Recycling of colored office paper. Part II: Postbleaching with formamidine sulfinic acid and hydrogen peroxide

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dc.authorid0000-0003-0189-4715en_US
dc.contributor.authorPeşman, Emrah
dc.contributor.authorParlak, Mehtap
dc.date.accessioned2021-03-25T12:06:22Z
dc.date.available2021-03-25T12:06:22Z
dc.date.issued2018
dc.departmentAÇÜ, Orman Fakültesien_US
dc.description.abstractIn this study, the optimization of formamidine sulfinic acid (FAS) and hydrogen peroxide (P) bleaching stages of pre-bleached blue, red, yellow, green, and mixed colored office papers was investigated. The FAS was performed as a strong color stripping reagent on blue and green colored samples. However, due to reduced amine compounds FAS was not found to be effective on the red colored samples. In contrast, effective results were obtained with hydrogen peroxide on the red and yellow colored samples. These results showed that the two reagents must be used together in a sequence. Therefore, in this study, FASP and PFAS bleaching sequences were also investigated and the optical properties (absorbance (k/s) spectra, CIE L*a*b* color values, and ISO brightness) of these sequences were compared. The color differences (CIE Delta E) of FASP and PFAS bleaching sequences of the mixed colored samples were calculated as 18.2% and 16.1%, respectively. The FASP bleaching sequence was determined to be more effective than the PFAS sequence for the bleaching of all samples. As a result, this study showed that FAS, a strong reducing agent, and hydrogen peroxide, an effective oxidative decolorizer, can be used together to obtain white writing papers from waste direct dye colored office papers.
dc.identifier.citationPeşman, E., & Parlak, M. (2018). Recycling of Colored Office Paper. Part II: Post-bleaching with Formamidine Sulfinic Acid and Hydrogen Peroxide. BioResources, 13(3), 4841-4855.en_US
dc.identifier.endpage4855en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage4841en_US
dc.identifier.urihttps://hdl.handle.net/11494/2814
dc.identifier.volume13en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorPeşman, Emrah
dc.language.isoenen_US
dc.publisherNorth Carolina State Univ Dept Wood & Paper Scien_US
dc.relation.ispartofBioResources
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFormamidine sulfinic aciden_US
dc.subjectHydrogen peroxideen_US
dc.subjectPost-bleachingen_US
dc.subjectL*a*b* Color valuesen_US
dc.subjectColored office paperen_US
dc.titleRecycling of colored office paper. Part II: Postbleaching with formamidine sulfinic acid and hydrogen peroxideen_US
dc.typeArticle

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