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Ultraschallbehandlung von Nebenprodukten aus der Trockenmahlung
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ISBN10: 6209940854
ISBN13: 9786209940859
Publisher: Verlag Unser Wissen
Published: May 8 2026
Pages: 60
Weight: 0.21
Height: 0.14 Width: 6.00 Depth: 9.00
Language: German
ISBN13: 9786209940859
Publisher: Verlag Unser Wissen
Published: May 8 2026
Pages: 60
Weight: 0.21
Height: 0.14 Width: 6.00 Depth: 9.00
Language: German
In dieser Studie wird die Veränderung der Partikelgrö e von Nebenprodukten aus der Trockenvermahlung von Mais zur Ethanolherstellung untersucht, wobei Ultraschallenergie eingesetzt wird, um die Biogasproduktion aus der anaeroben Vergärung dieser Nebenprodukte zu steigern. Dabei handelt es sich um getrocknetes Destillationsgetreide mit Löslichen (DDGS), Feststoffe, dünne Destillationsrückstände und Maissirup. Die Nebenproduktproben wurden unter verschiedenen Ultraschallbedingungen behandelt und mit unbehandelten Proben (Kontrollprobe) verglichen. Die Ultraschallamplitude wurde von 52,8 mpp bis 160 mpp variiert, und die Beschallungszeit wurde von 10 bis 50 s variiert. Die Proben wurden mittels Rasterelektronen- und Lichtmikroskopie (SEM, OM) sowie Partikelverteilungsanalyse (PDA) charakterisiert. Es zeigte sich, dass bei Feststoff-Flüssigkeits-Suspensionen (DDGS, Feststoffe) eine signifikante Verringerung der Partikelgrö e auftrat, wodurch sich das Verhältnis von Oberfläche zu Volumen erhöhte, was möglicherweise die Biogasausbeute während der anaeroben Vergärung dieser Materialien steigert. Im Fall von dünner Destillationsrückstand und Maissirup waren die Ergebnisse insofern überraschend, als eine Zunahme der Partikelgrö e zu beobachten war.
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