US 12,258,276 B2
Carbonaceous material, method for producing same, filter for water purification and water purifier
Shuichi Ishida, Okayama (JP); Tetsuya Hanamoto, Okayama (JP); and Hiroe Yoshinobu, Okayama (JP)
Assigned to KURARAY CO., LTD., Kurashiki (JP)
Appl. No. 17/605,392
Filed by KURARAY CO., LTD., Kurashiki (JP)
PCT Filed Apr. 22, 2020, PCT No. PCT/JP2020/017383
§ 371(c)(1), (2) Date Oct. 21, 2021,
PCT Pub. No. WO2020/218370, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 2019-085514 (JP), filed on Apr. 26, 2019.
Prior Publication US 2022/0242737 A1, Aug. 4, 2022
Int. Cl. C01B 32/30 (2017.01); B01D 39/20 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C01B 32/336 (2017.01); C02F 1/28 (2023.01)
CPC C01B 32/30 (2017.08) [B01D 39/2062 (2013.01); B01J 20/20 (2013.01); B01J 20/28057 (2013.01); B01J 20/2808 (2013.01); B01J 20/3078 (2013.01); C01B 32/336 (2017.08); C02F 1/28 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A carbonaceous material having a benzene adsorption of 25 to 40%, a vitamin B12 adsorption of 13.0 to 50.0 mg/g, and a pore volume of mesopores of 0.070 to 0.150 cm3/g as calculated from a nitrogen adsorption isotherm by means of a BJH method.