Differential Distillation Benzene and Toluene Separation: Rayleigh's Equation
Please see the attached file for the fully formatted problem(s). 100 moles of Benzene (A) and Toluene mixture containing 50% (mole) of Benzene is subjected to a differential distillation at atmospheric pressure till the composition of benzene in the residue is 33%. Calculate the total moles of the mixture distilled. Average ...continues
Differential Distillation - Rayleigh's equation
Please see the attached file for the fully formatted problem(s). A liquid feed consisting of 1200 gmoles of mixture containing 30% naphthalene and 70% dipropylene glycol is differentially distilled at 100 mm Hg pressure and final distillate contains 55% of the feed solution. The VLE data are x 8.4 11.6 28.0 50.6 68.7 80.6 8 ...continues
Number of Plates at Total Reflux
Problem: A mixture of benzene and toluene containing 40 mole % of benzene is to be separated to give a product of 90 mole % of benzene at the top and bottom product with not more than 10 mole % of benzene. Using an average value of 2.4 for the volatility of benzene relative to toluene, calculate the number of theoretical plates ...continues
Distillation and Reflux: Ponchon-Savarit Method
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 h ...continues
Solvent Extraction: Calculation of the Number of Stages Required
Problem: 60 tons per day of oil-sand (25 mass % oil and 75 mass % sand) is to be extracted with 40 tons per day of naphtha in a counter-current extraction battery. The final extract from the battery is to contain 40 mass % oil and 60 mass % naphtha and the underflow from each unit is expected to consist of 35 mass % solution an ...continues
Newton's Law of Cooling Problem: Rate of Ice Melting
Please see the attached file for the fully formatted problem(s). Cubical capacity width = 0.5m Thickness = 3 cm In a cube there will be of 6 faces so for determining surface area for heat transfer we will have to multiplied by 6 with area So surface area for heat transfer = 6*(width) 2 ...continues
basic concepts -- conduction, convection, radiation
I'm having trouble in my Heat Transfer class and need a better overall understanding of Heat concepts. Please help me grasp the following four things about this assignment: 1) Basic concept this assignment is related to 2) Key equation/formula needed for this assignment 3) Any other basic fundamental concept(s) needed for t ...continues
Unit Length Heat Loss and Describing a Thermal Circuit
Please see the attached file for the fully formatted problem(s). Find unit length heat lost and describe the thermal circuit. Copper pipe inside radius r1 = 1cm And thickness of pipe = 0.3 cm So pipe outside radius r2 =1.3cm Thickness of insulated material = 1cm Radius of pipe with insulation r3 =2.3cm Thermal conduct ...continues
Electrical Energy: Center Temperature and Maximum Temperature of a Wall
Please see the attached file for the fully formatted problem(s). Find center temperature and maximum temperature in the wall. Given that in problem Radius of wire r = 0.001268m Length of wire L= 0.9m Average conductivity k = 22.5 W/m.K Resistance R = 0.126 ohms Current = 200A Wall temperature Twall = 422.1K
Center Temperature -- Electric Current Passed Through a Wire
Please see the attached file for the fully formatted problem(s). An electric current of 200 A is passed through a stainless steel wire having a radius of 0.001268 m. The length of the wire L is 0.91m and has a resistance of 0.126 ohms. The outer surface temperature Ts is held at 422.1 K. The average conductivity is k=22.5 W/m ...continues
