Protein-derived nitrogen and sulfur co-doped carbon for efficient adsorptive removal of heavy metals

Yawei Shi; Wei Zheng; Hao Liu; Liang Wang; Hongwei Zhang

doi:10.1016/j.cjche.2018.11.017

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Protein-derived nitrogen and sulfur co-doped carbon for efficient adsorptive removal of heavy metals

Materials and Product Engineering | Updated：2026-01-06

- Protein-derived nitrogen and sulfur co-doped carbon for efficient adsorptive removal of heavy metals
- Chinese Journal of Chemical Engineering Vol. 27, Issue 10, Pages: 2581-2586(2019)
- Affiliations：
  
  1. State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University,Tianjin,China,300387
  2. School of Environmental and Chemical Engineering, Tianjin Polytechnic University,Tianjin,China,300387
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.11.017
  CLC：
- Published：2019
- Accepted：
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Yawei Shi, Wei Zheng, Hao Liu, Liang Wang, Hongwei Zhang. Protein-derived nitrogen and sulfur co-doped carbon for efficient adsorptive removal of heavy metals[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2581-2586.
DOI：

Yawei Shi, Wei Zheng, Hao Liu, Liang Wang, Hongwei Zhang. Protein-derived nitrogen and sulfur co-doped carbon for efficient adsorptive removal of heavy metals[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2581-2586. DOI： 10.1016/j.cjche.2018.11.017.

摘要

Abstract

A nitrogen and sulfur co-doped carbon has been synthesized employing egg white as a sustainable protein-rich precursor. According to CHNS elemental analysis

S and O heteroatoms accounted for mass fractions of 3.66%

2.28% and 19.29% respectively

and the types of surface functionalities were further characterized by FT-IR and XPS measurements. Although the carbon possessed a smaller surface area (815 m

·g

-1

) compared to a commercial activated carbon (1100 m

·g

-1

)

its adsorption capacity towards Co

reached 320.3 mg·g

-1

which was over 8 times higher compared to the limited 34.0 mg·g

-1

over the activate carbon. Furthermore

the carbon was found to be an efficient adsorbent towards a series of metal ions including VO

and Cd

. Combined with its environmental merits

the protein derived carbon may be a promising candidate for heavy metal pollution control.

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