Dahlman Renewable energy


Welcome to the website of Dahlman Renewable Technology

Since 1886, Dahlman has been a specialist in filtration & separation solutions, providing equipment to clients worldwide. Since 2001 we are cooperating with ECN to develop the OLGA tar removal system. Today OLGA is proven technology, commercially available and presented together with other gas cleaning technologies.

Test facilities

Test facilities

The combination of ECN & Dahlman is strong. We have test equipment and process specialists for many applications that can be brought into action for your project. more..

OLGA process philosophy

OLGA process philosophy

The philosophy of OLGA is based on dew point control. OLGA operates above the water dew point, but reduces the tar dew point to a level under the lowest process temperature. Tar & water are not mixed! The tar removal principle of OLGA is based on a multiple stage scrubber in which, the gas is cleaned by special scrubbing oil. In the first section of OLGA... more..