Glucose (C,H1,O,) and ammonia form a sterile solution (no live cells) fed continu-ously into a vessel. Assume complete reaction. One product formed from the reactioncontains ethanol, cells (CH1800.5No.2), and water. The gas produced is CO2. If thereaction occurs anerobically (without the presence of oxygen), what is the minimumamount in kg of feed (ammonia and glucose) required to produce 4.6 kg of ethanol?Only 60% of the moles of glucose are converted to ethanol. The remainder is con-verted to cell mass, carbon dioxide, and water.

Given that- Glucose (C6H12O6) and ammonia(NH3) react to form a sterile solution and produce ethanol,…

Answered: Glucose (C6H1206) and ammonia form a…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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To prepare delicious banana milk on an industrial scale, there is an experimental process that consists of seven unit operations.A stream of bananas (whose components are fruit, peel, and moisture) is fed to a peeler, where 99.9% of the peel is removed.This stream should become pulp, so it is mixed with an additive Q to avoid pulp oxidation. This mixture is then sent to anextruder press wherein a stream of a 50:50 mixture of additives Q and R is added. The resulting flow of 30 kg/h has acomposition of 2% additive R and 5% additive Q.This flow is then fed to an agitated mixer. To the same mixer is fed a dairy stream of 250 kg/h that contains 70% milk (therest is water) and a sweet aqueous stream that contains 30% sugar. For each 25 kg/h of dairy flow, 2 kg/h of the sweet flowis fed.The stream that leaves the agitated mixer has 5% fruit and 0.005% peel and enters a series of two thermal processes in whicheach operation allows 5% of the water and 2% of the milk to evaporate. The resulting…
Titanium dioxide (TIO:) is used extensively as a white pigment. It is produced from an ore that con- tains ilmenite (FETIO,) and ferric oxide (Fe,0,). The ore is digested with an aqueous suifuric acid solution to produce an aqueous solution of titanyl sulfate [(TiO)SO.] and ferrous sulfate (FeSO,). Water is added to hydrolyze the titanyl sulfate to H;TIO3, which precipitates, and H2SO.. The pre- cipitate is then roasted, driving off water and leaving a residue of pure titanium dioxide. (Several steps to remove iron from the intermediate solutions as iron sulfate have been omitted from this description.) Suppose an ore containing 24.3% Ti by mass is digested with an 80% H;SO, solution, supplied 50% excess of the amount needed to convert all the ilmenite to titanyl sulfate and all the ferric oxide to ferric sulfate [Fe;(SO,)). Further suppose that 89% of the ilmenite actually decomposes. Calculate the masses (kg) of ore and 80% sulfuric acid solution that must be fed to produce 1000 kg…
Carbon dioxide reacts with ammonia to give ammonium carbamate, a solid. The reverse reaction also occurs: CO2(g) + 2 NH3(g) 2NH4OCONH2(s) The forward reaction is first order in CO,g) and second order in NH3(g). Its rate constant is 0.238 atm¯² s-1 at 0.0°C (expressed in terms of partial pressures rather than concentrations). The reaction in the reverse direction is zero order, and its rate constant, at the same temperature, is 1.60 x 10-7 atm s1. Experimental studies show that, at all stages in the progress of this reaction, the net rate is equal to the forward rate minus the reverse rate. Compute the equilibrium constant of this reaction at 0.0°C.
QUESTION9 A 100 mole /hr liquid feed mixture containing 30 mole% A and 70 mole% B at 30.0 °C is to be separated by flash distillation under 1 std atm pressure, such that 40 mole% of the feed is vaporised. (a) Determine the composition of the vapour and liquid products, and the vapour product flow rate.if the equilibrium data given by d AB -2.4. Suppose that a second flash distillation unit is added. The vapour product from the first unit is first condensed completely into liquid and this liquid acts as the feed to the second flash distillation unit (b) Determine the fraction of this liquid feed that needs to be vaporized in order to obtain a vapour product of 80 mole% acetone from this second flash distillation unit.
Solve the given sub-parts (a) If dry hydrogen gas at atmospheric pressure is burnt completely in a furnace with 32 % excess air, calculate the Orsat analysis of the flue gas from this furnace (b) furnace uses a coal the ultimate analysis shows 57.22 % C, 5.64 % H, 1.41 % N, 5.06 % S, and 14.67 % ash. If the sulfur in the ash is negligible and the excess air is 80 %, compute the Orsat analysis of the combustion gases.
Chemical engineering
Nitrogen dioxide reacts with difluorine to produce Nitryl fluoride (NO,F). NO2+F2→NO,F+F NO2+F>NO2F 98.381 kmol of Nitrogen dioxide produces 45.26 kmol of Nitryl fluoride. Calculate 1. Percentage conversion of Nitrogen dioxide 2. Percentage yield of Nitryl fluoride.
A continuous fractionating column is required to separate a binary mixture containing 0.20 mole fraction of A into a top product of 0.95 mole fraction A, and a bottom product containing 0.02 mole fraction A. The feed is liquid at its boiling point. The vapour leaving the column is condensed but not cooled, and the reflux ratio is 9:1. The relative volatility (a) remains constant at 1.85 and the vapour and liquid equilibrium data are in the form: α = y(1-x) x(1-y) Calculate: (a) the number of theoretical plates required; (b) the position of the feed plate;
16. Every year, oral rehydration therapy (ORT) –the feeding of an electrolyte solution -saves the lives of countless children worldwide who become severely dehydrated as a result of diarrhea. One requirement of the solution used is that it be isotonic with human blood. An ORT solution contains 3.5 g NaCl, 1.5 g KCI, 2.9 g Na3C6H507 (sodium citrate), and 20.0 g C6H1206 (glucose) per liter. What is the freezing point of this solution? You may assume that the density of the solution is 1.00 g/mL and that the freezing point depression constant (Kf) for water is 1.86 °C/m. -0.59 оС -1.86 оС 0.00 oC +0.51 oC -7.44 oC
Measurements of species concentrations in hot combustion flows are often made by extracting a gas sample using a water-cooled probe, and subsequently analyzing the sample. 1. In a given experiment involving combustion of ethane (C2H6) and air, mole fractions of 10% for CO2 and 5% for CO were recorded in a wet sample gas (i.e., without the removal of water from the products). What was the equivalence ratio o for this process?

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