Adsorption of Bisphenol A on Peanut Shell Biochars: The Effects of Surfactants

Table 2

Molecular weight (MW), critical micelle concentration (CMC), and molecular structure of the surfactants.

Surfactant	MW (g/mol)	CMC (mg/L)	Molecular structure
Sodium dodecyl benzene sulfonate (SDBS)^a	348.48	490
Cetyltrimethyl ammonium bromide (CTAB)^a	1228	340
Tween 20, n = ∼20^b	1226	70

^aFrom Han et al. [23]. ^bFrom Bak et al. [24].