10- 410.5 a.(mol CO)n1(mol H )n22(mol C H )n336reactor(mol C H )n436(mol CO)n5(mol H )n62(mol C H O)n778(mol C H OH)n847(kg catalyst)n9Flashtank(mol C H )n1136(mol CO)n12(mol H )n132(mol C H O)n1478(mol C H OH)n1547Separation(mol C H )n1636(mol CO)n17(mol H )n182(mol C H O)n1978(mol C H OH)n2047Hydrogenator(mol H )n212(mol H )n222(mol C H OH)n2047Reactor:10626116variables material balancesreactionsdegrees of freedomnn−−+bgFlash Tank:126415variables material balances6 degrees of freedom−−Separation:1051120variables material balances5 degrees of freedom−−Hydrogenator:53131923variables material balancesreactiondegrees of freedom−−+Process:2014Local degrees of freedomties6 overall degrees of freedom−The last answer is what one gets by observing that 14 variables were counted two times
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