Production and characterization of a new quality pyrolysis oil, char and syngas from digestate – Introducing the thermo-catalytic reforming process

Abstract

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At-line characterisation of compounds evolved during biomass pyrolysis by solid-phase microextraction SPME-GC-MS

“…The digestate sample showed a liquid composition and liquid yield in accordance with that obtained by Neumann and coworkers [25] processing the same feedstock on a 2 kg/h laboratory scale thermo-catalytic reforming (TCR®) reactor [30].…”

“…A pelletized solid digestate deriving from an anaerobic digestion plant operated by Neue Energie Steinfurt GmbH, Germany (NESt) using a mixture of maize silage (62%), cattle slurry (17%), pig slurry (17%) and cereals (4%) was used as a feedstock [25].…”

New opportunities for agricultural digestate valorization: current situation and perspectives

“…Pedrazzi et al (2015) have shown that ashes create agglomerates, which obstruct the brazier holes and partially choke the combustion after few minutes 107 . Pyrolysis process is another promising technology that can make use of solid digestate 119,122 . Pyrolysis is an endothermic thermochemical process which can recover energy from organics, regardless whether the organic matter is biodegradable or not 123 .…”

Characterization of biochars produced from residues from biogas production

“…Apart from contributing to carbon immobilization and higher nutrient stability, the pyrolysis of RBP to produce biochar can also allow us to recover energy in a double way in the form of biogas and biofuel at different stages of waste material processing. Therefore, the production of RBPderived biochar is an interesting solution, which may lead to carbon material with better properties than the feedstocks and it also may be useful as an addition to soils [10,11].…”