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Entertainment Flying without conscience: How much future does synthetic kerosene have?

22:01  27 october  2021
22:01  27 october  2021 Source:   ksta.de

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The term "aircraft" managed in German-speaking Switzerland 2019 at the word of the year. But people want to travel. How can an ecological life connect with it? At the car, the battery electric drive currently seems to be the best solution. Can one also fly with the battery from A to B? Some hope for the electric air taxi. Pioneers in this are the Munich Tüftler of Lilium. Whereas the LILIUMJET called a flight object is to carry with 36 electric motors fed from powerful batteries persons. Fern trendy music does not seem to be.

  Fliegen ohne Gewissensbisse: Wie viel Zukunft hat synthetisches Kerosin? © DPA

The Düsseldorf Michael Schwers, for example, has already set itself the task of providing the state capital around a charging infrastructure. But there are skeptics. "For the smallest stretches, the flaps like to fly over the Atlantic is simply not possible," says Manfred Aigner, Professor and Director of the Combustion Technology Institute at the DLR. His vision for flying the future is CO2 -neutral kerosene. There are two ways. "On the one hand, you can win the fuel from biomass," says Aigner in conversation with the "Cologne City Anzeiger". But there was always the BioSprit in the competition for food production. But this step sees Aigner overcome today. "There is biomass that is almost left. Every year, approximately ten million tonnes of straw are disposed of in Germany. In whose rotting, carbon dioxide, but completely unused, "says Aigner. Since straw is hardly used as a litter, it is practically garbage. This is similar with forest waste or sewage sludge. The second way is for him in the production of eco-kerosene from electricity, but it has to be recovered from wind and sun.

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Germany full of wind turbines and solar parks for long-distance travel so? For Aigner it is clear that Germany is "not self-employed with regenerative energy anyway". "But the necessary industry can also be won in deserts, biomass can even come out of the seas," says Aigner. Then the energy source of the future would come by boat from the equator to Germany. It is not different with today's oil yes either.

But can you even fly with eco-kerosene? "Today, aircraft may fly to 50 percent with this new fuel, we tried it with an Airbus A320," says Aigner. Also 100 percent are technically possible, only not allowed because very old machines do not suit it. Measurements for real flights have shown that the new fuel even leaves less particulate matter.

But is the eco-kerosene also affordable? Currently it costs the fivefold of flightenzenzen. But it is created only for research purposes. "So far, nobody has built a factory. But I am optimistic that over time, only 30 to 50 percent more than oil kerosene will cost. "A share of 20 percent eco-fuel for aircraft until 2030 holds Aigner for" technically ambitious, but feasible ". However, the framework conditions for this must first create politics.

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usr: 1
This is interesting!