UNIT OPERATION - EXAMPLE 9.2 : A distillation column separates 10000 kg / hr of

UNIT OPERATION - EXAMPLE 9.2 : A distillation column separates 10000 kg / hr of a mixture containing equal mass of benzene and toluene. The product D recovered from the condenser at the top of the column contains 95 % benzene, and the bottom W from the column contains 96 % toluene. The vapor V entering the condenser from the top of the column is 8000 kg / hr. A portion of the product from the condenser is returned to the column as reflux R, and the rest is withdrawn as the final product D. Assume that V, R, and D are identical in composition since V is condensed completely. Find the ratio of the amount refluxed R to the product withdrawn D. Hint : Solve the simultaneous equations as follow in order to find the answer (R / D) : 10000 = D + W; 10000 (0.5) = D (0.95) + W (0.04); 8000 = R + D.

Question Posted / kangchuentat

1 Answers
2673 Views
I also Faced
E-Mail Answers

UNIT OPERATION - EXAMPLE 9.2 : A distillation column separates 10000 kg / hr of a mixture containing..

Answer / kangchuentat

UNIT OPERATION - ANSWER 9.2 : Overall Process - Total Balance : 10000 = D + W. Benzene Balance : 10000(0.50) = D (0.95) + W (0.04). Solving simultaneously, D = 5050 kg / hr; W = 4950 kg / hr. Total balance around the separator : 8000 = R + D; R = 2950 kg / hr. Answer : Ratio R / D = (2950 / 5050) = 0.58. The answer is given by Kang Chuen Tat; PO Box 6263, Dandenong, Victoria VIC 3175, Australia; SMS +61405421706; chuentat@hotmail.com; http://kangchuentat.wordpress.com.

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Chemical Engineering Interview Questions

Question 46 - In a steady state one dimensional conduction with no heat generation, the differential equation is d / dx (k dT / dx) = 0. Prove that T(x) = ax + b, where k, a and b are constants. (b) At x = 0, T = c and at x = L, T = d. Prove that T(x) = (d - c) x / L + c for boundary conditions.

1 Answers

why back washing is performed in DM water plant?

2 Answers

what is the difference between PFR ,MFR and batch rector

1 Answers BARC, CPCL,

What is the purpose of capacitor?

0 Answers

what is mean by reflux ratio?

4 Answers

wt is inhand salary in hpcl as a officer in research and development?????

0 Answers

Can you pls tell me how to calculate the amphere rating of cable in case of three phase supply but all load is single phase

0 Answers

Explain how can you separate hydrogen peroxide into hydrogen and oxygen?

0 Answers

ENGINEERING MECHANIC - EXAMPLE 15.3 : A biochemical trolley of mass 15 kg is towing a trailer of mass 5 kg along a straight horizontal pathway. The trailer and the trolley are connected by a light inextensible tow-bar. The engine of the trolley exerts a driving force of magnitude 100 N. The trailer and the trolley experience resistances of magnitude 10 N and 30 N respectively. (a) Form 2 equations with unknowns T and a, that represents the equilibrium for the 2 systems of the trolley and trailer. (b) Solve the simultaneous equations from the 2 equations that are obtained in part (a) of this question. T is the tension of the tow-bar and a is the acceleration.

1 Answers

What is the ignititon temprecher of Diesel,Petrol&Carosion oil.

0 Answers ME,

What is mean by pump head 5 meter?

6 Answers

What is the principles of crayogenic expansion turbin

1 Answers Goyal Group,

For more Chemical Engineering Interview Questions Click Here