Document Type

Journal Article

Publisher

Springer Verlag

School

Electron Science Research Institute

RAS ID

21770

Comments

Originally published as : Trivedi, S., & Alameh, K. (2016). Effect of vertically aligned carbon nanotube density on the water flux and salt rejection in desalination membranes. Springerplus, 5(1), 1158. doi:10.1186/s40064-016-2783-3. Article found here

Abstract

In this paper, vertically aligned carbon nanotube (VACNT) membranes of different densities are developed and their performances are investigated. VACNT arrays of densities 5 × 109, 1010, 5 × 1010 and 1011 tubes cm−2, are initially grown on 1 cm × 1 cm silicon substrates using chemical vapour deposition. A VACNT membrane is realised by attaching a 300 μm-thick 1 cm × 1 cm VACNT array on silicon to a 4″ glass substrate, applying polydimethylsiloxane (PDMS) through spin coating to fill the gaps between the VACNTs, and using a microtome to slice the VACNT–PDMS composite into 25-μm-thick membranes. Experimental results show that the permeability of the developed VACNT membranes increases with the density of the VACNTs, while the salt rejection is almost independent of the VACNT density. The best measured permeance is attained with a VACNT membrane having a CNT density of 1011 tubes cm−2 is 1203 LMH at 1 bar. © 2016, The Author(s).

DOI

10.1186/s40064-016-2783-3

Creative Commons License

Creative Commons Attribution 4.0 License
This work is licensed under a Creative Commons Attribution 4.0 License.

Share

 
COinS