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Biosorption of Na+, K+ and Ca2+ from alkalized sugar juice by unmodified pressed sugar beet pulp in closed-loop column system

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dc.contributor.author Peić Tukuljac, Lidija
dc.contributor.author Krulj, Jelena
dc.contributor.author Kojić, Jovana
dc.contributor.author Šurlan, Jelena
dc.contributor.author Bodroža Solarov, Marija
dc.contributor.author Miljević, Bojan
dc.contributor.author Šereš, Zita
dc.contributor.author Maravić, Nikola
dc.date.accessioned 2023-07-10T11:11:52Z
dc.date.available 2023-07-10T11:11:52Z
dc.date.issued 2023-08
dc.identifier.citation Peić Tukuljac, L., Krulj, J., Kojić, J. et al. Biosorption of Na+, K+ and Ca2+ from Alkalized Sugar Juice by Unmodified Pressed Sugar Beet Pulp in Closed-Loop Column System. Sugar Tech 25, 766–776 (2023). https://doi.org/10.1007/s12355-022-01234-z en_US
dc.identifier.issn 0972-1525
dc.identifier.uri http://oa.fins.uns.ac.rs/handle/123456789/151
dc.description.abstract Sucrose crystallization process is greatly inhibited by high Na+, K+ and Ca2+ content in the crystallizing medium—sugar juice. In this study, unmodified pressed sugar beet pulp was used as a weak polyfunctional cation exchanger for the removal of Na+, K+ and Ca2+ from an alkalized sugar juice in a closed-loop column system. Cation removal effect was evaluated through the influence of temperature (30–70 °C), pH (8.5–12.5) and volume (150–300 ml) of alkalized juice. Sugar beet pulp exhibited the highest Ca2+ removal (56.58%) at 70 °C and pH value of 12.5, indicating strong impact of cation solubility, precipitation and valence. Milder conditions of alkalized sugar juice such as temperature (50 °C) and pH value (10.5) contributed to the maximum removal of Na+ (15.07%) and K+ (10.58%). Component analysis of the heteroporous sugar beet pulp with total porosity of 53% and specific surface area of 0.9 m2/g indicated hydroxyl and carboxyl groups as the main centers for an ion-exchange process in the material used, which was confirmed by FTIR analysis. This is the first time that unmodified pressed sugar beet pulp (PSBP) has been used as biosorbent for Na+, K+ and Ca2+ removal in a closed-loop column system. en_US
dc.description.sponsorship This research is financed by The Ministry of Education, Science and Technological Development (Serbia), project No. 451-03-68/2022-14/200222. The authors would like to acknowledge the support from Ministry of Education, Science and Technological Development (Serbia) for the textural analysis, project No. 451-03-68/2022-14/200134. en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.relation info:eu-repo/grantAgreement/MESTD/inst-2020/200222/RS//
dc.rights embargoedAccess
dc.rights info:eu-repo/semantics/embargoedAccess
dc.subject Alkalized sugar juice en_US
dc.subject Sugar beet pulp en_US
dc.subject Na+ K+ and Ca2+ removal en_US
dc.subject Closed-loop column system en_US
dc.subject Ion-exchange en_US
dc.title Biosorption of Na+, K+ and Ca2+ from alkalized sugar juice by unmodified pressed sugar beet pulp in closed-loop column system en_US
dc.type info:eu-repo/semantics/article
dc.identifier.scopus 2-s2.0-85145091921
dc.identifier.wos 000904845100001
dc.identifier.doi 10.1007/s12355-022-01234-z


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