ArticleACS ES&T engineering2025
Membrane Recycling: Exploring Ozone as a Viable Alternative to Chlorine for Polymeric Membrane Transformation.
Article in ACS ES&T engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ozone, a strong oxidant, induces oxidative degradation in various materials and is known as an effective chemical for polymer modification. This study assesses ozone as an alternative to chlorine oxidation for converting end-of-life reverse osmosis membranes into nanofiltration- and ultrafiltration-like membranes across various new and used reverse osmosis and nanofiltration membranes. Membranes were characterized in terms of permeability and salt rejection, as well as surface characterization. Experiments were conducted at high ozone exposure (20 ppm) and low ozone exposure (3 ppm). At high exposure, ozone was found to degrade both the polyamide (PA) and polysulfone (PSf) layers, opening new possibilities for polyester (backing layer) recycling. At low exposure, degradation was limited to the PA layer; ozone converted membranes more effectively than chlorine, achieving similar performance in less time and at lower doses75 and 225 L·m
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