Cited Article: Holt JK. Fast mass transport through sub-2-nanometer carbon nanotubes
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Number of Citing Articles: 1 new records this week (1 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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AU Lee, C
Baik, S
AF Lee, Cheesung
Baik, Seunghyun
TI Vertically-aligned carbon nano-tube membrane filters with
superhydrophobicity and superoleophilicity
SO CARBON
LA English
DT Article
ID OIL/WATER SEPARATION; POROUS MATERIALS; SURFACES; WATER; OIL;
NANOTUBES; PERFORMANCE; FILM; BOEHMITE; RECOVERY
AB A membrane filter possessing both superhydrophobicity and
superoleophilicity is of great interest for the possible separation of
oil and water. Such a filter was realized in this study by synthesizing
vertically-aligned multi-walled carbon nano-tubes on a stainless steel
mesh. The dual-scale structure, nano-scale needle-like tubes on the
mesh with micro-scale pores, combined with the low surface energy of
carbon amplified both hydrophobicity and oleophilicity. For the tests,
diesel was selected as a representative of low viscosity oils. The
contact angles for diesel and water were 0 degrees and 163 +/- 4
degrees. The nano-tube filter could separate diesel and water layers,
and even surfactant-stabilized emulsions. The successful phase
separation of the high viscosity lubricating oil and water emulsions
was also carried out. The separation mechanism can be readily expanded
to a variety of different hydrophobic and oleophilic liquids. The
simple nano-tube filter might be practically employed in environmental
and chemical separation processes including oil spill cleanup. (C) 2010
Elsevier Ltd. All rights reserved.
C1 [Baik, Seunghyun] Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol SAINT, Dept Energy Sci, Suwon 440746, Gyeonggi Do, South Korea.
Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, Gyeonggi Do, South Korea.
RP Baik, S, Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol SAINT, Dept
Energy Sci, Suwon 440746, Gyeonggi Do, South Korea.
EM sbaik@me.skku.ac.kr
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NR 36
TC 0
PU PERGAMON-ELSEVIER SCIENCE LTD; THE BOULEVARD, LANGFORD LANE,
KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
DI 10.1016/j.carbon.2010.02.020
PD JUL
VL 48
IS 8
BP 2192
EP 2197
SC Chemistry, Physical; Materials Science, Multidisciplinary
GA 597SD
UT ISI:000277780500006
ER
EF
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