US 12,233,397 B2
Composite material and use thereof in desulfurization
Cuicui Xu, Shandong (CN); Aihua Liu, Shandong (CN); Feng Han, Shandong (CN); Jianli Liu, Shandong (CN); Zengrang Liu, Shandong (CN); Weidong Tao, Shandong (CN); Wenzhi Chang, Shandong (CN); and Caishan Lyu, Shandong (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC QILU COMPANY, Shandong (CN)
Appl. No. 17/768,108
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC QILU COMPANY, Shandong (CN)
PCT Filed Jul. 24, 2020, PCT No. PCT/CN2020/104502
§ 371(c)(1), (2) Date Apr. 11, 2022,
PCT Pub. No. WO2021/068599, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 201910962508.2 (CN), filed on Oct. 11, 2019.
Prior Publication US 2023/0149892 A1, May 18, 2023
Int. Cl. B01J 20/10 (2006.01); B01D 53/04 (2006.01); B01D 53/50 (2006.01); B01D 53/75 (2006.01); B01D 53/82 (2006.01); B01D 53/96 (2006.01); B01J 20/04 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); C01B 17/16 (2006.01); C01B 17/50 (2006.01)
CPC B01J 20/20 (2013.01) [B01D 53/0423 (2013.01); B01D 53/508 (2013.01); B01D 53/75 (2013.01); B01D 53/82 (2013.01); B01D 53/96 (2013.01); B01J 20/041 (2013.01); B01J 20/103 (2013.01); B01J 20/28064 (2013.01); B01J 20/28071 (2013.01); B01J 20/2808 (2013.01); B01J 20/28083 (2013.01); B01J 20/28092 (2013.01); C01B 17/164 (2013.01); C01B 17/508 (2013.01); B01D 2253/102 (2013.01); B01D 2253/106 (2013.01); B01D 2253/1124 (2013.01); B01D 2253/25 (2013.01); B01D 2253/308 (2013.01); B01D 2253/31 (2013.01); B01D 2253/311 (2013.01); B01D 2257/302 (2013.01); B01D 2259/4009 (2013.01)] 15 Claims
 
1. A composite material, comprising activated carbon, alkali metal oxides, silicon oxides, iron oxides, and rare earth element oxides, wherein the weight ratio between the activated carbon, iron oxides and rare earth element oxides is 100:(0.5-5):(1-10), and the composite material satisfies the following formula I:

OG Complex Work Unit Math
in formula I:
M1 represents the weight content of activated carbon in the composite material;
M2 represents the weight content of alkali metal oxides in the composite material;
M3 represents the weight content of silicon oxides in the composite material;
M4 represents the weight content of iron oxides in the composite material;
M5 represents the weight content of oxides of rare earth elements other than cerium in the composite material.