The influence of iron concentration on biohydrogen production from organic waste via anaerobic fermentation

Different micronutrients are essential for bacterial fermentative metabolism. In particular, some metallic ions, like iron, are able to affect the biological H₂production. In this study, batch tests were carried out in stirred reactors to investigate the effects of Fe²⁺ concentration on fermentative...

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Veröffentlicht in:Environmental technology. - 1993. - 35(2014), 21-24 vom: 04. Nov., Seite 3000-10
1. Verfasser: Boni, M R (VerfasserIn)
Weitere Verfasser: Sbaffoni, S, Tuccinardi, L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article anaerobic digestion biohydrogen iron organic waste waste treatment Fatty Acids, Volatile Solid Waste Carbon Dioxide 142M471B3J mehr... Hydrogen 7YNJ3PO35Z Iron E1UOL152H7 Methane OP0UW79H66
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520 |a Different micronutrients are essential for bacterial fermentative metabolism. In particular, some metallic ions, like iron, are able to affect the biological H₂production. In this study, batch tests were carried out in stirred reactors to investigate the effects of Fe²⁺ concentration on fermentative H₂production from two different organic fractions of waste: source-separated organic waste (OW) from a composting plant including organic fraction of municipal solid waste and food waste (FW) from a refectory. Iron supplementation at 1000 mg/L caused twofold increment in the cumulative H₂production from OW (922 mL) compared with the control (without iron doping). The highest H₂production (1736 mL) from FW occurred when Fe²⁺ concentration was equal to 50 mg/L. In addition, the process production from OW was modelled through the modified Gompertz equation. For FW, a translated Gompertz equation was used by the authors, because the initial lag-time for H₂production from FW was almost negligible 
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700 1 |a Sbaffoni, S  |e verfasserin  |4 aut 
700 1 |a Tuccinardi, L  |e verfasserin  |4 aut 
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