Preparation of Cation Exchange Resin Filled EVAL Hollow Fiber Membrane Adsorbent
- Fengli Zhang
AbstractThis paper presents a generic technology allowing the incorporation of functional entities into a porous substrate. Ion
exchange particles were incorporated into an ethylene vinyl alcohol (EVAL) copolymer porous matrix by a dry-wet
spinning process and a heterogeneous matrix, composed of solid particles surrounded by a polymeric film, was formed.
Hydrophilic ethylene vinyl alcohol copolymer (EVAL) and cation exchange resin D061 powder used as matrix material
for hollow fiber membrane and functional particles, respectively, resins with different loading were prepared to fill
EVAL hollow fiber membrane adsorbents. The membrane adsorbents were characterized with respect to their
morphology, porosity, pure water flux (PWF), and rejection rate. Micro morphology was observed by the scanning
electron microscope method. Effects of resin load on the performance of membrane adsorbents were mainly discussed.
The experimental results showed that PWF and porosity increased and retention coefficient decreased with higher resin
This work is licensed under a Creative Commons Attribution 4.0 License.
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