Modification of ceramic microfilters with colloidal zirconia to promote the adsorption of viruses from water

• Published in: Water research (Oxford) Vol. 42; no. 6; pp. 1726 - 1734
• Main Authors: Wegmann, Markus, Michen, Benjamin, Luxbacher, Thomas, Fritsch, Johannes, Graule, Thomas
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.03.2008; Elsevier Science
• Subjects: Adsorption; animal pathogens; Applied sciences; bacteriophages; Ceramics; Colloidal zirconia; colloids; Colloids - chemistry; Diatomaceous earth; Exact sciences and technology; filters; Filtration; heat treatment; isoelectric point; micropores; microporous ceramic filters; Microscopy, Electron, Scanning; Other industrial wastes. Sewage sludge; Pollution; Virus filter; viruses; Viruses - isolation & purification; Wastes; water filters; Water Microbiology; water treatment; Water treatment and pollution; Zeta potential; zirconia; zirconium; Zirconium - chemistry; zirconium dioxide; Adsorption; Diatomaceous earth; Colloidal zirconia; Zeta potential; Virus filter; Surface charge; Filter medium; Heat treatment; Filtration; Adsorption capacity; Microporosity; Isoelectric point; Bacteria; Electrokinetic potential; Ceramic materials

The purpose of this study was to test the feasibility of modifying commercial microporous ceramic bacteria filters to promote adsorption of viruses. The internal surface of the filter medium was coated with ZrO 2 nanopowder via dip-coating and heat-treatment in order to impart a filter surface charg...