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Magnetic Solid-phase Extraction Combined with GC-MS for Chlorophenols Analysis in Papermaking Wastewater
Received:September 07, 2022  
DOI：10.11981/j.issn.1000-6842.2023.04.41
Key Words:Fe3O4@PS;GC-MS;papermaking wastewater;chlorophenols
Fund Project:衢州市科技计划项目（2023K230、2018K38）；浙江省基础公益计划项目（LGN21C030001）；浙江大学衢州研究院科技计划项目（IZQ2019-KJ-028）；衢州市重点研发计划项目（2021Z01）；衢江区科技计划项目（QJ2019J001、QJ2020012、QJ2020022、QJ2021038，QJ2021040）。
Author NameAffiliationPostcode
DONG Yunyuan* College of Chemical and Material Engineering， Quzhou University， Quzhou， Zhejiang Province， 324000 324000
WANG Ying Department of Food Engineering， Maanshan Teacher’s College， Maanshan， Anhui Province， 243041 243041
SHI Junqi Quzhou Doctor Innovation Station， Zhejiang Zhefeng New Materials Co.， Ltd.， Quzhou， Zhejiang Province， 324000 324000
YUE Yuezhen Quzhou Doctor Innovation Station， Zhejiang Zhefeng New Materials Co.， Ltd.， Quzhou， Zhejiang Province， 324000 324000
LUO Huaying Xianhe Research Institute of Xianhe Co.， Ltd.， Quzhou， Zhejiang Province， 324000 324000
ZHENG Qifu College of Chemical and Material Engineering， Quzhou University， Quzhou， Zhejiang Province， 324000 324000
ZHANG Min College of Chemical and Material Engineering， Quzhou University， Quzhou， Zhejiang Province， 324000 324000
LIAO Jianming College of Chemical and Material Engineering， Quzhou University， Quzhou， Zhejiang Province， 324000 324000
CHEN Xiaobin College of Chemical and Material Engineering， Quzhou University， Quzhou， Zhejiang Province， 324000
Quzhou Doctor Innovation Station， Zhejiang Zhefeng New Materials Co.， Ltd.， Quzhou， Zhejiang Province， 324000
Xianhe Research Institute of Xianhe Co.， Ltd.， Quzhou， Zhejiang Province， 324000 		324000
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Abstract:
      In this study， magnetic polystyrene （Fe3O4@PS） microspheres were used as adsorbents in solid phase extraction combined with GC-MS to evaluate the efficiency of extracting chlorophenols （CPs） from papermaking wastewater. The novel microspheres were characterized by transmission electron microscope （TEM）， X-ray diffraction （XRD） and fourier-transform infrared spectroscopy （FT-IR）. The main influence parameters of the magnetic solid-phase extraction （MSPE）， such as the amount of sorbent， extraction time and elution condition， were investigated and optimized. The results demonstrated that 20 mg of sorbent， 7 min of desorption time and 2 mL of eluent solvent were chosen as the optimum conditions. Under the optimum conditions， an excellent linearity was observed in the range of 2.5~2000 μg/L. The LODs for chlorophenols were in the range of 0.076~0.207 μg/L and the correlation coefficients ranging from 0.9966~0.9994. The proposed method was successfully applied for the analysis of papermaking wastewater samples with recoveries ranging from 83.39%~109.40%. The above results demonstrated that Fe3O4@PS as a MSPE absorbent performed effective extraction efficiency and simplified operation process in the trace analysis of CPs.
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