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Odpady rolnicze: kolby kukurydzy - potencjalne źródlo krzemionki
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ISBN10: 6209304435
ISBN13: 9786209304439
Publisher: Wydawnictwo Nasza Wiedza
Published: Nov 30 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786209304439
Publisher: Wydawnictwo Nasza Wiedza
Published: Nov 30 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Polish
Kukurydza jest najczęściej uprawianą rośliną na świecie. Ze 100 kg ziarna kukurydzy uzyskuje się okolo 18 kg kolb. Kolby kukurydzy, które są produktem ubocznym ziarna kukurydzy, są zazwyczaj wyrzucane jako odpady lub spalane jako paliwo niskiej jakości. Powoduje to poważny problem zarówno w zakresie przechowywania, jak i utylizacji. Niniejsza książka przedstawia prostą technologię produkcji krzemianu sodu i krzemionki strącanej z wykorzystaniem odpadów rolniczych. Popiól z kolb kukurydzy (CCA) zostal wyprodukowany poprzez namoczenie kolb kukurydzy w trzech różnych kwasach organicznych, tj. kwasie cytrynowym, kwasie octowym i kwasie szczawiowym. Następnie CCA zostal zmieszany z roztworem alkaliów w celu wytworzenia roztworu krzemianu sodu, a krzemionka strącana zostala wyprodukowana poprzez neutralizację roztworu krzemianu sodu. Określono również zawartośc tlenku sodu i krzemionki w roztworze krzemianu sodu. Wyekstrahowane cząsteczki osadzonej krzemionki scharakteryzowano za pomocą techniki transformacji Fouriera w podczerwieni (FTIR), dyfrakcji rentgenowskiej i mikroskopii optycznej. Analiza przedstawiona w książce powinna byc szczególnie przydatna dla specjalistów z dziedziny inżynierii chemicznej i materialoznawstwa.
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