US 11,697,603 B2
Decontaminant, carbon/polymer composite, decontamination sheet member and filter medium
Shun Yamanoi, Tokyo (JP); Hironori Iida, Tokyo (JP); Machiko Minatoya, Tokyo (JP); Seiichiro Tabata, Tokyo (JP); and Shinichiro Yamada, Tokyo (JP)
Assigned to Sony Corporation, Tokyo (JP)
Appl. No. 13/982,810
Filed by Shun Yamanoi, Tokyo (JP); Hironori Iida, Tokyo (JP); Machiko Minatoya, Tokyo (JP); Seiichiro Tabata, Tokyo (JP); and Shinichiro Yamada, Tokyo (JP)
PCT Filed Feb. 9, 2012, PCT No. PCT/JP2012/000854
§ 371(c)(1), (2), (4) Date Jul. 31, 2013,
PCT Pub. No. WO2012/108198, PCT Pub. Date Aug. 16, 2012.
Claims priority of application No. 2011-026858 (JP), filed on Feb. 10, 2011; and application No. 2012-015058 (JP), filed on Jan. 27, 2012.
Prior Publication US 2014/0231342 A1, Aug. 21, 2014
This patent is subject to a terminal disclaimer.
Int. Cl. C02F 1/28 (2023.01); B01D 61/04 (2006.01); B01D 61/08 (2006.01); B01J 20/28 (2006.01); B01J 20/20 (2006.01); C01B 32/05 (2017.01); C02F 1/00 (2023.01); C02F 1/42 (2023.01); C02F 101/20 (2006.01); C02F 101/30 (2006.01); C02F 1/44 (2023.01); C02F 1/68 (2023.01); C02F 101/36 (2006.01); C02F 101/12 (2006.01)
CPC C02F 1/288 (2013.01) [B01D 61/04 (2013.01); B01D 61/08 (2013.01); B01J 20/20 (2013.01); B01J 20/2803 (2013.01); B01J 20/28004 (2013.01); B01J 20/28011 (2013.01); B01J 20/28035 (2013.01); B01J 20/28057 (2013.01); B01J 20/28069 (2013.01); B01J 20/28083 (2013.01); C01B 32/05 (2017.08); C02F 1/003 (2013.01); C02F 1/281 (2013.01); B01D 2311/04 (2013.01); B01D 2313/90 (2013.01); C01P 2004/60 (2013.01); C01P 2006/12 (2013.01); C02F 1/283 (2013.01); C02F 1/285 (2013.01); C02F 1/286 (2013.01); C02F 1/42 (2013.01); C02F 1/441 (2013.01); C02F 1/444 (2013.01); C02F 1/68 (2013.01); C02F 2101/12 (2013.01); C02F 2101/20 (2013.01); C02F 2101/305 (2013.01); C02F 2101/36 (2013.01); C02F 2201/006 (2013.01); C02F 2303/185 (2013.01); C02F 2307/02 (2013.01); C02F 2307/04 (2013.01); C02F 2307/06 (2013.01); C02F 2307/10 (2013.01)] 34 Claims
OG exemplary drawing
 
1. A decontaminant for an aqueous solution, the decontaminant comprising:
a porous carbon material comprising meso fine pores having a pore diameter from 2 nm to 50 nm, micro fine pores having a pore diameter smaller than 2 nm, and macro fine pores having a pore diameter exceeding 50 nm, the porous carbon material having a value of a specific surface area based on a nitrogen BET method of 1×102 m2/g or more, a volume of meso and macro fine pores based on a BJH method of 0.3 cm3/g or more, and a bulk density of 0.1 g/cm3 or more to 0.8 g/cm3 or less, a volume of macro, meso, and micro fine pores by mercury porosimetry of 1.5 cm3/g or more, and having a plant containing at least one component selected from the group consisting of sodium, magnesium, potassium and calcium as a raw material, and having a particle size distribution consisting of a first particle size range of 0.50 mm to 0.85 mm; and a second particle size range of 0.85 to 1.7 mm, wherein the first particle size range is at a greater particle size distribution percentage as compared to the second particle size range.