Low-pressure dehydration unit (freeze-drying) ）

Low-pressure refrigerated air dryers are generally installed at the front section of biogas purification units to perform preliminary dehydration and drying of biogas under ambient temperature and atmospheric/low pressure conditions, reducing the operational water dew point of biogas to 15–20°C.

Low-pressure Refrigerated Dryer Technical Parameters

Applicable Gas Pressure: 0~1 MPa 

Applicable Gas Temperature: ≤50°C 

Process Medium: Biogas, natural gas 

Inlet Gas Moisture Requirement: Free of liquid water 

Outlet Operational Water Dew Point: 15~20°C

Product Advantages

1.Optimized for low-pressure conditions with minimal pressure drop Specially optimized for atmospheric and low-pressure biogas systems, featuring low operating pressure loss without insufficient gas supply pressure.

2.Stable drying performance Consistently lowers the dew point of compressed gas and efficiently removes moisture and impurities from biogas. It prevents water accumulation, icing and corrosion inside pipelines, protecting downstream pneumatic equipment and production processes.

3.Energy-efficient operation and low noise Equipped with a high-efficiency refrigeration system and temperature-controlled energy-saving logic; the refrigeration cycle starts and stops on demand to cut energy consumption. The unit runs smoothly without high-frequency vibration for a friendly working environment.

4.Fully automatic operation Fitted with an intelligent control system supporting automatic refrigeration, automatic drainage, fault self-inspection and overload protection. No full-time operator is required for simple and convenient operation.