molasses is fermented to obtain liquor containing ethyl alcohol. For this, CO2 rich gas containing some ethyl alcohol will be used. Alcohol will be gained by absorption by using water in a sieve type rack column. Find the required number of equilibrium stages under the specified conditions. NOTE: Gas - LIQUID counter current, isothermal, isobaric system, mass transfers other than ethyl alcohol can be neglected. Inlet gas: 180 kmol / h; 98% Co2 2% ethyl alcohol; 30 ° c, 110 kPa Inlet liquid: 100% water; 30 ° C, 110 kPa Required ethyl alcohol recovery: 97%

Q: 4. A total of 200 mol/s of a liquid mixture with 40 mol% benzene and 60mol % toluene is fed to a…

A:

Q: In a coffee-cup calorimeter, 23.8 g sample of solid KBr is dissolved in 100.0 g of water at 15.0 °C.…

A: mass of KBr= 23.8gmass of water=100gso mass of te solution=123.8gT1= 15°CT2= 7.9°CCS=…

Q: 1. Based on the following figure, answer the following questions: (a) How many actual trays are…

A:

Q: Prepare the simplest principal type of flowsheet for the following process, and indicate the…

A:

Q: Evaporative Crystallizer.A 5,000-lb batch of 20 wt% aqueous MgSO4 solution is fed to an evaporative…

A: Mass of initial aqueous solution of MgSO4 fed to the crystallizer, mF = 5000 lb The weight percent…

Q: 7 evaporators are connected in series, i.e., the concentrated product of the first one is fed to the…

A: Introduction   Chemical engineers refer to a multiple-effect evaporator as a device for effectively…

Q: Hot Soap is chilled on a roller and scraped continuously from the roller onto a moving conveyor belt…

A: Given that entering soap contains 25% water by weight, and it is desired to reduce the water content…

Q: Magnesium hydroxide (A) solution is an efficient solvent for CO2 (B) scrubbing from refinery sour…

A: According to the two-film theory in case of absorption/scrubbing:

Q: Q2/ A continuous distillation column is used to separate a feed mixture at its boiling point,…

A:

Q: Experimental data for the reaction A → 2B + C have been plotted in the following three different…

A: data for the reaction A → 2B + C have been plotted here we can use by trail and error of order of…

Q: Problem No 3: A material contains 75% water and 25% solid is fed to a granulator at a rate of 4000…

A:

Q: Slabs of building boards contain 16% moisture. They are dried to a water content of 0.5% by…

A: SolutionFeed (F) : slabs 16% moistureproduct (P) : slabs 0.5% moistureFresh air (FA) : 0.02 kg…

Q: A rectification column is fed 100 kmol/h of a mixture of 50 mol% benzene and 50 mol% toluene at…

A:

Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

A: given  current (i)=2.26 A Weight of Sc produced=25 g let us calculate the time using below equation…

Q: Flash Distillation (or Single-Stage Contact) A mixture of 70 mole % n-pentane and 30 mole %…

A: A mixture of two hydrocarbons is flashed vaporized.

Q: Stripping #1: Ammonia from Water Ammonia is stripped from a dilute aqueous solution by…

A: A countercurrent stripping process of ammonia from dilute aqueous solution is done by contacting it…

Q: Figure.Q1 shows an evaporator to concentrate the sodium hydroxide solution at 90 °C The volume…

A: • Given data: Feed to evaporator (F) = 10,000 kg/h Inlet NaOH concentration = 20% Outlet NaOH…

Q: For a material recycling facility (MRF), the composition of the solid waste is given as: Paper –…

A: The given solid waste is sorted manually and then fed to zigzag pulse air classifier.

Q: If the amount of N2 in the fuel is minimal, the fuel is connected to the kiln gas through…

A: Given: If the amount of N2 in the fuel is minimal, the fuel is connected to the kiln gas through…

Q: What is the purpose of a filter cartridge in a heating or cooling unit? to filter the air and…

A: Filter cartridges are used to filter down particles of size up to ten microns. This is a…

Q: MAKE A PROCESS FLOW SHEET DIAGRAM IN PRODUCING ETHYL ACETATE BY AN ESTERIFICATION PROCESS Ethanol…

A: To make a PFD for producing ethyl acetate by the given esterification process

Q: Explain the reason for the following: (a) STRs are constructed of stainless steel or glass (b)…

A: A bubble column reactor is an apparatus used to generate and control gas-liquid chemical reactions.…

Q: Aluminium is obtained by the electrolysis of a mixture of Cryollite oxide. Why is cryolite used? It…

A: This question is based on the process of aluminium extraction via electrolysis. We will analyze each…

Q: 2. plata rate of 10,000 kg/hr, calculate the flowrate of the liquid quid leaving the unit, this…

A: A feed is sent into a mixer and followed by a calciner. There are two discharges from the calciner.…

Q: A 200 mol / h liquid mixture containing %35 mol A and %65 mol B into a distillation column It is fed…

A:

Q: A 5,000-lb batch of 20 wt% aqueous MgSO4 solution is fed to an evaporative crystallizer operating at…

A: Given data: Amount of feed = 5,000 lb Composition of MgSO4 in the feed = 20 wt%  Operating…

Q: If there is crude oil that contains 200 PPM of Vanadium if 5000 barrel is burned per day calculate…

A: Crude oil is a liquid found below the Earth's surface that can be separated into various useful…

Q: Please show every step you used to solve each problem. A vapor mixture of 100 mol/s comprising 55…

A: Taking the values from previous answer

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: Cryoscopic constant is defined as the depression in freezing point when one mole of solute is…

Q: A total of 6,000 lb/h of a liquid solution of 40 wt% benzene in naphthalene at 50oC is cooled to…

A: The total flow rate of the liquid solution, ṁF = 6000 lb/h The weight percentage of benzene (C6H6)…

Q: Binary system A trayed tower is to be designed to continuously distill 450 kmol/hr of a binary…

A: Overall component material balance on benzene zF x F = (xD x D)  + (xB x B) 0.6 x 450 = 0.95D +…

Q: Provide basis, find, Process flow diagram and show step-by-step solution for the process. Topic:…

A: Sodium hydroxide is produced by the electrolysis of an aqueous solution of NaCl.

Q: A sample stream of dry gas is being withdrawn from a stack. The stack gases are at 200oC and 730 mm…

A: Mass transfer is the transfer of the number of particles from one medium to another. So the driving…

Q: Differential Equations: Mixing Problem A tank contains 200 liters of brine with 20 kg of salt in…

A: initial volume of brine =200 L initial amount of salt =20 Kg initial concentratio of salt =20…

Q: In a certain furnace, Propane C3H8 is burned as fuel with an actual air mass flow rate of 30 kg per…

A: Dilution factor is defined as Actual mass of air required is 30 Kg per 2 Kg fuel. So for 1 Kg fuel…

Q: Problem 2 Ethane is burned with 50 % excess air. The percentage conversion of the ethane is 90 %. Of…

A: Given Ethane burned with 50% excess air % Conversion of ethane=90% of Ethane burned  Formed CO=25%…

Q: 1. Based on the following figure, answer the following questions : (a) How many actual trays are…

A: Mc-Cabe Thiele diagram of a mixture is given.

Q: A front feed evaporation system has 2 effects and a condenser. The evaporator (2 effects) is used to…

A: Questions to be Answered: a) Process Stream Temperature Following Heating:Determine the temperature…

Q: Q.1 A hydrocarbon gas A is fed continuously to a mixed flow reactor at 450°C and pressure 6 atm,…

A:

Q: Steel surface can be hardened by carburization. Such process is done at 1000°C and the concentration…

A:

Q: The process in which transfer of hot air with water leads to the addition of water to air is due to…

A: Dehumidification of air means the removal of moisture from the air by different means such as air…

Q: A single effect evaporator is used to concentrate a dilute stream of sugar syrup containing 3%…

A: Here is my handwritten solution:Step 1: Draw a simple process diagram. List down the given values.…

Q: QUESTION 2-)Assuming that the enthalpy of evaporation does not change with temperature, find the…

A: Enthalpy of evaporation does not change with temperature. at standard condition, Temperature, T=273…

Q: Q2: A tray tower is to be designed to absorb SO₂ from an air stream by using pure water a 20 °C. The…

A: SO2 is absorbed from the mixture of air-SO2 with the help of pure water in a tray absorption tower.