Catalyst

CO shift ratio, %

265˚C

350˚C

400˚C

H₂S > 500 ppm

H₂S > 500 ppm

H₂S > 500 ppm

H₂S, 160 ppm

Sample with special assistant

7.10

38.64

59.68

56.13

Sample without special assistant

6.32

33.38

54.51

48.98