Cantor Colburn LLP
Membrane surface activation to eliminate fouling and concentration polarization in water purification systems
Disclosed herein is a membrane comprising a bonding layer; and an activation layer disposed on the bonding layer and in contact with it; where the activation layer comprises catalyst nanoparticles that are operative to decompose impurities contained in an aqueous solution to generate gas bubbles that remove a sludge disposed on the membrane. Disclosed herein too is a method of purifying an aqueous solution comprising disposing in the aqueous solution, a membrane that comprises a bonding layer and an activation layer; where the activation layer comprises catalyst nanoparticles; partitioning the aqueous solution into a concentrate portion and a filtrate portion; where the activation layer contacts the concentrate portion; and decomposing impurities contained in the aqueous solution to generate gas bubbles that remove a sludge disposed on the membrane.
THE PENN STATE RESEARCH FOUNDATION
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Manish Rajarshi Darrell
Kumar Guha Velegol