Studia Universitatis Babeș-Bolyai Collection

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With a history of more than six decades (1955), Studia Universitatis Babeș-Bolyai (Studia UBB) is one of the leading academic journals in Romania.

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    BIOGAS PRODUCTION USING WASTE WATERS – INFLUENCE OF PROCESS PARAMETERS FOR TEST RIG AT LABORATORY SCALE
    (STUDIA UBB CHEMIA. Published by Babeş-Bolyai University, 2017-03-30) Adrian Eugen CIOABLĂ; Aleksandar DJURIC; Gabriela-Alina DUMITREL; Daniel Nicolae CHIRILĂ; Vasile PODE
    Biogas production by anaerobic digestion of residual waters from different sources (a treatment plant and a beer factory) was investigated in laboratory small scale batch reactors. Both wastewaters represent efficient biogas substrates. As concern the methane composition, the value is slightly higher in the case of biogas produced by anaerobic digestion of wastewater from beer factory. In the second part of this study, anaerobic co-digestion of wastewater and cow whey was performed. Addition of cow whey to wastewater from beer factory increase the biogas yield, while the addition of cow whey to wastewater from treatment plant decrease the biogas yield. In both cases of co-digestion, the methane content in biogas was higher than in the single digestion processes. Description STUDIA UBB CHEMIA, LXII, 1, 2017 (p. 51-60), DOI:10.24193/subbchem.2017.1.04 Adrian Eugen CIOABLĂ Faculty of Mechanical Engineering, Politehnica University, Timisoara, Romania, cioablaadrianeugen@yahoo.com https://orcid.org/0000-0001-6261-0064 Aleksandar DJURIC Technical Faculty "Mihajlo Pupin", University of Novi Sad, Zrenjanin, Serbia https://orcid.org/0000-0002-2165-528X Gabriela-Alina DUMITREL Politehnica University of Timisoara, Faculty of Industrial Chemistry and Environmental Engineering, Timisoara, Romania *Corresponding author: alina.dumitrel@upt.ro https://orcid.org/0000-0002-2097-5230 Daniel Nicolae CHIRILĂ Department of Physical Education and Sports, Politehnica University, Timisoara, Romania, daniel.chirila@upt.ro Vasile PODE Faculty of Industrial Chemistry and Environmental Engineering, Politechnica University, Timisoara, Romania, vasile.pode@chim.upt.ro. https://orcid.org/0000-0001-8863-5163
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