Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 103, Issue -, Pages 209-216Publisher
ELSEVIER
DOI: 10.1016/j.jtice.2019.07.017
Keywords
Carbon aerogel; Fibers; Oil; Superhydrophobic; Emulsions
Categories
Funding
- National Natural Science Foundation of China [51602132]
- Youth Talent Development Program of Jiangsu University
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The production of a feasible and efficient material for emulsion separation, from the conversion of inexpensive and abundant precursors, was of extreme importance but challenging. In this paper, using platanus orientalis fibers as the building blocks, versatile carbon aerogels (VCAs) have been successfully fabricated by means of a facile carbonization. The as-prepared VCAs with interconnected network showed excellent properties such as low density (8.3 mg cm(-3)), superior compressive strength (80%), high porosity (98.8%) and oil absorption capacity (30-150g(-1)). Owing to their brilliant superhydrophobic/superoleophilic properties, the VCAs were used for separating water-in-kerosene emulsions with flux up to 6250 L m(-2) h(-1) and separation efficiency greater than 99.99%. More importantly, these carbon aerogels could separate efficiently different viscosity water-in-Poly-Alpha-Olefin02/10/40 emulsion, as presented by that the separation efficiency still keeps as high as 99.90%. These excellent performances endowed the carbon aerogel with greater potentials for recycling and regeneration of emulsified oil in the future of industrial development. (C) 2019 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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