Microwave Enhanced Synthesis of Sulfonated Chitosan-Montmorillonite for Effective Removal of Methylene Blue

被引：26

作者：

Mubarak, Nur Shazwani Abdul ^{[1
]}

Bahrudin, N. N. ^{[1
,2
]}

Jawad, Ali H. ^{[3
]}

Hameed, B. H. ^{[4
]}

Sabar, S. ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Distance Educ SDE, Chem Sci Programme, Minden 11800, Penang, Malaysia

[2] Univ Putra Malaysia, Fac Sci, Dept Chem, Serdang 43400, Selangor, Malaysia

[3] Univ Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia

[4] Qatar Univ, Coll Engn, Dept Chem Engn, POB 2713, Doha, Qatar

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2021年 / 29卷 / 12期

关键词：

Adsorption; Chitosan; Microwave irradiation; Montmorillonite; Sulfonation; Wastewater and treatment; HYDROGEL BEADS; CATIONIC DYE; ADSORPTION PROPERTIES; EFFICIENT ADSORPTION; ACTIVATED CARBON; COMPOSITE; ADSORBENTS; ORANGE; NANOCOMPOSITES; MICROSPHERES;

D O I：

10.1007/s10924-021-02172-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this work, sulfonated chitosan montmorillonite composite (S-CS-MT) beads were synthesized using a microwave irradiation method designed to have a better saving-time procedure. The potency of S-CS-MT as an adsorbent was assessed for the removal of cationic dyes such as methylene blue (MB) from aqueous solution. The batch adsorption experiments indicated that MB adsorption onto S-CS-MT follows the Pseudo-second-order kinetic and Langmuir isotherm model. The maximum extent obtained from the Langmuir isotherm model for MB adsorption was 188.2 mg g(-1) at 303 K. The thermodynamic study indicated that the adsorption reaction is favorable and spontaneous in nature. These findings indicated that montmorillonite chitosan grafted with the sulfonate group has the ability and efficacy as biohybrid adsorbent for the adsorption of cationic dyes.

引用

页码：4027 / 4039

页数：13

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