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Title: Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material

Abstract

The synthesis of a sponge-like carbon aerogel from microfibril cellulose (MFC), with high porosity (99%), ultra-low density (0.01 g/cm3), hydrophobic properties (149° static contact angle) and reusability is reported in this paper. The physical properties, internal morphology, thermal properties, and chemical properties of carbon aerogels heat-treated at 700 and 900 °C (Samples C-700 and C-900) were examined. Stabilization and carbonization parameters were optimized in terms of residual carbon yield. The BET surface area of Sample C-700 (521 m2 /g) was significantly higher than of Sample C-950 (149 m2 /g). Graphitic-like domains were observed in C-950. The highest normalized sorption capacity (86 g/g) for paraffin oil was observed in sample C-700. The removal of hydrophilic function groups during carbonization causes carbon aerogel to present highly hydrophobic properties. Lastly, carbon aerogel's ability to absorb oil is enhanced by its highly porous 3D network structure with interconnected cellulose nanofibrils.

Authors:
 [1];  [1];  [1];  [2];  [3];  [1]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Fujian Agricultural and Forestry Univ., Fuzhou (China)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1185769
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Cellulose
Additional Journal Information:
Journal Volume: 22; Journal Issue: 1; Journal ID: ISSN 0969-0239
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; nanocellulose; carbon aerogel; oil absorption; 3D network structure

Citation Formats

Meng, Yujie, Yang, Timothy M., Liu, Peizhi, Contescu, Cristian I., Huang, Biao, and Wang, Siqun. Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material. United States: N. p., 2014. Web. doi:10.1007/s10570-014-0519-5.
Meng, Yujie, Yang, Timothy M., Liu, Peizhi, Contescu, Cristian I., Huang, Biao, & Wang, Siqun. Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material. United States. https://doi.org/10.1007/s10570-014-0519-5
Meng, Yujie, Yang, Timothy M., Liu, Peizhi, Contescu, Cristian I., Huang, Biao, and Wang, Siqun. Thu . "Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material". United States. https://doi.org/10.1007/s10570-014-0519-5. https://www.osti.gov/servlets/purl/1185769.
@article{osti_1185769,
title = {Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material},
author = {Meng, Yujie and Yang, Timothy M. and Liu, Peizhi and Contescu, Cristian I. and Huang, Biao and Wang, Siqun},
abstractNote = {The synthesis of a sponge-like carbon aerogel from microfibril cellulose (MFC), with high porosity (99%), ultra-low density (0.01 g/cm3), hydrophobic properties (149° static contact angle) and reusability is reported in this paper. The physical properties, internal morphology, thermal properties, and chemical properties of carbon aerogels heat-treated at 700 and 900 °C (Samples C-700 and C-900) were examined. Stabilization and carbonization parameters were optimized in terms of residual carbon yield. The BET surface area of Sample C-700 (521 m2 /g) was significantly higher than of Sample C-950 (149 m2 /g). Graphitic-like domains were observed in C-950. The highest normalized sorption capacity (86 g/g) for paraffin oil was observed in sample C-700. The removal of hydrophilic function groups during carbonization causes carbon aerogel to present highly hydrophobic properties. Lastly, carbon aerogel's ability to absorb oil is enhanced by its highly porous 3D network structure with interconnected cellulose nanofibrils.},
doi = {10.1007/s10570-014-0519-5},
journal = {Cellulose},
number = 1,
volume = 22,
place = {United States},
year = {Thu Dec 04 00:00:00 EST 2014},
month = {Thu Dec 04 00:00:00 EST 2014}
}

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Works referencing / citing this record:

Superwetting Polymeric Three Dimensional (3D) Porous Materials for Oil/Water Separation: A Review
journal, May 2019


Fabrication of Cellulose Nanocrystal-g-Poly(Acrylic Acid-Co-Acrylamide) Aerogels for Efficient Pb(II) Removal
journal, February 2020


Synthesis and Characterization of Cellulose Nanofibril-Reinforced Polyurethane Foam
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