Industrial Chemical Process Design
Including complex operations and formulas that are explained in an easy-to-understand format, this book provides the solutions to some of the most complex problems in chemical process design.
TABLE OF CONTENTS Industrial Chemical Process Design
Chapter 3: Fractionation Tray Design and Rating
Nomenclature
| ? G | gas density, lb/ft 3 | |
| ? L | liquid density, lb/ft 3 | |
| A A | tray deck active area, ft 2 | |
| alpha | equilibrium light component K/heavy component K | |
| AREA | total tower internal cross-sectional area, ft 2 | |
| beta | wet tray gas pressure drop factor, accounting for frictional loss | |
| CDC | FPL factor for 2-pass tray, ft | |
| CDCAREA | center downcomer area for 2- or 3-pass tray, ft 2 | |
| CDOC | FPL factor for 3-pass tray, ft | |
| cfs | cubic feet per second | |
| DC | side downcomer width, in | |
| DCAREA | side downcomer area, ft 2 | |
| DEG | angle of downcomer chord/2, degrees | |
| DIA | tower diameter, ft | |
| D L | liquid density, lb/ft 3 | |
| DP TRAY | total bubble cap tray pressure drop, inches of liquid | |
| DP TRAY1 | pressure drop, dry tray condition, inches of liquid | |
| D V | gas density, lb/ft 3 | |
| EOG | one point source referenced to tray efficiency, % | |
| F | packing factor | |
| F GA | dry tray gas rate loading factor | |
| FLD 2 | bubble cap active area flood | |
| FPL | flow path length of cross-tray liquid flow, downcomer inlet to downcomer outlet, in | |
| G | gas mass velocity, lb/ft 2 * h | |
| gpm | gallons per minute | |
| HDC 2 | downcomer liquid backup, inches of liquid | |
| H F | froth height, in | |
| HF 10,HF 45, H F | effective tray froth height, in | |
| HHD | dry tray bubble cap riser pressure drop,... |
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