Modeling the kinetics of pyrite ash biodesulfurization by saccharomyces cerevisiae and acetobacter aceti in liquid state bioreactors Report as inadecuate




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Electronic Journal of Biotechnology 2013, 16 2

Author: Yakup Ermurat

Source: http://www.redalyc.org/


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Electronic Journal of Biotechnology E-ISSN: 0717-3458 edbiotec@ucv.cl Pontificia Universidad Católica de Valparaíso Chile Ermurat, Yakup Modeling the kinetics of pyrite ash biodesulfurization by Saccharomyces cerevisiae and Acetobacter aceti in liquid state bioreactors Electronic Journal of Biotechnology, vol.
16, núm.
2, 2013, pp.
1-12 Pontificia Universidad Católica de Valparaíso Valparaíso, Chile Available in: http:--www.redalyc.org-articulo.oa?id=173325727005 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Electronic Journal of Biotechnology ISSN: 0717-3458 http:--www.ejbiotechnology.info DOI: 10.2225-vol16-issue2-fulltext-1 RESEARCH ARTICLE Modeling the kinetics of pyrite ash biodesulfurization by Saccharomyces cerevisiae and Acetobacter aceti in liquid state bioreactors Yakup Ermurat1 1 Atatürk University, Engineering Faculty, Chemical Engineering, Erzurum, Turkey Corresponding author: yakupermurat@atauni.edu.tr Received October 15, 2012 - Accepted January 8, 2013 Published online: March 15, 2013 © 2013 by Pontificia Universidad Católica de Valparaíso, Chile Abstract Background: Modeling the kinetics of the biodesulphurization bioprocess for the refining of pyrite ash by Saccharomyces cerevisiae and Acetobacter aceti have been studied in batch-type liquid- state bioreactors. Results: The biodesulphurization experiments were performed at varying temperatures of 25ºC, 30ºC and 35ºC for eight weeks.
Glucose, acetic acid and ethyl alcohol were used in the incubation media as substrates and acid sources.
pH and oxidation reduction potential (ORP) observations have been determined weekly and the dissolved sulphur was measured at the end of the eight weeks trials.
An equation calculating pH was derived from the i...





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