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| Manufacturing Process: | Corrugation & Assembly |
| Surface Treatment: | Without Processing |
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1. What is the role of structured packing in high vacuum distillation column?
It is a widely used liquid mixture separation operation in industry, widely used in petroleum, chemical, light industry, food, metallurgy and other sectors. Distillation operations are classified in different ways. According to the operation mode can be divided into continuous distillation and intermittent distillation; According to the composition of the mixture, it can be divided into binary distillation and multiple distillation. It can be divided into ordinary distillation and special distillation (including extractive distillation, azeotropic distillation and salt distillation) according to whether the additive in the mixture is added to affect the vapor-liquid balance. If the distillation process is accompanied by distillation, there are two types of chemical reactions called reactive distillation.
2. structured packing products list (part):
| Types of packing | Specific Surface | Void Fraction | Application |
| Wire gauze 500X | 500 | 98.8% |
Fine chemicals head pressure < 300 mbar |
| Wire gauze 700Y | 700 | 98.4% | |
| Metal sheet 125X/Y | 125 | 99.5% | High liquid and gas load |
| Metal sheet 250X/Y | 250 | 98.8% | Standard |
| Metal sheet 350X/Y | 350 | 98.3% | Higher NTSM at lower capacity |
| Metal sheet 500X/Y | 500 | 97.7% | High NTSM |
| Metal sheet 700X/Y | 700 | 97.0% |
3. Mella 350Y distillation packing:
Lower pressure drop through the column
Lower botoms temperature for heat sensitive systems
Higher relative volatility for difficult separations
Lower energy consumption
Reduced foaming tendency
Higher efficiency in the same tower height
Large number of theoretical stages required
Reduced reflux requirement
Higher capacity
Reduced vessel diameter
Increased operating rates
Excellent liquid spreading characteristics
Improved efficiency
Offshore applications subject to permanent tilt and motion
Reduced liquid hold-up
Smaller amounts of polymer inhibitor
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