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Membrane Water Treatment   Volume 7, Number 4, July 2016, pages 367-677
DOI: https://doi.org/10.12989/mwt.2016.7.4.367
 
Performance improvement of membrane distillation using carbon nanotubes
Seung-Hyun Kim and Tae-Min Lee

 
Abstract     [Buy Article]
    Although the bucky paper (BP) made from carbon nanotubes (CNTs) possesses beneficial characteristics of hydrophobic nature and high porosity for membrane distillation (MD) application, weak mechanical strength of BP has often prevented the stable operation. This study aims to fabricate the BP with high mechanical strength to improve its MD performance. The strategy was to increase the purity level of CNTs with an assumption that purer CNTs would increase the Van der Waals attraction, leading to the improvement of mechanical strength of BP. According to this study results, the purification of CNT does not necessarily enhance the mechanical strength of BP. The BP made from purer CNTs demonstrated a high flux (142 kg/m2
 
Key Words
    bucky paper; carbon nanotube; membrane distillation; mechanical strength; mixed matrix membrane
 
Address
Civil Engineering Department, Kyungnam University, 7 Kyungnamdaehak-ro, Masanhappo-gu, Changwon, 631-701, Republic of Korea.
 

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