Effect of inoculum on the anaerobic digestion of food waste accounting for the concentration of trace elements.
作者： Brayan Alexis Parra-Orobio , Andrés Donoso-Bravo , Juan Camilo Ruiz-Sánchez , Karen Jimena Valencia-Molina , Patricia Torres-Lozada
DOI: 10.1016/J.WASMAN.2017.09.040
关键词: Hydrolysis 、 Hydrolysis constant 、 Anaerobic digestion 、 Environmental chemistry 、 Food waste 、 Chemistry 、 Sewage treatment 、 Bioreactor 、 Wastewater 、 Methane
摘要: The production of renewable energy in the form methane from anaerobic digestion (AD) food waste (FW) varies depending on factors such as quantity and quality inoculum. This research evaluated influence trace elements (Ca, K, Fe, Zn, Al, Mg, Co, Ni, Mo) present inoculum different sources (wastewater treatment plants (WWTPs): 2 agro-industrial WWTPs 1 municipal WWTP) AD FW. study found that source determines content macronutrients elements, which can alter requirements process therefore affect production. obtained contain potentially inhibitory concentrations Zn Al negatively ( 7 days). It was also high Ni (35.2 mg kg-1) Mo (15.4 increase (140.7 mL CH4·gVS-1) hydrolysis constant (>0.18d-1) addition to presenting short lag-phase (<1 day) waste.
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