Tuesday, October 19, 2010

US Patent 7815806 - Purification of fluids with CNTs


This patent teaches methods of fabrication filtration media based on carbon nanotubes useful for water sterilization or desalination. Claim 1 reads:

1. An article for reducing or removing at least one contaminant from a fluid, said article comprising:

(a) a filtration media comprising: carbon nanotubes having at least one functional group attached thereto, and a support medium for said carbon nanotubes, wherein a plurality of said carbon nanotubes are fused or bonded to said support medium, to another carbon nanotube, or to a combination thereof, and

(b) an assembly containing said filtration media.