Biogas potential from residues of food processing factories
2016
Dubrovskis, V., Latvia Univ. of Agriculture, Jelgava (Latvia) | Plume, I., Latvia Univ. of Agriculture, Jelgava (Latvia)
To find out the biogas potential from potato crisps (PC) and salad beetroots (SB) a study was conducted using laboratory equipment. Sixteen bioreactors were filled with vegetable processing plant residues (SB) or PC factory wastes for anaerobic fermentation in batch mode for 43 days of fermentation at temperature of 38 ºC. Specific biogas volumes recovered were 1.611 l•gDOME-1 and 1.095 l•gDOME-1frompotato crisps and salad beetroots, respectively. Specific methane volumes were 0.960 lgDOME-1and 0.666 l gDOME-1obtained from potato crisps and salad beetroots, respectively. The study showed that from the PC production plant and vegetable processing plant residues can be successfully utilised for biogas production.
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