Influence of the Medium Conditions on Enzymatic Oxidation of Bisphenol A

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dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.contributor.authorYalçınkaya, Zeki
dc.contributor.authorGün, Selim
dc.contributor.authorSahan, Tekin
dc.contributor.authorBirhanlı, Emre
dc.contributor.authorŞahiner, Nurettin
dc.contributor.authorAktaş, Nahit
dc.contributor.authorYeşilada, Özfer
dc.date.accessioned2025-01-27T20:41:16Z
dc.date.available2025-01-27T20:41:16Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractA multistep response surface methodology (RSM) was successfully applied to optimise the medium conditions for the enzymatic polymerisation of bisphenol A (BPA). The laccase enzyme used as the catalyst was derived from Funalia trogii (ATCC 200800) yeast culture. The enzymatic polymerisation rate of BPA, based on the measurements of the initial dissolved oxygen (DO) consumption rate in a closed batch system, was studied through RSM. Initially the most effective medium factors, which are monomer concentration (mg/L), temperature (degrees C) and solvent content (% methanol), were determined through Plackett-Burman Design (PBD), then the steepest ascent combined with central composite design (CCD) steps were applied to evaluate the optimal reaction conditions for the enzymatic polymerisation. The optimal conditions were evaluated to be 748.46mg/L, 32.24 degrees C and 15.92% for monomer concentration, temperature and solvent content, respectively. A quadratic model was developed through RSM to represent DO consumption in the medium. The maximum DO consumption rate was calculated to be 0.093mg DO/Lmin. Several repetitions were conducted at the optimal conditions to validate the system performance. The data evaluated from the quadratic model were in good agreement with those measured experimentally. The variations between the values did not exceed 10%. The correlation coefficient, R-2, was calculated to be 0.95, which indicates that 95% of results can be explained by model.
dc.description.sponsorshipYuzuncu Yil University Research Fund [2009-FEB-YL026]
dc.description.sponsorshipThis work was supported by Yuzuncu Yil University Research Fund by grant number 2009-FEB-YL026.
dc.identifier.doi10.1002/cjce.21920
dc.identifier.endpage719
dc.identifier.issn0008-4034
dc.identifier.issn1939-019X
dc.identifier.issue4
dc.identifier.scopus2-s2.0-84897604002
dc.identifier.scopusqualityQ2
dc.identifier.startpage712
dc.identifier.urihttps://doi.org/10.1002/cjce.21920
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24087
dc.identifier.volume92
dc.identifier.wosWOS:000332503600016
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofCanadian Journal of Chemical Engineering
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectbisphenol A
dc.subjectenzymatic oxidation
dc.subjectlaccase
dc.subjectoptimisation
dc.subjectresponse surface methodology
dc.titleInfluence of the Medium Conditions on Enzymatic Oxidation of Bisphenol A
dc.typeArticle

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