Refer to the discussion of the gasification of coal, and show that some of the heat required in the gasification reactions (equations 7.26 and 7.27) can be supplied by the methanation reaction. This fact contributes to the success of modern processes that produce synthetic natural gas (SNG).

Eq. 7.26

Eq. 7.27

Transcribed Image Text:

C(graphite) + H₂O(g) CO(g) + H₂(g) A,H° +131.3 kJ molt = (7.26)