Filters comprising activated carbon fibers, having a Virus Removal Index (VRI) of at least 99.99

摘要

A filter comprised of activated carbon fibers, wherein said filter has a Virus Removal Index (VRI) of at least about 99 %, as measured in accordance with the test method described in the specification. The filter may comprise unbound fibers, or the fibers may be bound with a binder to form a composite of fibers. Also disclosed is a method of removing viruses from a liquid, the method comprising contacting the liquid with a filter comprising activated carbon fibers wherein said filter has a VRI of at least about 99 %.