Gas phase reaction takes place

Assignment Help Chemical Engineering
Reference no: EM13943306

Reaction engineering problems-

Question -4 following gas phase reaction takes place at 500oc 4PH3 (g) ----( P4 (g) +6H2 (g) With rPH = 85h^-1*CPH3 What is the volume of the plug flow reactor operating at this temperature and 5.5 atm, giving 80% conversion for a feed of 2.5 kg-mole PH3 /hr ?

Solution - Let xa = conversion of PH3 For gas phase reaction - ?= moles products - moles reactants / moles reactants = 7-4/4 = 0.75 let Ca = concentration at any instant initial concentration, Cao = P/R.T = 5.5/0.08205 *(500+273) = 5.5/0.082*773 = =0.0867 kg-mole/m3 Ca/Cao = 1-xa/1+?.xa = 1-xa/1+0.75*xa Ca = Cao [1-xa/1+0.75xa] R =r = K.Ca = K.Cao [1-xa/1+0.75xa]

F= Feed rate = 2.5 kg-mole /hr V= volume of the reactor V/F =?dxa/r Volume of the reactor, V= F?( limit 0 to xa).dxa/r = F/K.Cao ?(limit 0 to xa).(1+0.75 xa/1-xa).dxa = F/K.Cao*[(1+0.75*ln1/(1-xa) -0.75.xa]( limit 0 To 0.8) = 2.5/85*0.0867 *[ (1+0.75)*ln 1/0.2 -- 0.75*0.8] = 0.75 m3 Reaction engineering problems-

Question -4 following gas phase reaction takes place at 500oc 4PH3

(g) ----( P4 (g) +6H2 (g) With rPH = 85h^-1*CPH3 What is the volume of the plug flow reactor operating at this temperature and 5.5 atm, giving 80% conversion for a feed of 2.5 kg-mole PH3 /hr ? Solution - Let xa = conversion of PH3 For gas phase reaction - ?= moles products - moles reactants / moles reactants = 7-4/4 = 0.75

let Ca = concentration at any instant initial concentration, Cao = P/R.T = 5.5/0.08205 *(500+273) = 5.5/0.082*773 = =0.0867 kg-mole/m3 Ca/Cao = 1-xa/1+?.xa = 1-xa/1+0.75*xa Ca = Cao [1-xa/1+0.75xa] R =r = K.Ca = K.Cao [1-xa/1+0.75xa] F= Feed rate = 2.5 kg-mole /hr V= volume of the reactor V/F =?dxa/r Volume of the...

Reference no: EM13943306

Questions Cloud

Sensitivity of single cash flow increases with its maturity : Just as the interest rate sensitivity of a single cash flow increases with its maturity, the interest rate sensitivity of a stream of cash flows increases with its duration. A firm's market capitalization is determined by the difference in the market..
Summarising the financial situation : The Financial Plan [Summarise your financial situation including: • how you'll finance your business, e.g. business loan, personal funds, investment capital
What cultural values shape your beliefs : What cultural values shape your beliefs? How would you know whether you have stepped outside a cultural norm with regard to the social clock? Does a specific developmental theory support your personal views of healthy development for a young adult
Condition on attribute rating in table : Write a CHECK constraint that expresses the following condition on attribute Rating in table Movies in Movie Database: "Any possible value of Rating is either a null value or a number in the interval from 0 to 10 inclusively".
Gas phase reaction takes place : Question -4 following gas phase reaction takes place at 500oc 4PH3 (g) ----( P4 (g) +6H2 (g) With rPH = 85h^-1*CPH3 What is the volume of the plug flow reactor operating at this temperature and 5.5 atm, giving 80% conversion for a feed of 2.5 kg-mol..
Bonds outstanding that are selling at par value : Jack's Construction Co. has 100,000 bonds outstanding that are selling at par value. The bonds yield 8.7 percent. The company also has 3.2 million shares of common stock outstanding. The stock has a beta of 1.3 and sells for $20 a share. The U.S. Tre..
Declarations in global or in void functions or main function : These are the guidelines for flow on control in the program. each void function only called one time in program execution. Need help with correcting the code to run and the general code I working with is at the bottom.
What is the effective annual interest rate on the loan : Faircross Farms harvests its crops four times annually and receives payment for its crop 3 months after it is picked and shipped. However, planting, irrigating, and harvesting must be done on a nearly continual schedule. What is the effective annual ..
How do you expect religion and philosophy disciplines : How do you expect one (or more) of these disciplines-History, Religion, Philosophy - to help you understand the art that we'll explore

Reviews

Write a Review

Chemical Engineering Questions & Answers

  Vapour leaving the top of adistillation column

A condenser is required to condense n-propanol vapour leaving the top of adistillation column. The n-propanol is essentially pure, and is a saturated vapourat a pressure of 2.1 bara.

  Volume of acetylene to the combustion energy

Acetylene (C2H2) and butane (C4H10) are gaseous fuels with enthalpies of combustion of 49.9 kJ/g and 49.5 kJ/g, respectively. Compare the energy available from the combustion of a given volume of acetylene to the combustion energy from the same ..

  Thermometry is the science of temperature measurementnbsp

thermometry is the science of temperature measurement.nbsp for a thermometer to work we infer the temperature from the

  Outlet composition corresponding to equilibrium

The resulting products are cooled and passed over a medium-temperature shift catalyst that gives an outlet composition corresponding to equilibrium at 350 °C.

  Consider an ordinary helium-filled party balloon

Consider an ordinary, helium-filled party balloon with a volume of 2.2ft3 . The lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon.

  Inert gas for blanketing and purging vessels

A supply of nitrogen is required as an inert gas for blanketing and purging vessels. After generation, the nitrogen is compressed and stored in a bank of cylinders, at a pressure of 5 barg.

  Process industry in oman and prepare a report

Test the knowledge and understanding of the concepts and procedures for process instrumentation and communication systems used in process industries.

  Temperature of the reaction mixture

The heat capacity of thereactants and products are 1.95 kJ/kg-K, the volumetric flow rate is 0.33 m3/hr, and the feedtemperature is 20oC. If the conversion is 95%, calculate (a) the reactor size and (b) the temperature of the reaction mixture, ift..

  Ethical issue in technology

This is the first part of a three-part assignment: an individual assignment to research existing or emerging IT related technology and its ethical impact.

  Fow rate and composition in terms of mole fractions

Propane in the feed to the unit and 80% of the pentane fed to the unit. The mole fraction of butane in the distillate is yB ? 0.4 . The bottom stream contains all of the hexane fed to the unit. Calculate the distillate and bottoms streams flow rate a..

  Elementary second order adiabatic reaction

An elementary second order adiabatic reaction A+ B CD ? + is taking place in a CSTR. The feed to the reactor is equimolar A and B at concentrations of 2.4 mol/liter. The entering temperature is 300 K.

  Question 1a handling operations for solidpowder substances

question 1a handling operations for solidpowder substances are often a source of dust generation and are a source of

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd