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1000 kg/hr of a mixture containing 42 mole percent heptane and 58 mole percent ethyl benzene is to be fractionated to a distillate containing 97 mole percent heptane and a residue containing 99 mole percent ethyl benzene using a total condenser and feed at its saturated liquid condition. The enthalpy-concentration data for the heptane-ethyl benzene at 1 atm pressure are as follows:
xheptane 0 0.08 0.18 0.25 0.49 0.65 0.79 0.91 1.0
yheptane 0 0.28 0.43 0.51 0.73 0.83 0.90 0.96 1.0
Hl (kJ/kmol) x 10-3 24.3 24.1 23.2 22.8 22.05 21.75 21.7 21.6 21.4
Hv (kJ/kmol) x 10-3 61.2 59.6 58.5 58.1 56.5 55.2 54.4 53.8 53.3
Calculate the following:
a. Minimum reflux ratio
b. Minimum number of stages at total reflux
c. Number of stages at reflux ratio of 2.5
d. Condenser duty
e. Reboiler duty
Select any process/chemical engineering topic of your interest and in about 1000 words explain how modeling is involved in its study and development. regards Mohammed
His Ph.D. research atStanford focused on computer simulations of how mechanical stresses affect bone growth and adaptive changes around implants. He was doing biomechanics but "with a little 'b' and a big 'M'," he says.
In Addition, Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.1 days. If a patient with thyroid disease consumes a sample of Na131I containing 10 of 131I, how long will it take for the amount of 131I to..
The ship must unload 1000 metric tons within 5 hours to avoid demurrage charges. Estimate the power required by the pump. Take the pump efficiency as 70%. Physical properties of toluene: density 874 kg/m3, viscosity 0.62 mNm-2 s.
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.
A vapor of titanium isopropoxide (partial pressure = 133 pascal) is reacted in O2 rich CH4 flame at T=2000K. Calculate the diameter of the nuclei.
Calculate the tower height, Z, and tower diameter, D, needed so that the Z/D ratio is about 4 and at this optimum condition, what are the values of f, Tez, and air flow rate, G?
List the types of separator that could be considered for. Bearing in mind the nature of the process, what type of separator would you recommend for this duty?separating the solids from the liquid
question 1what are the two main types of industrial ventilation which are used to control airborne contaminants in a
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
air at 4mpa and 3000c enters a will insulated turbine operating at steady state with negligible velocity. the air
1. A newly constructed power plant proposes to burn coal with a sulfur content of (a) 1.8 and (b) 2.4 percent by weight. If the plant is to meet the new source review performance standard (see attached CFR new source regulation), what percent of SO 2..
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