Pilot Plant for Extracting Hydrogen from Natural Gas Pipeline

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  • Germany’s Linde Engineering has started up a full-scale pilot plant in Dormagen to showcase how hydrogen can be separated from natural gas streams using its membrane technology.
  • The full-scale plant at Linde production site in Dormagen, Germany, features Linde’s HISELECT® powered by Evonik membrane technology to extract hydrogen from natural gas pipelines.
  • As an accelerator, the facility contributes to a low-carbon economy and paves the way for transporting hydrogen in natural gas pipelines.
  • When coupled with pressure swing adsorption technology, Linde’s HISELECT® powered by Evonik has the potential to help decarbonize hard-to-abate sectors.

The process is a key enabler for scenarios in which hydrogen is blended with natural gas and transported via natural gas pipelines. The blended gas could consist of between 5 and 60 percent hydrogen. Membranes are then used to extract hydrogen from these natural gas streams at the point of consumption. The resulting hydrogen has a concentration level of up to 90 percent. When further processed with Linde Engineering’s pressure swing adsorption (PSA) technology, a purity of up to 99.9999 percent can be achieved.

Membrane technologies are vital to efforts around the globe for establishing hydrogen infrastructure. In Europe, 11 transmission system operators are working on creating the European Hydrogen Backbone. Their aim is to build and expand a functional hydrogen network, based largely on repurposed existing natural gas infrastructure.

Author: Bryan Groenendaal


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