Co-pyrolysis of sewage sludge and manure

Ruiz-Gómez, N. (Universidad de Zaragoza) ; Quispe, V. ; Ábrego, J. (Universidad de Zaragoza) ; Atienza-Martínez, M. (Universidad de Zaragoza) ; Murillo, M. B. (Universidad de Zaragoza) ; Gea, G. (Universidad de Zaragoza)
Co-pyrolysis of sewage sludge and manure
Resumen: The management and valorization of residual organic matter, such as sewage sludge and manure, is gaining interest because of the increasing volume of these residues, their localized generation and the related problems. The anaerobic digestion of mixtures of sewage sludge and manure could be performed due to the similarities between both residues. The purpose of this study is to evaluate the feasibility of the co-pyrolysis of sewage sludge (SS) and digested manure (DM) as a potential management technology for these residues. Pyrolysis of a sewage sludge/manure blend (50:50%) was performed at 525 °C in a stirred batch reactor under N2 atmosphere. The product yields and some characteristics of the product were analyzed and compared to the results obtained in the pyrolysis of pure residues. Potential synergetic and antagonist effects during the co-pyrolysis process were evaluated. Although sewage sludge and manure seem similar in nature, there are differences in their pyrolysis product properties and distribution due to their distinct ash and organic matter composition. For the co-pyrolysis of SS and DM, the product yields did not show noticeable synergistic effects with the exception of the yields of organic compounds, being slightly higher than the predicted average, and the H2 yield, being lower than expected. Co-pyrolysis of SS and DM could be a feasible management alternative for these residues in locations where both residues are generated, since the benefits and the drawbacks of the co-pyrolysis are similar to those of the pyrolysis of each residue.
Idioma: Inglés
DOI: 10.1016/j.wasman.2016.11.013
Año: 2017
Publicado en: Waste Management 59 (2017), 211-221
ISSN: 0956-053X

Factor impacto JCR: 4.723 (2017)
Categ. JCR: ENVIRONMENTAL SCIENCES rank: 25 / 241 = 0.104 (2017) - Q1 - T1
Categ. JCR: ENGINEERING, ENVIRONMENTAL rank: 9 / 50 = 0.18 (2017) - Q1 - T1

Factor impacto SCIMAGO: 1.456 - Waste Management and Disposal (Q1)

Financiación: info:eu-repo/grantAgreement/ES/MINECO/CTQ2013-47260-R
Tipo y forma: Artículo (PostPrint)
Área (Departamento): Área Ingeniería Química (Dpto. Ing.Quím.Tecnol.Med.Amb.)
Área (Departamento): Área Tecnologi. Medio Ambiente (Dpto. Ing.Quím.Tecnol.Med.Amb.)


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