Hydrogenious LOHC Technologies, German pioneer in the field of liquid organic hydrogen carriers (LOHC), has signed a contract with the Griesemann Gruppe for the Front End Engineering and Design (FEED) and the subsequent EPCM phase (Engineering, Procurement and Construction Management) for its “Green Hydrogen @ Blue Danube” project.

The scope of work includes engineering, procurement and construction services for the world’s largest LOHC release plant at the Bayernoil refinery in Vohburg, with a release capacity of up to five tons of RFNBO-certified hydrogen from LOHC per day. Corresponding to 1,800 tons of green hydrogen per year, this can replace grey hydrogen produced from natural gas and thus save up to 16,000 tons of CO₂ annually. A potential expansion of the dehydrogenation plant could further contribute to a secure hydrogen supply and future decarbonization of industries in the Danube region.

The FEED phase is planned to be completed in the second half of 2026 which will represent an important milestone to reach FID (Final Investment Decision) of the “Green Hydrogen @ Blue Danube” project. Following a positive FID, the construction phase will begin on site. Start of commercial operations is planned for mid-2028.

First LOHC supply chain will secure hydrogen availability in Bavaria. Hydrogenious' project “Hector” demonstrates the large-scale storage of RFNBO-certified hydrogen in LOHC with a storage plant at Chempark Dormagen, North Rhine-Westphalia. The “Green Hydrogen @ Blue Danube” project will establish a corresponding release plant on the offtaker side.

Combined, the two projects form the “LOHC Link” - a comprehensive and sustainable hydrogen value chain including storage in LOHC, safe transport, and the release and supply of RFNBO hydrogen to industrial offtakers.

Project of Common European Interest. The “Green Hydrogen @ Blue Danube” project has been notified as an “Important Project of Common European Interest” (IPCEI) by the European Commission and receives funding from the German Federal Government and the Bavarian State Government.

The plant will be operated based on Hydrogenious' innovative Liquid Organic Hydrogen Carrier (LOHC) technology, which uses the thermal oil benzyl toluene (LOHC-BT) as a carrier material to store hydrogen safely, efficiently, and flexibly. The LOHC-BT can be transported by deploying already established infrastructure for conventional mineral oil products. As part of the “LOHC Link” supply chain, hydrogen-loaded BT will be transported by truck at ambient conditions.

Competent and experienced partner for FEED and EPCM. Following a tender process, Hydrogenious selected the Griesemann Gruppe as its engineering partner for the FEED phase, with the aim of developing the project to FID. Given the Griesemann Gruppe's project execution capabilities for complex process plants, Hydrogenious intends to entrust the Griesemann Gruppe with the EPCM services of the world’s first industrial-scale LOHC release plant.

With over 1,750 employees at more than 40 locations in Germany, Austria, and the Netherlands, the Griesemann Gruppe is a leading engineering company and EPC contractor in the process industry. The family-owned business specializes in the design, construction, and maintenance of industrial plants for over 45 years and has in-depth expertise in process engineering and complex infrastructure projects.