Matterial Of Construction

HI IAM A STUDENT OF CHEMICAL ENGG .. I AM TRYIN TO SELCT MATERIAL OF CONSTRUCTION FOR MY DISTILLATION COLUMN .. THE SPECFICATION OF WHICH IS GIVEN BELOW PLEASE HELP ME IN THIS MATTER



SPECIFICATION SHEET
Identification:
Item Distillation column
Item No. T-201
No. required 1
Tray type Sieve tray
Function : Separation of Vinyl Chloride from DichloroEthane
Operation: Continuous
Material handled
Feed Top Bottom
Quantity 8942.2 Kg/hr 4186.8 Kg/hr 4755.41 Kg/hr
Vinyl Chloride 46.5 % 98.4% 1.0 %
Temperature 125oC 65o C 158oC

Design Data


No. of trays = 19 Active holes = 1350
Pressure = 1200 KPa Weir height = 45 mm
Height of column = 10 m Weir length = 0.783 m
Diameter of column = 0.94 m Reflux ratio = 0.65:1
Hole size = 5 mm Tray spacing = 0.5 m Pressure drop per tray = 0.98 KPa Min. design vapor velocity = 2.05 m/s
Tray thickness = 5 mm Actual Min. vapor velocity = 2.4 m/s
Flooding = 85 %
Active area = 0.442 m2