Welcome to Chemistry and Industry of Forest Products,

Chemistry and Industry of Forest Products ›› 2021, Vol. 41 ›› Issue (1): 123-132.doi: 10.3969/j.issn.0253-2417.2021.01.016

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Progress on Lignocellulose-based Magnetic Adsorbents for Removal of Heavy Metal Ions

Xuan ZHOU1,2, Can JIN1, Guifeng LIU1, Shuping HUO1, Guomin WU1, Zhenwu KONG1,*()   

  1. 1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
    2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
  • Received:2020-06-06 Online:2021-02-28 Published:2021-03-03
  • Contact: Zhenwu KONG E-mail:kongzwlhs@163.com


Pollution by heavy metals is a serious environmental problem. Lignocellulose offers the advantages of high-capacity storage, renewability, and biodegradability, while offering excellent adsorption performance and being easy to recycle. As such, it is being increasingly used as a magnetic adsorbent for the removal of metal ions from polluted water. Starting with a brief description of magnetic nanomaterials, this review focuses on the preparation of cellulose-, lignin-, and hemicellulose-based magnetic adsorption materials, both domestically and overseas, summarizing and comparing their abilities to adsorb different heavymetal ions. In addition, the adsorption abilities and factors influencing the removal of different heavy metal ions are discussed in detail. Finally, future development directionsfor lignocellulose-based magnetic adsorbents are discussed.

Key words: lignocellulose, magnetic material, adsorbent, heavy metal ion

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