Category: Technology

Offshore wind energy: Danish/German co-operation

Offshore wind energy: Danish/German co-operation

Gepostet von | 12 Jul 2023 | , , | 0

Germany and Denmark have signed an agreement to jointly install at least 3 gigawatts (GW) of wind energy capacity by the early 2030s, including 2 GW for Germany. Previous plans by the northern European countries to build a joint electricity grid under the North Sea have so far always encountered financial and regulatory difficulties. Now the transmission system operators (TSOs) 50Hertz (Germany) and Energinet (Denmark) have agreed to share investments and future profits equally between Germany and Denmark, without giving financial details. Bornholm hub The Bornholm Energy Island is part of a comprehensive Danish plan to increase domestic offshore wind power production fivefold by 2030. The new wind farm on the Danish island...

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Scrubbers are not environmental angels

Scrubbers are not environmental angels

Gepostet von | 11 Jul 2023 | , , , | 0

Researchers at Chalmers University of Technology in Sweden have discovered that the wash water from exhaust gas cleaning systems (scrubbers) on ships is the main cause of environmental pollution in harbour areas. The environmentally hazardous metals and other toxic substances washed out of the exhaust gas are no longer released into the atmosphere, but into the water, including harbour waters. Emissions Each ship is responsible for various types of pollutant discharges. These include grey water from showers, black water from toilets, antifouling paints and exhaust gases from ship propulsion systems. Standards In order to meet the requirements in the European Sulphur Emission Control Areas (SECA) and the requirements introduced by the International Maritime Organisation (IMO) in 2020, it is necessary to...

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Firing start for the floating petrol stations

Firing start for the floating petrol stations

Gepostet von | 1 Jul 2023 | , , , | 0

The navy is to receive new fuel supply units On 7 July 2021, the Federal Office of Bundeswehr Equipment, Information Technology and In-Service Support (BAAINBw) awarded the contract for the design planning, construction and turnkey delivery of two naval fuel supply vessels to Lürssen Werft GmbH (now NVL B.V. & Co. KG). Today, 29 June 2023, the machines for the construction of the first of two new naval fuel supply vessels were symbolically started up in Papenburg. Under the leadership of NVL, the successors to the "Rhön" and "Spessart" will be built in cooperation with Meyer Werft, Papenburg. According to the press release, the platforms will be "built, commissioned and trialled [...] on...

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What's new from Lake Constance?

What's new from Lake Constance?

Gepostet von | 27 Jun 2023 | , , | 0

Rolls Royce rüstet auch die neue Bodenseefähre mit mtu-Gasmotoren aus Die frisch getaufte 82,5-Meter lange „Richmond“, gebaut für die Stadt Konstanz, ist jetzt zu Probefahrten auf dem Bodensee unterwegs. Mit zwei 8-Zylinder mtu-Gasmotoren der Baureihe 4000 von Rolls-Royce mit jeweils 746 Kilowatt Leistung werden Voith-Schneider-Propeller angetrieben. Der neue mtu-Antrieb soll leise, sauber und vibrationsarm sein.[ds_preview] Das Fährschiff „Richmond“ ist die erste europäische Binnenfähre, die mit reinen Gasmotoren ausgestattet ist. Sie wird Platz für 700 Passagiere und 64 PKW haben. Die anderen fünf Fähren der Stadtwerke Konstanz, die rund um die Uhr zwischen Meersburg und Konstanz pendeln, werden bisher von...

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Solar panels: recycling - now or later?

Solar panels: recycling - now or later?

Gepostet von | 15 Jun 2023 | , , | 0

These days, anyone who can - and gets a tradesman's appointment - buys a photovoltaic system for their roof, balcony or window frame, and certainly also for their boat, in order to "generate at least some electricity". But even a solar panel has an expiry date! This is not printed on the glass surface, but it happens. Either the panel loses performance, has a technical defect, is damaged by hail or other impact, or becomes obsolete due to new developments. The average lifespan of a solar panel is 20 to 25 years. Very few people think about that at the moment! Even if panels function efficiently for 40 years...

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