Water-purifying material, a process for manufacturing the same and a process for purifying water

U.S. Patent Number: 5342528

Abstract: A water purifying material containing (1) an activated carbon having (a) silver and/or an inorganic silver compound and (b) a water soluble alkaline earth metal salt supported thereon and (2) a bone-char, which can significantly inhibit the dissolution of silver and can be used for a long period of time.

Inventors: Adachi; Kiyoshi (Kobe, JP), Uda; Yasuaki (Nara, JP), Suzuki; Masayuki (Kizu, JP)

Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)

Application Number: 08/041,186

Issued: 1994-08-30

Expired: 2006-08-30

Classes: 210/668 ; 210/501; 210/502.1; 210/694; 210/764; 502/411; 502/417

Field of search: 502/183,184,417,416,410,251,411,7,414,415 422/19,28 210/764,501,502.1,763,694,663,679,668

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