Nanotechnology Applications for Clean Water, 2nd Edition

Chapter 9

Nanotechnology-Based Membranes for Water Purification

Eric M.V. Hoek¹, Mary Theresa M. Pendergast¹ and Asim K. Ghosh²,    ¹Department of Civil and Environmental Engineering and California NanoSystems Institute, University of California, Los Angeles, CA, USA,    ²Desalination Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India

Herein we present a critical review of nanotechnology-enabled materials touted as low-energy replacements for conventional reverse osmosis (RO) membranes in desalination and water reuse applications. Zeolite coatings promise a highly selective material that have the chemical, thermal, and mechanical stabilities of conventional ceramic membranes. Nanocomposite membranes exhibit up to three times higher ...