US 12,220,682 B2
Composite aggregate particles, adsorbent using same, molded body and water purifier
Shuji Kawasaki, Okayama (JP); Shuji Matsunaga, Tokyo (JP); Tetsuya Hanamoto, Okayama (JP); and Hiroe Yoshinobu, Okayama (JP)
Assigned to KURARAY CO., LTD., Kurashiki (JP)
Appl. No. 17/441,744
Filed by KURARAY CO., LTD., Kurashiki (JP)
PCT Filed Mar. 25, 2020, PCT No. PCT/JP2020/013482
§ 371(c)(1), (2) Date Sep. 22, 2021,
PCT Pub. No. WO2020/203587, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-065652 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0219137 A1, Jul. 14, 2022
Int. Cl. B01J 20/18 (2006.01); B01J 20/20 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); C02F 1/28 (2023.01); C02F 101/12 (2006.01); C02F 101/20 (2006.01); C02F 101/36 (2006.01)
CPC B01J 20/18 (2013.01) [B01J 20/20 (2013.01); B01J 20/261 (2013.01); B01J 20/28004 (2013.01); B01J 20/28076 (2013.01); C02F 1/288 (2013.01); B01J 2220/46 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); C02F 1/285 (2013.01); C02F 2101/12 (2013.01); C02F 2101/20 (2013.01); C02F 2101/36 (2013.01); C02F 2201/006 (2013.01)] 17 Claims
 
1. Composite aggregate particles, comprising:
a fine particle compound (a1) containing at least either an amorphous titanosilicate compound or an aluminosilicate compound; and
a plastic powder (a2),
wherein
the plastic powder (a2) is attached to at least a part of a surface of the fine particle compound (a1), and
a pore volume and an average particle size D50 of the composite aggregate particles satisfy the following formula:
pore volume (ml/g)≥0.0010×D50 (μm)+1.60.