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Engineering, 17.12.2019 03:31 kiridis03

Bacteria consume all of the limiting reactant under aerobic conditions and produce insulin and biomass. c6h12o6 + anh3 + bo2 = pc2.3h2.8o1.8n(insulin) + qch1.9o0.3n0.3(biomass) + rco2+ sh2o (where a, b,p, q,r, s are stoichiometric coefficients). feed containing 150 mm glucose (that is, 150 x10^- 3 mol c6h12o6/l) and 50 mm ammonia enters a bioreactor at a rate of 100 l/h. pure oxygen enters the reactor as a gas at the same molar flow rate as the ammonia (0.05 mol o2/h the product stream leaves at a rate of 100l/h. the respiratory quotient rq 0.50 mol co2 produced/mol o2 consumed (r/b), and the molar ratio of biomass to insulin produced in the reaction (q/p) is 1.5. the system operates at steady state. (a) determine the six stoichiometric coefficients and the limiting reactant. (b) what are the fractional conversions of glucose and the production rates (g/h) of insulin and biomass? c6h1206: 0.15 mol c6h1206/h nh3: 0.05 mol nh3/h

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