Patent ID: 8114279

Claim:
A disinfection system for reducing viruses in water by at least 50%, said system comprising either a conduit or a container packed with filtration media and only one microorganism-removing agent; wherein said only one microorganism-removing agent comprises particles of an element with an oxide, hydroxide, and/or oxyhydroxide coating having positively charged surface sites on said particles' surface through corrosion in water; wherein said element is selected from the group consisting of zero valent iron and zero valent aluminum; wherein said filtration media comprises at least one of anthracite, sand, gravel, activated carbon, zeolite, clay, diatomaceous earth, garnet, ilmenite, zircon, charcoal, and ion exchange resin; and wherein said only one microorganism-removing agent is mixed with said filtration media in an amount effective to remove said viruses.