Effect of inoculum on the anaerobic digestion of food waste accounting for the concentration of trace elements

Copyright © 2017 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 71(2018) vom: 15. Jan., Seite 342-349
1. Verfasser: Parra-Orobio, Brayan Alexis (VerfasserIn)
Weitere Verfasser: Donoso-Bravo, Andrés, Ruiz-Sánchez, Juan Camilo, Valencia-Molina, Karen Jimena, Torres-Lozada, Patricia
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Food waste Hydrolysis Inoculum Methane Trace elements Trace Elements Waste Water OP0UW79H66
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245 1 0 |a Effect of inoculum on the anaerobic digestion of food waste accounting for the concentration of trace elements 
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520 |a The production of renewable energy in the form of methane from the anaerobic digestion (AD) of food waste (FW) varies depending on factors such as the quantity and quality of the inoculum. This research evaluated the influence of trace elements (Ca, K, Fe, Zn, Al, Mg, Co, Ni, and Mo) present in inoculum from different sources (wastewater treatment plants (WWTPs): 2 agro-industrial WWTPs and 1 municipal WWTP) on the AD of FW. This study found that the source of the inoculum determines the content of macronutrients and trace elements, which can alter the requirements of the AD process and therefore affect methane production. The inoculum obtained from municipal WWTPs contain potentially inhibitory concentrations of Zn and Al that negatively affect methane production (<70 mL CH4·gVS-1), the hydrolysis constant (<0.19 d-1), and the lag-phase (>7 days). It was also found that high concentrations of trace elements such as Ni (35.2 mg kg-1) and Mo (15.4 mg kg-1) in the inoculum increase methane production (140.7 mL CH4·gVS-1) and hydrolysis constant (>0.18d-1) in addition to presenting short lag-phase (<1 day) in the AD of food waste 
650 4 |a Journal Article 
650 4 |a Food waste 
650 4 |a Hydrolysis 
650 4 |a Inoculum 
650 4 |a Methane 
650 4 |a Trace elements 
650 7 |a Trace Elements  |2 NLM 
650 7 |a Waste Water  |2 NLM 
650 7 |a Methane  |2 NLM 
650 7 |a OP0UW79H66  |2 NLM 
700 1 |a Donoso-Bravo, Andrés  |e verfasserin  |4 aut 
700 1 |a Ruiz-Sánchez, Juan Camilo  |e verfasserin  |4 aut 
700 1 |a Valencia-Molina, Karen Jimena  |e verfasserin  |4 aut 
700 1 |a Torres-Lozada, Patricia  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Waste management (New York, N.Y.)  |d 1999  |g 71(2018) vom: 15. Jan., Seite 342-349  |w (DE-627)NLM098197061  |x 1879-2456  |7 nnns 
773 1 8 |g volume:71  |g year:2018  |g day:15  |g month:01  |g pages:342-349 
856 4 0 |u http://dx.doi.org/10.1016/j.wasman.2017.09.040  |3 Volltext 
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