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Linde Engineering begins plant for extracting H2 from natgas pipelines

Linde Engineering has officially started up the world’s first full-scale pilot plant in Dormagen to showcase how hydrogen (H2) can be separated from natural gas streams using Linde’s HISELECT powered by Evonik membrane technology.

2022-01-20_full -scale Pilot Plant _small

The process is a key enabler for scenarios in which (H2) is blended with natural gas and transported via natural gas pipelines. The blended gas could consist of between 5%–60% hydrogen. Membranes are then used to extract (H2) from these natural gas streams at the point of consumption. The resulting hydrogen has a concentration level of up to 90%. When further processed with Linde Engineering’s pressure swing adsorption technology, a purity of up to 99.9999% can be achieved. 

Membrane technologies are vital to efforts around the globe for establishing (H2) infrastructure. In Europe, 11 transmission system operators are working on creating the European Hydrogen Backbone. Their aim is to build and expand a functional (H2) network, based largely on repurposed existing natural gas infrastructure. Membrane technology could be integral for efficiently transporting (H2) to end users for use as an industry feedstock, as a source of heat and power, or as a transportation fuel. 

“The HISELECT demonstration in Dormagen allows us to display essential technology for transporting hydrogen via natural gas pipelines in a real-life setting. It shows a way to leverage existing infrastructure. In doing so we avoid the high costs and the long process that would be involved in building a dedicated hydrogen pipeline infrastructure,” says John van der Velden, Senior Vice President Global Sales & Technology, Linde Engineering. 


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Gas distribution systems are critical to the effective operation of many industrial facilities around the world. Despite the importance of these systems, however, opportunities to improve their performance and cost-effectiveness are often missed or misunderstood. Increasing changeover pressure may seem like a good way to improve system flow, for example, but it often does so at the expense of bottled gas. Adding regulators may help you control supply pressure, but it also adds cost to your system. So, how do you know what the ideal gas distribution setup is for you?

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