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dc.contributor.authorVaičiukynienė, Danutė-
dc.contributor.authorMikelionienė, Agnė-
dc.contributor.authorBaltušnikas, Arūnas-
dc.contributor.authorKantautas, Aras-
dc.contributor.authorRadzevičius, Algirdas-
dc.descriptionArticle number: 352-
dc.description.abstractIn the petroleum industry during a catalytic cracking process, the used zeolitic catalyst becomes waste. This article investigated the sorption capacities of ammonium ions from aqueous solutions onto the previously mentioned zeolitic waste by batch experiments. Three types of zeolitic waste were used: unmodifed zeolitic waste with two diferent particle size distributions and H2O2-modifed zeolitic waste. Several techniques, including X-ray difraction (XRD) analysis, Fourier transform infrared spectroscopy (FT-IR), Brunauer-Emmett-Teller (BET) multilayer adsorption theory measurements, and X-ray fuorescence analysis (XRF) were used to demonstrate experimentally that the zeolitic waste could be used as a sorbent for the water decontamination of NH4 + ions. The morphology of zeolitic waste investigated by scanning electron microscopy (SEM) revealed particles with a spherical shape. The nitrogen adsorption–desorption isotherms showed an isotherm mixture of types I (pure microporous) and IV (mesoporous). This suggested that the investigated zeolitic materials were mesoporous (4.84nm) and microporous (0.852nm), as well as containing slit/cylindric pores, according to a quench solid density functional theory (QSDFT) adsorption branch model. Zeolitic waste from the oil industry showed good NH4 + sorption properties (removal efciency of 72%), thus becoming a potential adsorbent to be used in the treatment of contaminated aqueous efuents polluted with ammonium ions. Simultaneous waste and water decontamination can be achieved, providing a new tool and enhanced capabilities for environmental remediationen
dc.description.sponsorshipHidrotechninės statybos inžinerijos institutas-
dc.description.sponsorshipKauno technologijos universitetas-
dc.description.sponsorshipLietuvos energetikos institutas-
dc.description.sponsorshipVandens ūkio ir žemėtvarkos fakultetas-
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 1-11-
dc.relation.ispartofScientific reports [electronic resource]. London : Nature Publishing Group, 2020, vol. 10-
dc.relation.isreferencedbyAcademic Search Complete (EBSCO)-
dc.relation.isreferencedbyAcademic Search Premier (EBSCO)-
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)-
dc.subject.otherAplinkos inžinerija / Environmental engineering (T004)-
dc.titleRemoval of ammonium ion from aqueous solutions by using unmodified and H2O2-modified zeolitic wasteen
dc.typeStraipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)-
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item.fulltextWith Fulltext-
item.grantfulltextopen-Žemės ūkio akademija-ės statybos inžinerijos institutas-ės statybos inžinerijos institutas-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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