Co-hydrothermal carbonization of swine manure and lignocellulosic waste A new strategy for the integral valorization of biomass wastes

Co-hydrothermal carbonization of swine manure and lignocellulosic waste : A new strategy for the integral valorization of biomass wastes

Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.

Détails bibliographiques
Publié dans:Waste management (New York, N.Y.). - 1999. - 169(2023) vom: 01. Sept., Seite 267-275
Auteur principal: Ipiales, R P (Auteur)
Autres auteurs: Mohedano, A F, Diaz-Portuondo, E, Diaz, E, de la Rubia, M A
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:Waste management (New York, N.Y.)
Sujets:Journal Article Anaerobic digestion Co-hydrothermal carbonization Energy recovery Garden and park waste Process water valorization Swine manure Manure lignocellulose 11132-73-3 plus... Carbon 7440-44-0 Methane OP0UW79H66 Water 059QF0KO0R
Description
Résumé:Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.
Co-hydrothermal carbonization (co-HTC) is a promising strategy to improve hydrothermal carbonization (HTC) of low-quality wastes. HTC of swine manure (SM), with high N (2.9 wt%), S (0.7 wt%) and ash (22.6 wt%) contents, as well as low C (35.6 wt%) and higher heating value (HHV; 14.3 MJ kg-1), resulted in a hydrochar with unsuitable characteristics as a solid fuel. Co-HTC of SM and garden and park waste (GPW) improved hydrochar properties (C content (43 - 48 wt%) and HHV (18 - 20 MJ kg-1), and decreased N (∼2 wt%), S (<0.3 wt%) and ash (<15 wt%) content. A high GPW ratio (>50 wt%) during co-HTC resulted in a hydrochar similar to that obtained from GPW. The co-HTC increased nutrient migration to the process water, which allowed the precipitation of salt with high P (7.8 wt%) and negligible heavy metal content. Anaerobic digestion of co-HTC process water allowed high organic matter removal (up to 65%), and methane production (315 - 325 mL CH4 g-1CODadded). Gross energy recovery by HTC and anaerobic digestion was 5 - 6-fold higher than anaerobic treatment of feedstocks. Therefore, co-HTC of SM and GPW with a ratio > 50% GPW proved to be a suitable approach to valorize and manage SM and obtain value-added products (hydrochar, mineral fertilizer and methane)
Description:Date Completed 08.09.2023
Date Revised 08.09.2023
published: Print-Electronic
Citation Status MEDLINE
ISSN:1879-2456
DOI:10.1016/j.wasman.2023.07.018