Reactive Extraction of Betaine from Sugarbeet Processing Byproducts

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dc.authoridZeidan, Hani/0000-0002-5891-3887
dc.authoridAltinisik, Sinem/0000-0003-0238-0169
dc.authoridMarti, Mustafa Esen/0000-0002-9829-0602
dc.contributor.authorAltinisik, Sinem
dc.contributor.authorZeidan, Hani
dc.contributor.authorYilmaz, M. Deniz
dc.contributor.authorMarti, Mustafa E.
dc.date.accessioned2025-01-27T20:43:36Z
dc.date.available2025-01-27T20:43:36Z
dc.date.issued2023
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractBetaine from natural sources is still preferred over its synthetic analogue in secondary industries. It is currently obtained by expensive separation means, which is one of the main reasons for its high cost. In this study, reactive extraction of betaine from sugarbeet industry byproducts, that is, molasses and vinasse, was investigated. Dinonylnaphthalenedisulfonic acid (DNNDSA) was used as the extraction agent, and the initial concentration of betaine in the aqueous solutions of byproducts was adjusted to 0.1 M. Although maximum efficiencies were obtained at unadjusted pH values (pH 6, 5, and 6 for aqueous betaine, molasses, and vinasse solutions, respectively), the effect of aqueous pH on betaine extraction was negligible in the range of 2-12. The possible reaction mechanisms between betaine and DNNDSA under acidic, neutral, and basic conditions were discussed. Increasing the extractant concentration significantly increased (especially in the range of 0.1-0.4 M) the yields, and temperature positively (but slightly) affected betaine extraction. The highest extraction efficiencies (similar to 71.5, 71, and 67.5% in a single step for aqueous betaine, vinasse, and molasses solutions, respectively) were obtained with toluene as an organic phase solvent, and it was followed by dimethyl phthalate, 1-octanol, or methyl isobutyl ketone, indicating that the efficiency increased with decreasing polarity. Recoveries from pure betaine solutions were higher (especially at higher pH values and [DNNDSA] < 0.5 M) than those from vinasse and molasses solutions, indicating the adverse influence of byproduct constituents; however, the lower yields were not due to sucrose. Stripping was affected by the type of organic phase solvent, and a significant amount (66-91% in single step) of betaine in the organic phase was transferred to the second aqueous phase using NaOH as the stripping agent. Reactive extraction has a great potential for use in betaine recovery due to its high efficiency, simplicity, low energy demand, and cost.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [117M059]
dc.description.sponsorshipThis study was financially supported by the Scientific and Technological Research Council of Turkey (TUBITAK), project no: 117M059 which is gratefully acknowledged here. We would also like to thank Konya Technical University for the use of the facilities. We extend our gratitude to Konya Sugar Factory for providing molasses and vinasse.
dc.identifier.doi10.1021/acsomega.2c07845
dc.identifier.endpage11038
dc.identifier.issn2470-1343
dc.identifier.issue12
dc.identifier.pmid37008146
dc.identifier.startpage11029
dc.identifier.urihttps://doi.org/10.1021/acsomega.2c07845
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24293
dc.identifier.volume8
dc.identifier.wosWOS:000953459500001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAmer Chemical Soc
dc.relation.ispartofAcs Omega
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectLiquid-Liquid-Extraction
dc.subjectCarboxylic-Acids
dc.subjectSeparation
dc.subjectSolvents
dc.subjectCoordination
dc.subjectEquilibrium
dc.subjectChemistry
dc.subjectComplex
dc.subjectLipids
dc.titleReactive Extraction of Betaine from Sugarbeet Processing Byproducts
dc.typeArticle

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