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author:

Wang Luying (Wang Luying.) [1] | Qiu Yueming (Qiu Yueming.) [2] | Zhang Rui (Zhang Rui.) [3] | Xu Pingfan (Xu Pingfan.) [4] | Liu Yifan (Liu Yifan.) [5] | Lin Chunxiang (Lin Chunxiang.) [6] | Liu Minghua (Liu Minghua.) [7]

Abstract:

The photoresponsive adsorption materials are of great significance to the light controlled release performance of pollutants and the development of green regeneration of adsorption materials. A photoresponsive cellulose based imprinted adsorbent(Cell-AB- MIP) was synthesized by surface-initiates atom transfer radical polymerization (SI-ATRP) using cellulose as raw material, azobenzene derivatives as functional monomers,and the typical pesticide residues 2,4- D as template. The synthetic conditions were optimized by single factor experiment,and the structure and performance of the material was analyzed by some characterization methods. The results show that the surface of Cell-AB- MIP contains abundant functional groups(- COOH,N=N,etc.),which have a high specific recognition effect for 2,4-D. The introduction of azobenzene group makes Cell- AB-MIP have excellent photo-induced regeneration performance. The azobenzene group on Cell- AB-MIP surface changes from trans- configuration to cisconfiguration under UV irradiation,then changing the binding affinity of adsorbent for pollutants,thus realizing green regeneration via UV- light. The desorption efficiency can reach 72. 22% in methanol medium under UV light irradiation. After 5 times of cycle, the adsorption percentage to 2,4- D still remains 83. 47%. The analysis results of SEM and EA confirm that the adsorbed pollutants can be separated from the surface of the adsorbent after UV irradiation,completing the regeneration process.

Keyword:

2,4-D cellulose green regeneration molecular imprinting photo-responsive

Community:

  • [ 1 ] [Wang Luying]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Qiu Yueming]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Zhang Rui]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Liu Yifan]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Lin Chunxiang]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Liu Minghua]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Xu Pingfan]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China
  • [ 8 ] [Liu Yifan]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China
  • [ 9 ] [Lin Chunxiang]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China
  • [ 10 ] [Liu Minghua]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China
  • [ 11 ] [Liu Yifan]Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350108, Peoples R China
  • [ 12 ] [Lin Chunxiang]Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350108, Peoples R China
  • [ 13 ] [Liu Minghua]Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • [Lin Chunxiang]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China;;[Xu Pingfan]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China;;[Lin Chunxiang]Fuzhou Univ, Sch Adv Mfg, Fujian 362200, Jinjiang, Peoples R China;;[Lin Chunxiang]Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350108, Peoples R China;;

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Source :

CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING

ISSN: 1001-4381

Year: 2024

Issue: 2

Volume: 52

Page: 180-189

0 . 6 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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