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How can pretreatments overcome the limitations of the main solid feedstock anaerobic digestion?

Abstract : Pretreatment technologies for improving the anaerobic digestion of solid wastes have been intensively investigated during the last decade. Manure, sludge and the organic fraction of municipal solid wastes (OFMSW) are among the most studied anaerobic digestion solid feedstock. Indeed, there has been an exponential increase in the number of publications including the pretreatment of solid feedstock like sludge, manure and OFMSW, but also lignocellulosic biomass and algae. Clearly the most appropriate pretreatment depends on the properties of each feedstock. In the case of sludge, pretreatments are intended to release intracellular compounds, being biological, thermal and mechanical technologies already applied at full-scale. Lignocellulosic biomass requires delignification and cellulose solubilisation, achieved through biological, chemical and /or mechanical methods. Manure pretreatments are generally biological (i.e. composting) or mechanical. As far as animal by-products are concerned, thermal pretreatments are compulsory to ensure sanitation, but mechanical ones are also applied.
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https://hal.inrae.fr/hal-02944587
Contributor : Hélène Carrere <>
Submitted on : Monday, September 21, 2020 - 3:25:06 PM
Last modification on : Thursday, November 26, 2020 - 11:20:46 AM

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  • HAL Id : hal-02944587, version 1

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Hélène Carrère, Audrey Battimelli, Ivet Ferrer. How can pretreatments overcome the limitations of the main solid feedstock anaerobic digestion?. 16th IWA world conference on anaerobic digestion, Jun 2019, Delft, Netherlands. ⟨hal-02944587⟩

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