In a comparative analysis between CCA and SSA compositions, the following observations can be drawn: Si content in CCA is quite significant compared with SSA, being 10 times higher for A quality, whereas it is lacking in SSA at B quality; Only CCA at B quality has a small rate of Al and Fe; Ca content is around six times higher in SSA than in CCA; K quantities are very high in all ashes, around 21–23% in CCA and around 23–25% in SSA; t
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Corn Cob Ash versus Sunflower Stalk Ash, Two Sustainable Raw Materials in an Analysis of Their Effects on the Concrete Properties.
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