Water gas shift 67 1.5.3 Acid gas removal 70 2 Syngas Applications 73 2.1 Thermodynamic framework for syngas processes 73 2.1.1 Syngas properties 74 2.1.2 Synthesis process properties 79 2.1.3 Process analysis 80 2.2 Hydrogen 85 2.2.1 Routes to hydrogen 85 2.2.2 Hydrogen by steam reforming of hydrocarbons 87 vii viii Concepts in Syngas Manufacture
De = eddy diffusivity, m2/s d = column diameter, m F = full-wave oscillation H = half-wave oscillation hf = froth height, m h~ = clear liquid head, m Lo = liquid rate, m3/ (s) ( m of weir) S = stable biphase V = superficial vapor velocity, m/s Vi = full wave oscillation velocity, m/s W = weir height, m a = hJhf = relative froth density a = eddy viscosity, m2/s p g = gas density, kg/m3 PL = liquid density, kg/m3 g -= acceleration due to gravity, m/s2
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