0 02 04 06 08 10 12 Gas ratio

2100 2000 1900 1800 1700 ^ 1600 | 1500 S

1400 E

1300 H 1200

1100

Fig. 6 Equilibrium ratios at various temperatures for oxidation-reduction and decarburization-carburization reactions. Equilibrium reactions: R, reducing; C, carburizing; O, oxidizing; D, decarburizing. Source: Ref 4

Carbon dioxide content is kept low by maintaining a low enough dew point (water vapor content) to balance the otherwise continuously reversible "water-gas" reaction:

0 0

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