Acetamido-functionalized hyper-crosslinked polymers for efficient removal of phenol in aqueous solution

被引：23

作者：

Wang, You ^{[1
,2
]}

Cao, Yiwen ^{[2
]}

Zong, Junjiang ^{[2
]}

Shu, Zhe ^{[2
]}

Xiao, Qin ^{[2
]}

Wang, Xiaomei ^{[1
]}

Zhou, Fa ^{[2
]}

Huang, Jianhan ^{[2
]}

机构：

[1] Changsha Univ, Coll Biol & Environm Engn, Changsha 410003, Peoples R China

[2] Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Micro & Nano Mat Interface Sci, Changsha 410083, Peoples R China

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2022年 / 287卷

基金：

中国国家自然科学基金;

关键词：

Hyper-crosslinked polymers (HCPs); Friedel-Crafts reaction; Acetamido; Adsorption; Phenol; ADSORPTION; FABRICATION; THIOPHENE; FURAN; WATER; ACID;

D O I：

10.1016/j.seppur.2022.120566

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In recent years, functionalized hyper-crosslinked polymers (HCPs) have received increasing attention due to their high Brunauer - Emmett - Teller (BET) surface area (S-BET), adjustable porosity and diversified functionality. Herein, the acetamido-functionalized HCPs namely PS-PDAT-FDA(SnCl4) were synthesized by two successive Friedel - Crafts reactions and the resultant polymers offered high SBET (756 m 2 /g), abundant N (4.6%) and O content (9.5%), and unique hierarchical porosity. The adsorption experiments indicated that the fabricated HCPs had a good adsorption of phenol with the predicted maximum capacity (q(max)) of 214.5 mg/g. Increasing the Na2SO4 concentration slightly enhanced the adsorption, about 90 min was needed for the adsorption reaching the equilibrium, and the adsorption in tap water was also excellent. The adsorption mechanism revealed the uploaded C = O functionalities of the acetamido groups made a great positive contribution to the enhanced adsorption and strong hydrogen bonding between the C = O functionalities of the polymers and the phenolic hydroxyl groups of phenol was the main driving force.

引用

页数：7

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