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Reinigung von Biodiesel B5 mit thermisch aktivierter Bauxit
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ISBN10: 6209114415
ISBN13: 9786209114410
Publisher: Verlag Unser Wissen
Published: Oct 16 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: German
ISBN13: 9786209114410
Publisher: Verlag Unser Wissen
Published: Oct 16 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: German
Im Laufe der Jahre wurde die teilweise Ersetzung von Dieselkraftstoff durch Biodiesel aus lipidhaltigen Quellen, der weniger umweltschädlich ist, Realität. Allerdings bringt dieser Zusatz von Biodiesel technologische Probleme mit sich, die bei der ausschlie lichen Verwendung von Diesel aus Erdöl nicht auftraten. Unter den verschiedenen Rückständen sind insbesondere die Verbindungen aus der Veresterungsreaktion wie Mono-, Di- und auch einige nicht reagierte Triacylglyceride hervorzuheben. Andere Verbindungen wie Sterylglykoside, die in Sojaöl enthalten sind und in Lipidlösungen löslich sind, werden durch die Veresterung der Fettsäure ihrer Kette unlöslich, was zu einer Ausfällung in Kraftstofftanks führt. Das Vorhandensein dieser unerwünschten Bestandteile im Kraftstoff führt zu einem Anstieg der Feuchtigkeit und zur Vermehrung von Mikroorganismen, die schlie lich Biofilme bilden und die Reinigung von Lagertanks erschweren sowie die Verstopfung von Filtern in Fahrzeugen verursachen, die diesen Kraftstofftyp verwenden. In dieser Arbeit wird eine Perkolationsbehandlung in einem Festbett aus thermisch aktiviertem Bauxit zur Entfernung dieser Gesamtverunreinigungen vorgestellt.
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