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ENGLISH ISSUE BIOGAS JOURNAL | AUTUMN_2023 The Sogevac vacuum pumps made by Leybold are part of the pressure swing adsorption unit. be required for this, and the whole system could be integrated with solar thermal installations. Other uses of biomethane related to greenhouse gas (GHG) quotas are also being considered. Equipment of the natural gas automatic control system. Quality assurance in the natural gas automatic control system. Expansion with an Electrolysis Plant and AI The project partners are already planning the next steps: The previously unused CO 2 from the upgrading unit is to be converted into additional methane using hydrogen from an electrolysis process. “We want to operate the production of hydrogen with surplus regional wind power,” says Helfried Welsch. Approximately 2,000 tons of hydrogen per year would be required to fully utilize the generated CO 2 . “This would enable us to roughly double the amount of produced biomethane.” However, putting this plan into effect still depends on funding approval by the state. In the future, the entire system is also intended to be equipped with Artificial Intelligence (AI). According to Helfried Welsch, this will provide predictive capabilities that will allow for flexible utilization of the existing CHP plants on the farms. The more biogas is injected into the raw biogas pipeline, the more the use of AI will become necessary. In addition, a modular expansion of the existing upgrading unit is conceivable. And there is also the transferability to other locations: “We can duplicate our concept and plan to do so soon,” says Wolfgang François. With 48 biogas plants in the Bitburg-Prüm district of the Eifel region, he estimates that there is sufficient potential for that. And his project partner, Helfried Welsch, emphasizes how concrete the whole thing already is: “In the northern part of the Westeifel, we are in the process of bringing together additional partners to establish a similar model.” Further information: SWT Stadtwerke Trier www.swt.de bank loans, and KfW funds. The KfW funds covered 30 percent of the raw biogas pipeline, equivalent to approximately 1.5 million euros. From the perspective of the project leaders, the high effort is worthwhile: “We can now use the biomethane where heat is really needed,” says Helfried Welsch. He envisions district concepts with electricity-driven CHP (combined heat and power) plants. Local buffer storage tanks would Author Dipl. Geographer Martin Frey Specialist Journalist Fachagentur Frey – Kommunikation für Erneuerbare Energien Lilienweg 13 · 55126 Mainz 00 49 61 31/61 92 78-0 mf@agenturfrey.de www.agenturfrey.de 40
BIOGAS JOURNAL | AUTUMN_2023 ENGLISH ISSUE EXPERTISE IN BIOGAS WE TURN PROBLEMS INTO SOLUTIONS ANALYTICS & CONSULTING ON SITE EVERYWHERE AND AT BIOGAS CONVENTION IN HALL 09 STAND C25 ENSILING AGENTS ENZYMES NH 3 Ni Se BIOGAS IS OUR TRADE TOXIN BINDERS DESULPHURIZATION MICRONUTRIENTS BIO SPECIAL PRODUCTS ORGANIC CERTIFICATION PRODUCTS For more information please contact us at +49 4101 218 6000 // info@schaumann-bioenergy.com // www.schaumann-bioenergy.com 41
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Autumn 2023 EN

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