In a petrochemical plant, a gas containing 5% cyclo-hexane and 95% inerts has to be treated with a non-volatile absorption oil in a packed tower. It is required to remove 96% of the cyclo-hexane of the feed gas. The feed solvent is free from cyclo-hexane. If the feed gas rate is 80 kmol/h, Calculate the minimum solvent rate. The equilibrium relation is given as Y = 0.2X/(1 + 0.8X)

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

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Q: 5 evaporators are connected in series, i.e., the concentrated product of the first one is fed to the…

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Q: Determine the percentage of excess air fed to this reaction, then calculate the molar flowrate of…

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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: Express the concentration of the given solute in parts per million (ppm).

A: (1).  (a). V = 330 ml, mass = 50 mg To Calculate the concentration of the given solute, Conc. =…

Q: . A distilling column is fed with a solution containing 0.45mass fraction of benzene and 0,55 mass…

A: Given  Feed contain 0.45 mass fraction benzene and 0.55 mass fraction toluene

Q: Since NH3 gas does not dissolve at a boundary, it diffuses in N2, which does not spread. Total…

A: Total pressure PT = 1013 × 105 Pa Temperature T = 298 K Partial pressure of NH3 PA1 = 1333 × 104 Pa…

Q: 11. A strip of magnesium weighing o.200 g is added to 3.00 mL of 5.00 M hydrochloric acid. During…

A: Given that Mass of magnesium strip, Mg =0.200 g, molar mass = 24.3 g/mol Volume of HCl solution =…

Q: A continuous single-effect evaporator concentrates 9072 kg/h of a 1.0 wt% salt solution entering at…

A: Introduction:- The heat exchanger for boiling the solution and the specific features for separating…

Q: Example 4.2. HNO, and 8 wt% water, by mixing You are asked to make 1,000 kg of the mixed acid…

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Q: An iron-carbon alloy initially containing 0.255 wt% C is exposed to an oxygen-rich and virtually…

A: Given data: Initial concentration of C = 0.255 wt % Surface concentration = 0.0 wt % Temperature =…

Q: Calculate the volume of aqueous solution (density = 980 g/L) produced after treating 100 moles of…

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Q: An iron-carbon alloy initially containing 0.200 wt% C is exposed to an oxygen-rich and virtually…

A: Given data:The initial carbon concentration is The carbon concentration at the surface is The carbon…

Q: QUESTION 1: For reactions involving nitrogen gas or oxygen gas as reactant, air is usually used as…

A: Reactant contains Nitrogen and oxygen gas. Air is usually used as a source.  Air contains 21% oxygen…

Q: Question 1 A vapour stream flows into an absorber at a flow of 100 mol/s. The composition of the…

A: Given:The flow rate of the vapor stream Component Mol%Water1diethyl ether4n-butanol2n-butane93The…

Q: An evaporator is fed with 17400 kg/h of a solution containing 12.1% NaCl, 19.9% NaOH, and the rest…

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Q: Assume that 50 g of KCl is dissolved in 100 g of water at 100 °C and the solution is allowed to cool…

A: Given: A graph of solubility vs temperature is provided for various compounds. It is assumed that 50…

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: ou are involved In the process to disinfect water by using chlorine gas, it is important to produce…

A: To calculate a) efficiency of directly producing work and electricity from hydrogen produced in…

Q: A liquid mixture of benzene-toluene is to be distilled in a fractionating tower. The feed containing…

A: Introduction:- Distillation is the process of turning a liquid into a vapor, which is then condensed…

Q: Example 3.6: A continues fractionation column, operation at atmospheric pressure , is to be designed…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which…

Q: the zeolite at 1 atmospheric pressure. If at the

A: Given data       assume :1 kg  zeolite  composition:   CO2 = .15 mole N2 = .85 mole Selectivity = 22…

Q: a (meaning that 92% of the ben

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Q: A lead ore, galena, consisting mainly of lead (II) sulfide, is the principal source of lead. To…

A: Enthalpy change of reaction a = -415.4 kJ Enthalpy change of reaction b = 108.5 kJ

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

A: Given  Feed F = 149 kg/s  Concentration of salt in feed = 2.11%    Final concentration of salt =…

Q: Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from…

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Q: n the manufacture of sulfuric acid by the contact process iron pyrites, FeSj, is burned in dry air,…

A: (a) To calculate the weight of air to be used per 100 lb of pyrites charged, we need to consider the…

Q: A tray distillation column tower is to be designed to distill 550 Ibmol/h of a binary mixture of 50…

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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: An iron-carbon alloy initially containing 0.255 wt% C is exposed to an oxygen-rich and virtually…

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Q: One hundred kg/hr of a 50 wt% solution of solute C in solvent A is to be extracted at 25 °C in a…

A: Given = 100 Kg/h of a 50 wt% solution of solute CT = 25^cTo find = Number of counter current stages

Q: A triple effect evaporator concentrates a sugar solution from 12% sugar to 60% sugar. Assuming that…

A: To Find :             Composition of products leaving each effect. Here, Triple effect evaporator is…

Q: One way of purifying gaseous H₂ is to pass it under high pressure through the holes of a metal’s…

A: Palladium is used for absorbing H2 under high pressure. Density of absorbed H2 approaches density of…

Q: An iron-carbon alloy initially containing 0.308 wt% C is exposed to an oxygen-rich and virtually…

A: Given:D=5.5×10-10m2sC0=0.308%Cs=0%Cx=0.231%t=6 h=21600 s

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

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Q: One thousand kg/h of a 45 wt% acetone-in-water solution is to be extracted at 25oC in a continuous,…

A: a) The minimum solvent flow rate corresponds to an infinite number of equilibriumstages(1) Points…

Q: Large amount of water at 54°C is flowing over a plate made of benzoic acid. If the mass transfer…

A: Given data: Mass transfer coefficient = 0.04 mol/m2.s Solubility of benzoic acid in water = 0.08…

Q: F2 gas and excess iodine solid are heated together at high temperatures.  The iodine sublimes and…

A: Given, I=2.5g,  No. of moles of I=2.5/Atomic mass of I=2.5/127 moles No. of moles of I=0.019685…

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: leaving the distillation column are at different temperatures. a) Determine the number of degrees of…

A: 1) feed mixer contains pure nbutane at temperature T which is only unknown so it's degrees of…

Reactive Processes

Reactive processes are the processes in which any reaction occurs. The reactions can be any combination reaction, decomposition reaction, combustion reaction, oxidation reaction, reduction reaction, neutralization reaction, displacement reaction, or double displacement reaction.