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Obróbka ultradźwiękowa produktów ubocznych powstających podczas mielenia na sucho
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ISBN10: 6209951090
ISBN13: 9786209951091
Publisher: Wydawnictwo Nasza Wiedza
Published: May 8 2026
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786209951091
Publisher: Wydawnictwo Nasza Wiedza
Published: May 8 2026
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Polish
W niniejszym badaniu oceniono zmianę wielkości cząstek produktów ubocznych powstających podczas suchego mielenia kukurydzy przeznaczonej do produkcji etanolu poprzez zastosowanie energii ultradźwiękowej w celu zwiększenia produkcji biogazu w procesie fermentacji beztlenowej tych produktów, a mianowicie: suszonego ziarna destylacyjnego z substancjami rozpuszczalnymi (DDGS), substancji stalych, rzadkiej pofermentacji oraz syropu kukurydzianego. Próbki produktów ubocznych poddano dzialaniu różnych warunków ultradźwiękowych i porównano z próbkami niepoddanymi dzialaniu ultradźwięków (próbka kontrolna). Amplituda ultradźwięków wahala się od 52,8 mpp do 160 mpp, a czas sonikacji od 10 do 50 s. Próbki scharakteryzowano za pomocą skaningowego mikroskopu elektronowego i mikroskopu optycznego (SEM, OM) oraz analizy rozkladu cząstek (PDA). Stwierdzono, że w przypadku zawiesin stalych/cieklych (DDGS, substancje stale) nastąpil znaczny spadek wielkości cząstek, co zwiększylo stosunek powierzchni do objętości, co może poprawic wydajnośc biogazu podczas fermentacji beztlenowej tych materialów. W przypadku rzadkiej wódki destylacyjnej i syropu kukurydzianego wyniki byly zaskakujące, ponieważ zaobserwowano wzrost wielkości cząstek.
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