A quaternary oxide foam, comprises an open-cell foam containing (a) a dopant metal, (b) a dopant nonmetal, (c) titanium, and (d) oxygen. The foam has the advantages of a high surface area and a low back pressure during dynamic flow applications. The inactivation of Escherichia coli (E. coli) was demonstrated in a simple photoreactor.
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
This application was funded in part under the following research grants and contracts: National Science Foundation, Agreement Number CTS-0120978, and U.S. Department of Energy grant DEFG02-91-ER45439. The U.S. Government may have rights in this invention.