Effect of Solubilization on Acidification, Anaerobic Biodegradability, and Economic Feasibility via Ultrasonic–Zerovalent Iron–Acidic pH Pretreatment of Sludge
Abstract:The
present study aimed to evaluate the effect of solubilization
obtained via ultrasonic (US) homogenization, combined ultrasonic and
zerovalent iron (UZ), and combined ultrasonic and zerovalent iron
at acidic pH (UZP) on acidification, biodegradability, and biomethanation.
The outcome of the study revealed that obtaining solubilization over
20% via UZ was not possible. Zerovalent iron needs acidic pH to obtain
solubilization in excess of 20%. Therefore, 25, 30, and 35% solubilization
obtained via US and UZP a… Show more
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