US 12,330,134 B2
Hydrocarbon adsorbent
Mayuko Suwa, Saitama (JP); and Hidekazu Goto, Saitama (JP)
Assigned to Mitsui Mining & Smelting Co., Ltd., Tokyo (JP)
Appl. No. 17/911,820
Filed by Mitsui Mining & Smelting Co., Ltd., Tokyo (JP)
PCT Filed Mar. 11, 2021, PCT No. PCT/JP2021/009753
§ 371(c)(1), (2) Date Sep. 15, 2022,
PCT Pub. No. WO2021/187304, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 2020-049066 (JP), filed on Mar. 19, 2020.
Prior Publication US 2023/0049498 A1, Feb. 16, 2023
Int. Cl. B01J 20/18 (2006.01); B01D 53/94 (2006.01); B01J 20/34 (2006.01); C01B 39/46 (2006.01); F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01)
CPC B01J 20/18 (2013.01) [B01D 53/9418 (2013.01); B01D 53/9436 (2013.01); B01J 20/3408 (2013.01); B01J 20/3483 (2013.01); C01B 39/46 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/912 (2013.01); F01N 3/0828 (2013.01); F01N 3/2066 (2013.01); F01N 3/2803 (2013.01); F01N 2240/18 (2013.01); F01N 2370/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A hydrocarbon adsorbent, comprising a zeolite having an MRT-type framework structure,
wherein the zeolite comprising at least one metal element M selected from the group consisting of copper, titanium, vanadium, chromium, manganese, iron, cobalt, zirconium, niobium, technetium, ruthenium, calcium, strontium, barium, lithium, potassium and rubidium, and
a content ratio of the metal element M contained in the zeolite is 0.3% by mass or more and 10% by mass or less.