Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session V32: Joseph F. Keithley and Industrial Physics Awards
2:30 PM–5:30 PM,
Thursday, March 8, 2018
LACC
Room: 408A
Sponsoring
Units:
GIMS FIAP
Chair: Ichiro Takeuchi, Univ of Maryland-College Park
Abstract ID: BAPS.2018.MAR.V32.5
Abstract: V32.00005 : George E. Pake Prize Talk: An Ecosystem Approach to Industrial Physics: Atmospheric Moisture Harvesting Through High Temperature Plasma Surface Modification, A Case Study
4:54 PM–5:30 PM
Presenter:
Richard Boudreault
(Chairman, Polar Knowledge Canada)
Author:
Richard Boudreault
(Chairman, Polar Knowledge Canada)
Through our ecosystem approach, we have conceived, prototyped, and developed a device harvesting freshwater from the air using a semi-permeable membrane treated with high temperature plasma. This innovative concept relies on growing carbon nanotube (CNT) forests on both sides of a porous substrate through chemical vapor deposition (CVD). One side is functionalized with high temperature plasma by adding hydroxyl groups to the CNTs to render them hydrophilic. This side attracts water vapor molecules and promotes its condensation onto the surface. The other side is treated to become hydrophobic facilitating water extraction and collection from the membrane. The porous substrate acts as a capillary pumping system displacing the condensed water from hydrophilic side to the hydrophobic one.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.V32.5
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