Gemini Quaternary Ammonium Surfactants with Different Counterions-modified Montmorillonite for Efficient Removal of Methyl Orange

Yuanhua Mo; Runyu Cao; Siqi Hu; Bowen Guan; Duojiao Fu; Hongqin Liu; Baocai Xu; Yang Xiao

doi:10.5650/jos.ess23174

Detergents, Surfactants, Interface and Colloid

Gemini Quaternary Ammonium Surfactants with Different Counterions-modified Montmorillonite for Efficient Removal of Methyl Orange

Yuanhua Mo, Runyu Cao, Siqi Hu, Bowen Guan, Duojiao Fu, Hongqin Liu, Baocai Xu, Yang Xiao

Author information

Yuanhua Mo
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Runyu Cao
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Siqi Hu
Institute of Traditional Chinese Medicine Health Industry, China Academy of Chinese Medical Sciences
Bowen Guan
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Duojiao Fu
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Hongqin Liu
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Baocai Xu
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University
Yang Xiao
China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University

Keywords: modified montmorillonite, adsorption, methyl orange, counterion

JOURNAL OPEN ACCESS
Supplementary material

2024 Volume 73 Issue 3 Pages 341-350

DOI https://doi.org/10.5650/jos.ess23174

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Abstract

Organic Na-montmorillonite (OMt-12-2-12·2Y ^– , Y=CH ₃ CO ₃ ^– , C ₆ H ₅ COO ^– and Br ^– ) modified by a series of Gemini quaternary ammonium surfactants with different counterions was prepared for enhancing the adsorption capacity of methyl orange. Compared with the initial adsorption capacity of 5.251 mg/g of Na-Mt, the adsorption effect of OMts under the optimal conditions increased by about 31~34 times. The adsorption isotherms and kinetics of all adsorption processes were respectively described by Langmuir and pseudo-second-order models. The structure, hydrophobicity and hydration of the counterions, as well as the affinity of the counterions with the long aliphatic chains, had a certain influence on the adsorption performance of OMts for methyl orange.

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