Question
Mixtures of gasses. Lanzatech (www.lanzatech.com) has commercialized the process of converting carbon dioxide and other components from industrial waste gas to ethanol using microorganisms. For
Mixtures of gasses. Lanzatech (www.lanzatech.com) has commercialized the process of converting carbon dioxide and other components from industrial waste gas to ethanol using microorganisms. For steel mills, much of the carbon monoxide and dioxide are formed from combustion of coke in blast furnaces. The flue gas (gas leaving the blast furnace) contains 20 mol% CO, 25 mol% CO2, 5 mol% H2, and the balance nitrogen. The flue gas is compressed before feeding a fermentation vessel which converts the carbon in the carbon monoxide and carbon dioxide to ethanol. Consider the compression step in this process, which is needed to support high rates of gas-liquid mass transfer needed for commercial viability (I dont know details of the exact process, so numbers are artificial). Determine the amount of flue gas required for this process (in cubic meters per minute and standard cubic meters per minute) if the fermentation vessel needs 150 kmol of carbon dioxide per minute. The gas is compressed to 58 atm at a temperature of 47 oF. Flue gas needed [ ] :______________________ Flue gas needed [ () ] :______________________
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