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Title: Co-digestion of cattle manure with food waste and sludge to increase biogas production

Abstract

Highlights: Black-Right-Pointing-Pointer Small increase in methane production was observed applying sonication pretreatment. Black-Right-Pointing-Pointer Biogas productions between 720 and 1100 mL/Lreactor day were achieved. Black-Right-Pointing-Pointer Volatile solids removal efficiencies ranged between 53% and 60%. Black-Right-Pointing-Pointer Lower methane yields were obtained when operating under thermophilic conditions. Black-Right-Pointing-Pointer Optimum OLR in lab-scale CSTR was 1.2-1.3 g VS/L day (HRT: 20 days). - Abstract: Anaerobic co-digestion strategies are needed to enhance biogas production, especially when treating certain residues such as cattle/pig manure. This paper presents a study of co-digestion of cattle manure with food waste and sewage sludge. With the aim of maximising biogas yields, a series of experiments were carried out under mesophilic and thermophilic conditions using continuously stirred-tank reactors, operating at different hydraulic residence times. Pretreatment with ultrasound was also applied to compare the results with those obtained with non-pretreated waste. Specific methane production decreases when increasing the OLR and decreasing HRT. The maximum value obtained was 603 LCH{sub 4}/kg VS{sub feed} for the co-digestion of a mixture of 70% manure, 20% food waste and 10% sewage sludge (total solid concentration around 4%) at 36 Degree-Sign C, for an OLR of 1.2 g VS/L day. Increasing the OLR to 1.5 g VS/Lmore » day led to a decrease of around 20-28% in SMP. Lower methane yields were obtained when operating at 55 Degree-Sign C. The increase in methane production when applying ultrasound to the feed mixtures does not compensate for the energy spent in this pretreatment.« less

Authors:
 [1]; ; ;  [1]; ;  [2]
  1. Department of Chemical Engineering and Environmental Technology, University Institute of Technology of Asturias, Campus of Gijon, University of Oviedo, 33203 Gijon (Spain)
  2. Zero Emissions Technology, 41018 Seville (Spain)
Publication Date:
OSTI Identifier:
22086558
Resource Type:
Journal Article
Journal Name:
Waste Management
Additional Journal Information:
Journal Volume: 32; Journal Issue: 10; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0956-053X
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; BIOGAS PROCESS; CATTLE; DIGESTION; MANURES; METHANE; SEWAGE SLUDGE; SWINE; THERMOPHILIC CONDITIONS; VOLATILITY

Citation Formats

Maranon, E, Castrillon, L, Quiroga, G, Fernandez-Nava, Y, Gomez, L, and Garcia, M M. Co-digestion of cattle manure with food waste and sludge to increase biogas production. United States: N. p., 2012. Web. doi:10.1016/J.WASMAN.2012.05.033.
Maranon, E, Castrillon, L, Quiroga, G, Fernandez-Nava, Y, Gomez, L, & Garcia, M M. Co-digestion of cattle manure with food waste and sludge to increase biogas production. United States. https://doi.org/10.1016/J.WASMAN.2012.05.033
Maranon, E, Castrillon, L, Quiroga, G, Fernandez-Nava, Y, Gomez, L, and Garcia, M M. 2012. "Co-digestion of cattle manure with food waste and sludge to increase biogas production". United States. https://doi.org/10.1016/J.WASMAN.2012.05.033.
@article{osti_22086558,
title = {Co-digestion of cattle manure with food waste and sludge to increase biogas production},
author = {Maranon, E and Castrillon, L and Quiroga, G and Fernandez-Nava, Y and Gomez, L and Garcia, M M},
abstractNote = {Highlights: Black-Right-Pointing-Pointer Small increase in methane production was observed applying sonication pretreatment. Black-Right-Pointing-Pointer Biogas productions between 720 and 1100 mL/Lreactor day were achieved. Black-Right-Pointing-Pointer Volatile solids removal efficiencies ranged between 53% and 60%. Black-Right-Pointing-Pointer Lower methane yields were obtained when operating under thermophilic conditions. Black-Right-Pointing-Pointer Optimum OLR in lab-scale CSTR was 1.2-1.3 g VS/L day (HRT: 20 days). - Abstract: Anaerobic co-digestion strategies are needed to enhance biogas production, especially when treating certain residues such as cattle/pig manure. This paper presents a study of co-digestion of cattle manure with food waste and sewage sludge. With the aim of maximising biogas yields, a series of experiments were carried out under mesophilic and thermophilic conditions using continuously stirred-tank reactors, operating at different hydraulic residence times. Pretreatment with ultrasound was also applied to compare the results with those obtained with non-pretreated waste. Specific methane production decreases when increasing the OLR and decreasing HRT. The maximum value obtained was 603 LCH{sub 4}/kg VS{sub feed} for the co-digestion of a mixture of 70% manure, 20% food waste and 10% sewage sludge (total solid concentration around 4%) at 36 Degree-Sign C, for an OLR of 1.2 g VS/L day. Increasing the OLR to 1.5 g VS/L day led to a decrease of around 20-28% in SMP. Lower methane yields were obtained when operating at 55 Degree-Sign C. The increase in methane production when applying ultrasound to the feed mixtures does not compensate for the energy spent in this pretreatment.},
doi = {10.1016/J.WASMAN.2012.05.033},
url = {https://www.osti.gov/biblio/22086558}, journal = {Waste Management},
issn = {0956-053X},
number = 10,
volume = 32,
place = {United States},
year = {Mon Oct 15 00:00:00 EDT 2012},
month = {Mon Oct 15 00:00:00 EDT 2012}
}