Comment on “Synergistic co-digestion of solid-organic-waste and municipal-sewage-sludge: 1 plus 1 equals more than 2 in terms of biogas production and solids reduction” [Water Research 87, 416–423]

Co-digestion of organic waste and sewage sludge enhances biogas production and reduces the mass of remaining solids. This phenomenon of enhanced organic matter decomposition by adding labile substrate is known from other habitats like soils and sediments where it is called priming effect. It is thus...

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Veröffentlicht in:Water research (Oxford) 2016-05, Vol.95, p.392-393
Hauptverfasser: Insam, Heribert, Markt, Rudolf
Format: Artikel
Sprache:eng
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Zusammenfassung:Co-digestion of organic waste and sewage sludge enhances biogas production and reduces the mass of remaining solids. This phenomenon of enhanced organic matter decomposition by adding labile substrate is known from other habitats like soils and sediments where it is called priming effect. It is thus suggested to adopt the term priming effect also in environmental biotechnology, and in particular for biomethanisation of wastewater sludges by the addition of energy-rich co-substrates. •Co-digestion of organic waste and sewage sludge enhances biogas production.•Co-digestion of organic waste and sewage sludge reduces remaining solids.•Priming effect is enhanced organic matter decomposition by adding labile substrate.•Priming effect is known from other habitats like soils and sediments.•The term Priming effect to be adopted for methanisation in WWTP using co-substrates.
ISSN:0043-1354
1879-2448
DOI:10.1016/j.watres.2016.02.053