Methanation Section Case 2 Isothermal Fluidized Bed

The inlet/outlet composition of the isothermal reactor configuration is shown in Table 8.9 for stream II. In this case, the adopted relatively low temperature of the inlet/outlet streams (380°C) favors the equilibrium of both methanation and water-gas shift in one single reactor and the addition of steam has not been considered. 

A comparison between the EREA and GIBBS approaches in terms of %CH4 vol entering the single isothermal reactor is shown in Table 8.10 for the three composition streams adopted. Similar trends - but slightly higher CH4 yield and content - are found for the isothermal technology compared with the adiabatic case. The obtained composition 

Stream CH4 entering/exiting isothermal EREA methanation reactor (kg/h) CH4 entering/exiting isothermal GIBBS methanation reactor (kg/h) CH4 (%) Upgraded CH4 (vol%)  

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