Background: Membrane technology using Spiral Wound Reverse Osmosis (SWRO) is long
established as a large scale industrial membrane process for desalination. Membranes need to be managed
after their life cycle.
Aim: The present study involves the AOP studies for liquefaction and depolymerization of desalination
membranes under batch reactor mode.
Method: Advanced Oxidation Process (AOP) based hydrothermal liquefaction process techniques have
been carried out for Ultra Filtration (UF) membranes; permeate spacer and RO membranes at different
stirring rates, temperatures, concentrations and reaction durations.
Result: The comparison of process techniques under dynamic conditions for liquefaction and depolymerization
of permeate spacer/UF & RO membranes are presented with an objective for facilitating
chemical recycling or disposal of the same.
Conclusion: The synergistic effect of radiation with concentration of reaction media is established.