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Table 2 Comparison of GC and online analytics for the off-gas composition

From: Methanation of CO2 - storage of renewable energy in a gas distribution system

Component Analytic method
Online analytic (vol.%) GC analytic (vol.%)
Methane (CH4) 82.8 81.3
Hydrogen (H2) 12.87 14.64
Carbon dioxide (CO2) 4.31 4.01
Carbon monoxide (CO) 0.02 0.03
Ethane (C2H6) - 0.02