What is it about?
The problem is the solution: end-of-life reverse osmosis (RO) membranes can be recycled by oxidative treatment to produce low costs microfiltration or ultrafiltration membranes.
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Why is it important?
In order to clarify the efficiency of oxidative treatment of end-of-life RO membranes, it was necessary to unambiguously assess some important parameters. Low pressure is considered favorable within the purpose of minimizing energy costs. An conventional cleaning at room temperature was efficient in order to permeability recovery during successive cycles of fouling and cleaning for 150 hours.
Perspectives
The membrane direct recycling by chemical modification is gaining interest at academic and industrial level. The recycled membranes offer potential use for water and wastewater treatments with good performance and fouling resistance process.
Dr Eduardo Coutinho de Paula
Federal University of Minas Gerais
Read the Original
This page is a summary of: Recycling of end-of-life reverse osmosis membranes by oxidative treatment: a technical evaluation, Water Science & Technology Water Supply, April 2017, IWA Publishing,
DOI: 10.2166/wst.2017.238.
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