Figure P13.44 shows four components in series. Coal,

Chapter 13, Problem 13.44

(choose chapter or problem)

Figure P13.44 shows four components in series. Coal, oxygen (\(\mathrm{O}_{2}\)), and steam are fed to the gasifier, which produces syngas (synthesis gas) with the following molar analysis:

\(\begin{array}{l} \mathrm{CH}_{4}, 0.3 \% ; \mathrm{H}_{2}, 29.6 \% ; \mathrm{CO}_{2}, 10.0 \% ; \mathrm{CO}, 41.0 \% ; \\ \mathrm{N}_{2}, 0.8 \% ; \mathrm{H}_{2} \mathrm{O}, 17.0 \%, \mathrm{H}_{2} \mathrm{~S}, 1.1 \%, \mathrm{NH}_{3}, 0.2 \% \mid \end{array}\)

The \(\mathrm{H}_{2} \mathrm{S}\) and \(\mathrm{NH}_{3}\) are removed and the mixture then passes through a chiller that condenses 98% of the water present in the syngas stream. The condensate is removed and the resulting gas stream is fed to the combustor, where its burns completely with 400% of theoretical air. For the combustor, determine the amount of air required, in kmol per kmol of syngas.