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Relationships Between Bone Treatment Conditions and Co2+ Sorption Capacities
dc.creator | Šljivić-Ivanović, Marija Z. | |
dc.creator | Smičiklas, Ivana D. | |
dc.creator | Milenković, Aleksandra | |
dc.creator | Dimović, Slavko | |
dc.date.accessioned | 2018-03-03T15:02:52Z | |
dc.date.available | 2018-03-03T15:02:52Z | |
dc.date.issued | 2015 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/7124 | |
dc.description.abstract | Co-60 is an important radionuclide in spent nuclear fuel and liquid radioactive wastes. For the purification of water containing Co2+, ions sorption on hydroxyapatite (Ca-10(PO4)(6)(OH)(2)) can be applied. The process is particularly cost-effective if biological apatite from animal bones is utilized. In this study, dependence between bovine bone treatment conditions and Co2+, sorption was investigated as a function of initial metal concentration. Eight sorbents were previously prepared using fractional factorial design, by simultaneous variations of five process variables between two levels: factor A-the type of the chemical reagent (H2O2 or NaOH), factor B-reagent concentration (0.1 mol/L or 2 mol/L), factor C-reaction temperature (20(o)C or 60(o)C), factor D-contact time (1h or 3h) and factor E-sample annealing (without or at 400(o)C). At this point, the effects of treatment factors on Co2+, sorption efficiency were evaluated using statistical analysis. Amounts of Co2+ sorbed, amounts of released Ca2+ ions and final pH values were considered as system responses. The results showed that the impact of various treatment factors was different for different starting concentrations of Co2+. Consequently, no statistically important relations could be established between treatment conditions and Co2+, sorption from 10(-4) and 5*10(-4) mol/L solutions, whereas thermal treatment at 400(o)C was the only statistically significant factor influencing sorption from the most concentrated solution (5*10(-3) mol/L). Depending on initial Co2+, concentration, various factors had statistically significant effect on equilibrium pH values, whereas no relation was found between bone treatment conditions and the amounts of Ca2+, released during the sorption. | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43009/RS// | |
dc.rights | openAccess | en |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | RAD Conference Proceedings | |
dc.subject | design of experiments | en |
dc.subject | bioapatite | en |
dc.subject | Co2+ | en |
dc.subject | sorption | en |
dc.title | Relationships Between Bone Treatment Conditions and Co2+ Sorption Capacities | en |
dc.type | conferenceObject | en |
dc.rights.license | BY | |
dcterms.abstract | Смициклас Ивана; Димовић Славко; Шљивић-Ивановић Марија; Миленковиц, Aлександра; | |
dc.citation.spage | 217 | |
dc.citation.epage | 222 | |
dc.identifier.wos | 000387979700046 | |
dc.description.other | 3rd International Conference on Radiation and Applications in Various Fields of Research (RAD), Jun 08-12, 2015, Budva, Montenegro | en |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85057746739 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs/bitstream/id/21431/RAD2015_SljivicIvanovic_RelationshipsBetweenBoneTreatment.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_vinar_7124 |