Electrodialysis with Irregular Membrane Spacers: Which is the Right Choice?

Al-Amshawee, Sajjad and Mohd Yusri, Mohd Yunus and Nurul Ain, Ismail and Hafiz Zaki, Yasmeen (2023) Electrodialysis with Irregular Membrane Spacers: Which is the Right Choice? Chemical Engineering and Technology, 46 (12). pp. 1-7. ISSN 0930-7516. (Published)

	Pdf Electrodialysis with Irregular Membrane Spacers Which is the Right Choice.pdf Restricted to Repository staff only Download (7MB) | Request a copy
Preview	Pdf Electrodialysis with Irregular Membrane Spacers.pdf Download (422kB) | Preview

Abstract

Membrane operations function well in turbulent conditions, requiring the use of a turbulence model. By increasing the velocity and generating eddies with membrane spacers, mass transport can be enhanced and permeability can be intensified while reducing concentration polarization. Spacers act as solid barriers for the bulk fluid and have been shown to facilitate mass transfer at channel thicknesses of 1 mm due to eddy promotion. Spacers are used in a variety of membrane processes including nanofiltration, reverse osmosis, electrodialysis, and membrane distillation. Membrane spacers can also be used for other applications such as membrane electrolysis, fuel cells, capacitive deionization, and electrodialysis with bipolar membranes. This work systematically reviews and compares irregular geometries of spacers, including Gyroid, tCLP, multilayered, crimped, and tortuous spacers. The review consistently concludes that the spacer geometrical properties are the primary determinants of the streamline effectiveness.

Item Type:	Article
Uncontrolled Keywords:	Channel hydrodynamics, Electrodialysis desalination technology, Ion exchange membranes, Membrane fouling/clogging, Pressure drop
Subjects:	T Technology > TP Chemical technology
Faculty/Division:	Faculty of Chemical & Natural Resources Engineering Centre for Sustainability of Ecosystem & Earth Resources (Earth Centre)
Depositing User:	Ms. Nurul Ain Ismail
Date Deposited:	11 Jan 2024 02:25
Last Modified:	11 Jan 2024 02:25
URI:	http://umpir.ump.edu.my/id/eprint/39959
Download Statistic:	View Download Statistics

Actions (login required)

View Item