Influence of Fabric Support on Improving the Layer-by-Layer Polyethersulfone Membrane Performance
Ahmed A. Bhran, Abdelrahman G. Gadallah, Eman S. Mansor, Heba Abdallah
TL;DR
This study explores how different fabric supports affect the performance of reverse osmosis membranes in terms of water flow and salt rejection.
Contribution
The novelty lies in comparing woven and non-woven fabric supports to optimize reverse osmosis membrane performance.
Findings
Polyester woven support provides a permeate flux of 39.9 LMH with piperazine coagulation.
Polyester non-woven support achieves 92.2% salt rejection with melamine coagulation.
Polypropylene support yields the lowest mechanical properties among tested supports.
Abstract
This work is based on studying the effect of different kinds of support on the prepared reverse osmosis membranes. Different kinds of woven and non-woven supports were tested and characterized to select the best one for RO membrane preparation. The prepared membrane on polyester woven support (M1ws) provides 39.9 LMH permeate flux using a piperazine coagulation bath during membrane preparation, while polyester non-woven support (M2ns) exhibits the highest salt rejection percentage, which was 92.2% using a Melamine coagulation bath. The mechanical properties for preparing membranes using supports were arranged in descending order as follows: M1ws > M2ns > M3np. The membrane on polypropylene support (M3np) provides the lowest mechanical properties.
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Taxonomy
TopicsConducting polymers and applications · Synthesis and properties of polymers · Fuel Cells and Related Materials