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The objective of this study was to evaluate the effects of sonication on the biogas production dynamics of sugarcane straw and vinasse in an anaerobic digestion. Two different ultrasound pretreatments were evaluated namely 180W of ultrasonic power irradiated at 37kHz for 30min (PBU) and 800W of ultrasonic power irradiated at 19kHz for 15min (PSU). Significant differences were observed in the biogas...
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