Anaerobic degradation of digestate based hydrothermal carbonization products in a continuous hybrid fixed bed anaerobic filter.

Anaerobiosis Biofuels Dietary Supplements Sewage
Anaerobic digestion Hydrochar Hydrothermal carbonization Sludge management Wastewater digestate

Journal

Bioresource technology
ISSN: 1873-2976
Titre abrégé: Bioresour Technol
Pays: England
ID NLM: 9889523

Informations de publication

Date de publication:
Jun 2021
Historique:
received: 27 01 2021
revised: 05 03 2021
accepted: 07 03 2021
pubmed: 20 3 2021
medline: 7 4 2021
entrez: 19 3 2021
Statut: ppublish

Résumé

This study investigates the suitability of continuous hybrid fixed bed anaerobic filter reactor for treating sewage and agro-industrial digestate hydrothermal carbonization (HTC) products; hydrochar and HTC liquor (HTCL). The reactor was operated for 300 days under mesophilic conditions at different organic loading rates (OLR); maximum OLRs of 7.4 and 10 gCOD/L/d were reached while treating HTC liquor and slurry, respectively. 15 g/L hydrochar were added to the reactor as a supplement while treating HTCL solely thus increasing the biogas production up to 153%. The reactor was fed with HTCL and hydrochar with an increasing mixing ratio, and the co-digestion impact was dependent on hydrochar concentrations. The results of the study indicate that the hybrid fixed bed anaerobic filter reactor is a promising anaerobic digestion configuration for treating HTCL and overcoming the HTC upscaling challenges, and the suitability of digestate hydrochar utilization as supplement material for anaerobic digestion.

Identifiants

DOI: 10.1016/j.biortech.2021.124971 PMID: 33740584
pubmed: 33740584
pii: S0960-8524(21)00310-2
doi: 10.1016/j.biortech.2021.124971
pii:
doi:

Substances chimiques

Biofuels 0
Sewage 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

124971

Informations de copyright

Copyright © 2021 Elsevier Ltd. All rights reserved.

Auteurs

Mostafa Ahmed (M)

Department of Civil, Environmental and Mechanical Engineering, University of Trento, Italy; Public Works Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt. Electronic address: mostafa.ahmed@studenti.unitn.it.

Fabio Sartori (F)

Department of Civil, Environmental and Mechanical Engineering, University of Trento, Italy.

Fabio Merzari (F)

Carborem SRL, Lavis TN, Italy.

Luca Fiori (L)

Department of Civil, Environmental and Mechanical Engineering, University of Trento, Italy.

Sherien Elagroudy (S)

Public Works Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt; Egypt Solid Waste Management Center of Excellence, Ain Shams University, Cairo, Egypt.

Mohamed Shaaban Negm (MS)

Public Works Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt.

Gianni Andreottola (G)

Department of Civil, Environmental and Mechanical Engineering, University of Trento, Italy.

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Classifications MeSH

questionsmedicales.fr › Métabolisme › Anaérobiose › Anaerobic degradation of digestate based...
questionsmedicales.fr › Environnement et santé publique › Environnement › Ressources de production d'énergie › Énergie renouvelable › Biocarburants › Anaerobic degradation of digestate based...
questionsmedicales.fr › Aliments et boissons › Aliments › Compléments alimentaires › Anaerobic degradation of digestate based...
questionsmedicales.fr › Mélanges complexes › Eaux d'égout › Anaerobic degradation of digestate based...