Efficient preparation of cetyltrimethylammonium bromide-graphene oxide composite and its adsorption of Congo red from aqueous solutions

• Published in: Colloids and surfaces. A, Physicochemical and engineering aspects Vol. 554; pp. 227 - 236
• Main Authors: Su, Jinzhu, He, Shuai, Zhao, Zhigang, Liu, Xingli, Li, Hui
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 05.10.2018
• Subjects: acidity; active sites; Adsorption; aqueous solutions; azo dyes; centrifugation; cetyltrimethylammonium bromide; colloids; Congo red; CTAB-GO composite; graphene oxide; hydrophobicity; kinetics; sorption isotherms; Wastewater treatment; water solubility; Congo red; Adsorption; Wastewater treatment; CTAB-GO composite

[Display omitted] •Superior graphene oxide-based adsorbent–CTAB-GO composite was efficiently prepared.•The adsorption process to Congo red was systematically studied.•CTAB-GO composite showed an adsorption capacity as high as 2767 mg/g.•The adsorption capacity was greater than 2000 mg/g even at the...