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Anaerobic digestion of blood serum water integrated in a valorization process of the bovine blood treatment

TitoloAnaerobic digestion of blood serum water integrated in a valorization process of the bovine blood treatment
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2019
AutoriLangone, Michela, Ferrentino R., Freddi F., and Andreottola G.
RivistaBiomass and Bioenergy
Volume120
Paginazione1-8
ISSN09619534
Parole chiaveAnaerobic digestion, Anaerobic filters, Animalia, blood, Blood serum, Bovinae, Byproducts, COD removal efficiency, Correlation coefficient, efficiency measurement, Energy valorization, filter, Filters (for fluids), Mammals, Passive filters, performance assessment, pollutant removal, Rate constants, serum, slaughterhouse, Solid/liquid separation, Stover-Kincannon kinetic, Water treatment
Abstract

The present work aims to analyze the valorization of blood (Category 3 animal by-products). In this study, for the first time, blood serum water, obtained after a sterilization process and a solid/liquid separation unit, has been utilized as energy rich input material for anaerobic digestion. The performance of an up-flow anaerobic filter (UAF) for treating bovine blood serum water under mesophilic conditions was investigated. The reactor was loaded up to an organic loading rate of 2.5 kg m−3 d−1 of total COD, achieving total and soluble COD removal efficiencies of 90% and 92%, respectively. A maximum biogas yield of 0.56 m3 kg−1 of removed total COD was measured. According to the modified Stover-Kincannon kinetic model, maximum removal rate constant, Umax, and saturation value constant, KB, values were estimated as 18.8 g L−1 d−1 and 18.5 g L−1 d−1 for blood serum water, respectively. As the model gave high correlation coefficients (R2 = 97%), it could be used in both designing and predicting the behaviour of the UAF. © 2018 Elsevier Ltd

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cited By 2

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85055738521&doi=10.1016%2fj.biombioe.2018.10.015&partnerID=40&md5=24e1ab0b26df1e0eee04acd28e6a4fe5
DOI10.1016/j.biombioe.2018.10.015
Citation KeyLangone20191