [34]
RGO; GEO	Phenol	25	6-7	Freundlich	Wang et al. [35]
GEO	Bisphenol A	25	7	Langmuir	Xu and Zhu [36]