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Removal of lead ion and oil droplet from aqueous solution by lignin-grafted carbon nanotubes

Water contamination is one of the most serious problems afflicting people throughout the world, innovation of nanomaterials with eco-friendliness is important for a greener environment. Here, an eco-friendly nanocomposite based on lignin grafted carbon nanotubes (L-CNTs) is reported as a new type of... Full description

Journal Title: Chemical Engineering Journal 15 January 2017, Vol.308, pp.809-817
Main Author: Li, Zhili
Other Authors: Chen, Junyi , Ge, Yuanyuan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1385-8947 ; E-ISSN: 1873-3212 ; DOI: 10.1016/j.cej.2016.09.126
Link: https://www.sciencedirect.com/science/article/pii/S1385894716313705
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recordid: elsevier_sdoi_10_1016_j_cej_2016_09_126
title: Removal of lead ion and oil droplet from aqueous solution by lignin-grafted carbon nanotubes
format: Article
creator:
  • Li, Zhili
  • Chen, Junyi
  • Ge, Yuanyuan
subjects:
  • Carbon Nanotube
  • Lignin
  • Nanocomposite
  • Contaminant
  • Adsorption
  • Engineering
ispartof: Chemical Engineering Journal, 15 January 2017, Vol.308, pp.809-817
description: Water contamination is one of the most serious problems afflicting people throughout the world, innovation of nanomaterials with eco-friendliness is important for a greener environment. Here, an eco-friendly nanocomposite based on lignin grafted carbon nanotubes (L-CNTs) is reported as a new type of adsorbent for water remediation. By integrating the tridimensional structure, oxygen-containing functional groups and eco-friendliness of lignin with the high surface area and mechanical stability of CNTs, the as-prepared nanocomposite not only possesses a good water-dispersibility and eco-friendliness, but also exhibits an excellent adsorption capability for lead ion and oil droplet. It shows a high distribution coefficient for lead ion ( = 3.6 × 10 mL/g) that is comparable to some benchmark materials, including mesoporous carbon and metal-organic frameworks. The large surface area and tridimensional structure also endows L-CNTs with a high removal efficiency for oil droplet from water. Moreover, the cost of the nanocomposite has been minimized by incorporation of the low cost lignin. These results demonstrate the as-obtained nanocomposite with a natural polymer layer has advanced adsorption capability, low-in cost and eco-friendliness, and accordingly is an ideal candidate for water cleanup.
language: eng
source:
identifier: ISSN: 1385-8947 ; E-ISSN: 1873-3212 ; DOI: 10.1016/j.cej.2016.09.126
fulltext: no_fulltext
issn:
  • 1385-8947
  • 13858947
  • 1873-3212
  • 18733212
url: Link


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titleRemoval of lead ion and oil droplet from aqueous solution by lignin-grafted carbon nanotubes
creatorLi, Zhili ; Chen, Junyi ; Ge, Yuanyuan
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subjectCarbon Nanotube ; Lignin ; Nanocomposite ; Contaminant ; Adsorption ; Engineering
descriptionWater contamination is one of the most serious problems afflicting people throughout the world, innovation of nanomaterials with eco-friendliness is important for a greener environment. Here, an eco-friendly nanocomposite based on lignin grafted carbon nanotubes (L-CNTs) is reported as a new type of adsorbent for water remediation. By integrating the tridimensional structure, oxygen-containing functional groups and eco-friendliness of lignin with the high surface area and mechanical stability of CNTs, the as-prepared nanocomposite not only possesses a good water-dispersibility and eco-friendliness, but also exhibits an excellent adsorption capability for lead ion and oil droplet. It shows a high distribution coefficient for lead ion ( = 3.6 × 10 mL/g) that is comparable to some benchmark materials, including mesoporous carbon and metal-organic frameworks. The large surface area and tridimensional structure also endows L-CNTs with a high removal efficiency for oil droplet from water. Moreover, the cost of the nanocomposite has been minimized by incorporation of the low cost lignin. These results demonstrate the as-obtained nanocomposite with a natural polymer layer has advanced adsorption capability, low-in cost and eco-friendliness, and accordingly is an ideal candidate for water cleanup.
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