US 12,434,227 B2
Catalytic reaction apparatus comprising coating composition for catalyst and coating method
Jong Chul Lee, Ulsan (KR)
Assigned to KUK IL INNTOT CO., LTD., Ulsan (KR)
Appl. No. 17/627,930
Filed by KUK IL INNTOT CO., LTD., Ulsan (KR)
PCT Filed Jul. 16, 2020, PCT No. PCT/KR2020/009379
§ 371(c)(1), (2) Date Mar. 28, 2022,
PCT Pub. No. WO2021/010768, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 10-2019-0085796 (KR), filed on Jul. 16, 2019; application No. 10-2019-0134993 (KR), filed on Oct. 29, 2019; application No. 10-2020-0032768 (KR), filed on Mar. 17, 2020; and application No. 10-2020-0053880 (KR), filed on May 6, 2020.
Prior Publication US 2022/0258135 A1, Aug. 18, 2022
Int. Cl. B01J 23/30 (2006.01); B01D 53/86 (2006.01); B01J 37/02 (2006.01)
CPC B01J 23/30 (2013.01) [B01D 53/8628 (2013.01); B01J 37/0215 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20776 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A catalytic reaction apparatus, the apparatus comprising a plurality of catalyst portions to which a coating composition is applied,
wherein the coating composition comprises 1 to 15 parts by weight of tungsten, 1 to 15 parts by weight of vanadium, 35 to 55 parts by weight of titanium and 30 to 45 parts by weight of oxygen,
wherein each of the plurality of catalyst portions includes a first catalyst portion and a second catalyst portion positioned below the first catalyst portion,
wherein the second catalyst portion has a shape of a plate,
wherein the first catalyst portion has a corrugated shape in a cross-section thereof,
wherein an upper end of the first catalyst portion has a shape in which valleys are formed, and
wherein each of the plurality of catalyst portions is stacked on one another in a vertical direction.