| Issue |
MATEC Web Conf.
Volume 333, 2021
The 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019)
|
|
|---|---|---|
| Article Number | 04007 | |
| Number of page(s) | 5 | |
| Section | Separation Processes | |
| DOI | https://doi.org/10.1051/matecconf/202133304007 | |
| Published online | 08 January 2021 | |
Removal of Chromium from Water Environment by Forward Osmosis System
Department of Chemical Engineering, The University of Kitakyushu, Hibikino 1-1, Kitakyushu, 808-0135, Japan
* Corresponding author: yoshizuka@kitakyu-u.ac.jp
Forward osmosis (FO) technology has been applied for removal of chromium (Cr) from water environment. Comparison of the removal efficiency of Cr(VI) and Cr(III) was investigated by changing several operational conditions. The pH of feed solution plays an important role in rejection of Cr. The Cr(VI) rejection was increased with increasing pH, while Cr(III) rejection was stable. It also demonstrated that the rejection of Cr was higher when the membrane active layer faces the feed solution compared to the rejection when the membrane active layer faces the draw solution.
© The Authors, published by EDP Sciences, 2021
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