A Reliable Solution for Two-Phase Horizontal Separators
Two-Phase Horizontal Separators are a common type of pressure vessel used to separate gas and liquid mixtures. They are widely used in the oil and gas industry, as well as in other industries where gas-liquid separation is required.
How Two-Phase Horizontal Separators Work
A horizontal separator is a cylindrical vessel that is oriented horizontally. When a gas-liquid mixture enters the separator, the heavier liquid phase settles to the bottom of the vessel, while the lighter gas phase rises to the top.

Pictured above: Schematic of two-phase horizontal separator
Key Components of a Horizontal Separator:
- Inlet Nozzle: The point where the gas-liquid mixture enters the separator.
- Mist Eliminator: A device that removes liquid droplets from the gas stream.
- Gas Outlet Nozzle: The point where the separated gas exits the separator.
- Liquid Outlet Nozzle: The point where the separated liquid exits the separator.
Advantages of Horizontal Separators:
- Efficient Liquid-Liquid Separation: The horizontal design provides a larger liquid-liquid interface, promoting efficient separation of oil and water.
- Lower Pressure Drop: The longer horizontal path reduces pressure loss across the separator.
- Flexibility: Horizontal separators can be customized to accommodate various flow rates, pressures, and liquid-gas ratios.
Key Considerations for Separator Design and Selection:
- Capacity: The separator must be sized to handle the required flow rate.
- Pressure Rating: The separator must be designed to withstand the operating pressure.
- Material Selection: The materials of construction must be compatible with the fluid being processed.
- Mist Eliminator Selection: The mist eliminator must be selected based on the specific requirements of the application.
- Installation and Maintenance: Proper installation and regular maintenance are crucial for optimal performance.
Horizontal separators are a reliable and versatile solution for two-phase separation. Their efficient design and ease of maintenance make them a popular choice in many industries.