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Integration of Catalytic Biofuel Production and Anaerobic Digestion for Biogas Production

Hurst, George, Peeters, Marloes and Tedesco, Silvia ORCID logoORCID: https://orcid.org/0000-0003-2447-3673 (2021) Integration of Catalytic Biofuel Production and Anaerobic Digestion for Biogas Production. In: 2nd ICESF 2020, 10 September 2020 - 11 September 2020.

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Abstract

The drive towards a low carbon economy will lead to an increase in new lignocellulosic biorefinery activities. Integration of biorefinery waste products into established bioenergy technologies could lead to synergies for increased bioenergy production. In this study, we show that solid residue from the acid hydrolysis production of levulinic acid, has hydrochar properties and can be utilised as an Anaerobic Digestion (AD) supplement. The addition of 6 g/L solid residue to the AD of ammonia inhibited chicken manure improved methane yields by +14.1%. The co-digestion of biorefinery waste solids and manures could be a promising solution for improving biogas production from animal manures, sustainable waste management method and possible form of carbon sequestration.

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