Low-Temperature Separation Units for Natural Gas
Natural gas and associated petroleum gas are among the most important sources of energy and raw materials for chemical production, heating, ventilation, lighting, and the generation of heat and electricity.
Petroleum gas extracted from underground contains water, carbon dioxide, hydrogen sulfide, nitrogen, methane, ethane, and other components. These can be used for various purposes only after the removal of moisture and separation of individual components.
Separation of natural gas (NG) and associated petroleum gas (APG) is applied in the following cases:
- requirements for dehydration of NG and APG to obtain pipeline-quality gas,
- requirements for separation of gas mixtures to obtain desired product components at the outlet,
- requirements for increasing the proportion of specific components in the output product.
The method is based on cooling the gas at constant pressure. During the process, excess moisture condenses and is removed, and the gas dew point decreases.
Examples of implemented projects include:
- increasing the mass fraction of methane in the output gas,
- separation of heavier hydrocarbons,
- separation of methanol as a product component,
- dehydration of pipeline gas,
- other applications.
Design: skid-mounted and container-mounted units designed for use at oil and gas fields with minimal installation and relocation costs.
