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Green H2 reduces CO2 footprint of refineries

Green H2 reduces CO2 footprint of refineries

by | Jun 6, 2022 | Germany

Aerial view of the site in Hemmingstedt, © Raffinerie Heide

Aerial view of the site in Hemmingstedt, © Raffinerie Heide

The trend is clear: refineries also need to become greener – recently also to limit the use of Russian oil and gas. In Germany, refineries are responsible for about a fifth of the CO2 emissions by the sector. Green hydrogen can be integrated into existing production processes. Several refineries are currently making this transition. (more…)

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Hydrogen Regions series: living lab – hydrogen storage power plant in Schwarze Pumpe

Hydrogen Regions series: living lab – hydrogen storage power plant in Schwarze Pumpe

by | Jun 5, 2022 | Germany

Structural diagram comparing a hydrogen storage power plant with a conventional power plant

comparison hydrogen storage and convential power plant

The production of green hydrogen is reliant upon electrolyzers being fed solar- and wind-generated electricity. Since these energy sources are fluctuating, and therefore not always available, a different approach and control mechanism is required compared with conventional power plants. At the RefLau model power plant in the area of Lusatia, work is underway as part of a grant project to analyze, initially on a small scale, how Germany’s energy supply could be controlled in the future. (more…)

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Hydrogen recycling at DHBW Mannheim

Hydrogen recycling at DHBW Mannheim

by | Jun 4, 2022 | Germany

The EH2C team: Kai Tornow, Sven Schmitz and Christian Geml (from left to right) in the hydrogen and fuel cell lab at DHBW Mannheim

The EH2C team: Kai Tornow, Sven Schmitz and Christian Geml (from left to right)

While hydrogen’s deployment as an energy carrier is only in its infancy, this element already forms the backbone of many different industrial processes around the globe. In order to ensure hydrogen feedstock is handled as efficiently as possible, the ELCH electrochemical research cluster at DHBW Mannheim university is carrying out a pioneering joint project which is looking into hydrogen recycling by means of electrochemical compression. The focus of the EH2C project is on recycling hydrogen that accrues during the production of solar cells and other semiconductors. (more…)

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Fuel cells for long haul, batteries for cities

Fuel cells for long haul, batteries for cities

by | Jun 3, 2022 | Germany

TCO for 40-metric-ton long-range vehicles based on various studies

TCO for 40-metric-ton long-range vehicles based on various studies, © VDE/VDI study

According to European Union guidelines, carbon dioxide emissions from heavy-duty vehicles will need to be cut by 30 percent by the year 2030 in order to ensure emissions reductions are on track to meet the EU’s 2050 net-zero target. This would mean that around 200,000 emission-free trucks would have to be operating on Europe’s roads by 2030. That’s the finding of a recent study carried out by the association of German engineers VDI and the testing and certification institute VDE entitled “Sustainable commercial vehicles – a comparison of different technology pathways for carbon-neutral and carbon-free propulsion.” It found marked advantages for the use of fuel cell power systems for long-distance transportation using large commercial vehicles while battery-electric powertrains were seen as clearly beneficial for small commercial vehicles. (more…)

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News on the H2 regulations by the DVGW

News on the H2 regulations by the DVGW

by | Jun 3, 2022 | Germany

Connection for a mobile pig trap of the H2 pipeline in Falkenhagen, © Dr. Klaus Steiner

Connection for pig trap of the H2 pipeline, © Dr. Klaus Steiner

The tasks of grid operators include, on the one hand, the safety-oriented design of the gas infrastructure and, on the other hand, guaranteeing the proper functioning and operational reliability of the gas networks over their lifetime of use. Network operators ensure this by adhering to the requirements in the technical regulations of the DVGW, the German association for gas and water standards (Deutscher Verein des Gas- und Wasserfaches e.V.), for all gases in accordance with reference sheet (Arbeitsblatt) G 260. Which now also includes hydrogen. With the publishing of the new Energiewirtschaftsgesetz (German energy industry law, EnWG) in August 2021, the DVGW also became responsible for establishing the technical rules and requirements for the supply of hydrogen by pipeline to the general public. On the one hand, this is a leap of trust in the expertise of the gas industry and, on the other, an impetus to further develop the regulatory framework especially for hydrogen. (more…)

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