Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Towards the Anchovy Biorefinery: Biogas Production from Anchovy Processing Waste After Fish Oil Extraction with Biobased Limonene

Emilia Paone
* ,
Filippo Fazzino
,
Daniela Maria Pizzone
ORCID logo ,
Antonino Scurria
ORCID logo ,
Mario Pagliaro
ORCID logo ,
Rosaria Ciriminna
,
Paolo Salvatore Calabrò
ORCID logo
Version 1 : Received: 3 February 2021 / Approved: 4 February 2021 / Online: 4 February 2021 (15:03:46 CET)

A peer-reviewed article of this Preprint also exists.

Paone, E.; Fazzino, F.; Pizzone, D.M.; Scurria, A.; Pagliaro, M.; Ciriminna, R.; Calabrò, P.S. Towards the Anchovy Biorefinery: Biogas Production from Anchovy Processing Waste after Fish Oil Extraction with Biobased Limonene. Sustainability 2021, 13, 2428. Paone, E.; Fazzino, F.; Pizzone, D.M.; Scurria, A.; Pagliaro, M.; Ciriminna, R.; Calabrò, P.S. Towards the Anchovy Biorefinery: Biogas Production from Anchovy Processing Waste after Fish Oil Extraction with Biobased Limonene. Sustainability 2021, 13, 2428.

Abstract

Anchovies are amid the largest fish catch worldwide. The anchovy fillet industry generates a huge amount of biowaste (e.g. fish heads, bones, tails) that can be used for the extraction of several potentially valuable bioproducts including omega-3 lipids. Following the extraction of valued fish oil rich in omega-3, vitamin D3 and zeaxanthin from anchovy fillet leftovers using biobased limonene in a fully circular process, the solid residue was used as starting substrate for the production of biogas by anaerobic digestion. The results first reported in this study demonstrate good potential energy recovery of the anchovy sludge of about 280 mLCH4∙gVS-1. Due to unbalanced C/N ratio typical of marine biowaste, co-digestion with a carbon rich substrate is recommended.

Keywords

Anaerobic digestion; circular economy; biogas; fish waste; anchovy; limonene

Subject

Chemistry and Materials Science, Analytical Chemistry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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