Performance of nanofiltration membrane for printing wastewater treatment

Cheah, D. W. and Ramlee, Normarina and Desa, Amira Liyana and Misdan, Nurasyikin and Hairom, Nur Hanis Hayati (2018) Performance of nanofiltration membrane for printing wastewater treatment. Journal of Applied Membrane Science & Technology, 22 (1). pp. 43-48. ISSN 2600-9226

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Almost every manufacturing process is the major origin of wastewater with certain characteristic. Printing facility provides a wide range of waste component that is harmful to the environment and people. Those harmful waste component contains high concentration of heavy metals and dye. This paper presents one of the most promising methods to remove the heavy metals and dyes from a printing wastewater before discharging to the environment. The feasibility of commercially available NF270 membrane to treat both heavy metals and dye was thoroughly investigated. The study was carried out using a cross-flow nanofiltration membrane system at operating pressure and temperature set at 5 bar and 24 ˚C, respectively. Experimental results showed that the permeate flux of NF270 is decreased from 6.2 to 5.0 L/m2 .h after 1-h operation. Whilst, the rejection of both iron and zinc ions could be obtained up to 96.9% and 97.8%, respectively. Additionally, almost complete elimination of colour (99.6%) could be achieved using NF270 membrane. Thus, it can be concluded that the commercial NF270 membrane is promising in removing both heavy metal ions and dye from printing wastewater.

Item Type: Article
Uncontrolled Keywords: Printing wastewater treatment; thin film nanocomposite; nanofiltration
Subjects: T Technology > TP Chemical technology
T Technology > TD Environmental technology. Sanitary engineering > TD201-500 Water supply for domestic and industrial purposes > TD429.5-480.7 Water purification. Water treatment and conditioning. Saline water conversion
T Technology > TP Chemical technology > TP200-248 Chemicals: Manufacture, use, etc.
Divisions: Faculty of Engineering Technology > Department of Chemical Engineering Technology
Depositing User: UiTM Student Praktikal
Date Deposited: 05 Jan 2022 03:03
Last Modified: 05 Jan 2022 03:03

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