Horse manure as resource for biogas and nanolignocellulosic fibres

Kathrin Weiland, Konstantin Alge, Andreas Mautner, Alexander Bauer, Alexander Bismarck (Korresp. Autor*in)

Veröffentlichungen: Beitrag in FachzeitschriftArtikelPeer Reviewed

Abstract

Nanofibrillated cellulose (NFC) has key applications in composites, water filters and as emulsifiers. The affinity of NFC to water is a challenge, as it negatively influences its integrity. Lignin, a major component of plant biomass, is a natural hydrophobiser. Anaerobic digestion (AD) of biomass to produce biomethane allows to up-concentrate lignin in the fermentation residue containing lignocellulosic fibres. Horse manure was used as substrate for biogas production from which nanolignocellulose fibres (LCNF) were extracted. A biogas yield of 207 LN kgVS−1 with a methane concentration of 65 % was achieved. From the fermentation residue LCNFs, in yields of up to 41 %, with lignin contents between 23 and 29 wt% depending on fermentation time were obtained. Nanopapers produced from LCNFs possessed tensile strengths and moduli of 45 to 91 MPa and 7 to 8 GPa, respectively. The increased lignin content was responsible for decreased water absorption capacity of nanopapers.

OriginalspracheEnglisch
Aufsatznummer128688
FachzeitschriftBioresource Technology
Jahrgang372
DOIs
PublikationsstatusVeröffentlicht - März 2023

ÖFOS 2012

  • 209006 Industrielle Biotechnologie
  • 205019 Materialwissenschaften

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