2016
DOI: 10.19084/rca15087
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Biogas production by the anaerobic digestion of whey

Abstract: A B S T R A C TDigestion is an attractive alternative in the treatment of waste generated in the agricultural industry, as it treats waste and also produces biogas that can be used in power generation, resulting in both environmental and economic benefits. This study presents the results of anaerobic digestion of cheese whey using swine wastewater as inoculum. Digestion was performed using sequencing batch bioreactors with a total volume of 2.350 mL. In order to evaluate digester efficiency, biogas was collect… Show more

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Cited by 20 publications
(8 citation statements)
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“…The gasometer consists of a PVC tube of 75 mm in diameter and 100 mm in length, added to a PVC tube of 100 mm in diameters and 100 mm of length and filled with water in order to form a water seal, thus avoiding biogas loss. [ 19 ] The gasometer has two outlets: one outlet connected to the digestion chamber by a hose and the second outlet works as a biogas collection valve. The gasometer has 4.4 L net volume and the two outputs were controlled by Luer Lock 3 Way Stopcock used to facilitate gas collection using a gastight syringe.…”
Section: Methodsmentioning
confidence: 99%
“…The gasometer consists of a PVC tube of 75 mm in diameter and 100 mm in length, added to a PVC tube of 100 mm in diameters and 100 mm of length and filled with water in order to form a water seal, thus avoiding biogas loss. [ 19 ] The gasometer has two outlets: one outlet connected to the digestion chamber by a hose and the second outlet works as a biogas collection valve. The gasometer has 4.4 L net volume and the two outputs were controlled by Luer Lock 3 Way Stopcock used to facilitate gas collection using a gastight syringe.…”
Section: Methodsmentioning
confidence: 99%
“…Because of its high organic and low buffer capacity, anaerobic digestion of whey leads to prompt acid evolution and low biogas production, so to increase the productivity whey should be mixed with other types of wastes and/or manure ( 6 ). Antonelli et al ( 19 ) reported the tremendous energetic potential of biogas produced when cheese whey is digested using swine wastewater as inoculum. They noted 53.11% reduction of volatile solids and biogas yield of 270 L with 63% methane during digestion at 32 °C, and 45.76% volatile solid reduction and biogas yield of 171 L with 61% methane at 26 °C.…”
Section: Sustainable Utilization Of Whey and Its Componentsmentioning
confidence: 99%
“…Because of its high organic and low buffer capacity, anaerobic digestion of whey leads to prompt acid evolution and low biogas production, so to increase the productivity whey should be mixed with other types of wastes and/or manure (6). Antonelli et al (19) reported the tremendous energetic potential of biogas produced when cheese whey is digested using swine wastewater as inoculum. They noted 53.11 % reduction in volatile solids and 270 L biogas yield with 63 % methane content during digestion at 32 °C, and 45.76 % and 171 L with 61 % methane content at 26 °C, respectively.…”
Section: Biogasmentioning
confidence: 99%