Table 1 Summary of experimental results of continuous CO2-separation studies.

From: Crystal growth of clathrate hydrate formed with H2 + CO2 mixed gas and tetrahydropyran

Authors

System

Feed gas composition by mole fraction

Experimental condition

Results

Ref

Temperature (K)

Pressure (MPa)

H2:CO2 mole fraction in the gas phase

H2:CO2 mole fraction in the slurry phase

Horii and Ohmura

H2 + CO2 + water

H2:CO2 = 0.6:0.4

271.8

7.0

0.87:0.13

0.00:1.00

20

Horii and Ohmura

H2 + CO2 + TBAB + water

H2:CO2 = 0.6:0.4

277.4

5.0

0.81:0.19

0.18:0.82

20

Kiyokawa et al

H2 + CO2 + THP + water

H2:CO2 = 0.6:0.4

277.7

5.0

0.92:0.08

0.00:1.00

17