• Global Site
  • About DIC
  • Business
  • IR
  • Sustainability
  • R&D


EF-120 Large-scale Degassing Module

Large-scale Degassing Module

By employing DIC's proprietary hollow fiber membrane (SS membrane), this module can operate in a vacuum of 20 torr or lower. It can obtain high oxygen removal performance even without using nitrogen and can reduce running costs.


  • A large-type module that possess groundbreaking performance
  • Supports increasing the scale of ultra-pure water supply facilities
  • Capable of degassing down to ultra-low levels
  • Capable of low cost/high efficiency operation because it does not use nitrogen gas

Major Applications

  • Degassing ultra-pure water
  • Corrosion prevention for piping and boilers by removing oxygen in cooling water and supply water

SEPAREL EF-120: A Large-type Module that Possess Groundbreaking Performance

DIC has dramatically increased the number of hollow fibers bundled inside the tube and has successfully developed a large-scale module ("Hollow Fiber Membrane Large-scale Degassing Module") that can degas a maximum liquid volume of approximately 50 square meters each hour. With the characteristics of the SS membrane, dissolved oxygen can be degassed down to ultra-low levels without using nitrogen gas, which makes low cost/high efficiency operation possible.

SEPAREL EF-120 Image/Dimensions

Performance Data: Dissolved Oxygen Removal Rate and Pressure Loss

Dissolved Oxygen Removal Rate

SEPAREL EF-120 Dissolved Oxygen Removal Rate

Pressure Loss

SEPAREL EF-120 Pressure Loss


Treatment Flow Rate 3-50 m3/hr
Size φ315 (excluding protrusions) x L850
Dry Weight 33 kg
Effective Membrane Area 120 m2
Connection Standard (Water Side) JIS 10K 80A flange (loose)
Connection Standard (Vacuum Side) Rc1/2 JIS 10K 15A flange (loose) 15A ferrule


Hollow Fibers 4-methyl-1-pentene
Housing, Cap Polypropylene
Inlet/Outlet Flange Polypropylene
Sealing Medium Epoxy resin
O-Ring EPDM (low dissolution type)
V Band SUS (non-wetted)

For detailed product information about these membrane products, visit SEPAREL website.


For inquires related to these products
For inquires via the web Contact Form

Europe | HOME > DIC Products > Membrane Products > SEPAREL Hollow Fiber Membrane Degassing/Aeration Modules > EF-120 Large-scale Degassing Module