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Optimizacija procesa uklanjanja anjonskih boja iz vodenih medijuma primenom katjonskih adsorbenata na bazi skroba
Optimization of process removal of anionic dyes from aqueous media using cationic adsorbents based on starch
dc.creator | Karić, Nataša | |
dc.creator | Maletić, Marina | |
dc.creator | Rnjaković, Danka | |
dc.creator | Vukčević, Marija | |
dc.creator | Perić-Grujić, Aleksandra | |
dc.creator | Ristić, Mirjana | |
dc.creator | Trivunac, Katarina | |
dc.date.accessioned | 2023-03-16T12:54:39Z | |
dc.date.available | 2023-03-16T12:54:39Z | |
dc.date.issued | 2021 | |
dc.identifier.isbn | 978-86-7498-087-3 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6117 | |
dc.description.abstract | Tekstilna industrija spada u red industrija sa najvećom potrošnjom vode u svom proizvodnom procesu. Opšta karakteristika otpadnih voda iz tekstilne industrije je, pre svega, visok sadržaj organskih materija i visoka obojenost. Sa aspekta zaštite životne sredine, uslovi za ispuštanje otpadnih voda su sve strožiji, dok je primena ekološki i ekonomski prihvatljivih adsorbenata za tretman otpadnih voda veliki izazov današnjice. Upravo zbog toga, u okviru ovog rada ispitivana je mogućnost primene katjonskih adsorbenata na bazi prirodnog materijala skroba za uklanjanje metil oranž (MO) boje iz vodenih rastvora. Korišćena su dva derivata katjonskog skroba, skrob modifikovan sa glicidiltrimetilamonijum hloridom (CS-G) i skrob modifikovan sa betain hidrohloridom (CS-B). Karakterizacija funkcionalnih grupa na površini materijala izvršena je korišćenjem infracrvene spektroskopije sa Furijeovom transformacijom (FTIR), dok je morfologija materijala ispitana pomoću skenirajuće elektronske mikroskopije (SEM). Kako bi se utvrdili optimalni adsorpcioni uslovi ispitana je kinetika adsorpcije, adsorpcione izoterme, kao i uticaj pH vrednosti. Na osnovu dobijenih kapaciteta adsorpcije pri optimalnim uslovima, određene su efikasnosti uklanjanja MO iz vodenih medijuma. Takođe, ispitana je i adsorpcija drugih anjonskih i katjonskih boja. Ispitivani katjonski skrobovi su se pokazali kao efikasni adsorbenti za uklanjanje MO i drugih anjonskih (alizarin crveno S, ARS), ali i katjonskih (metilensko plavo, MB i brilijant zelena, BG) boja iz vodenih rastvora. | sr |
dc.description.abstract | The textile industry is one of the industries with the highest water consumption in its production process. The general characteristic of wastewater from the textile industry is, primarily, the high content of organic matters and high coloration. From the aspect of environmental protection, the conditions for wastewater discharge are becoming more stringent, while the application of environmentally and economically acceptable adsorbents for wastewater treatment is a great challenge today. For this reason, the possibility of using cationic adsorbents based on natural starch material to remove methyl orange (MO) from aqueous solutions was investigated. Two cationic starch derivatives were used, starch modified with glycidyltrimethylammonium chloride (CS-G) and starch modified with betaine hydrochloride (CS-B). Surface functional groups were characterized by Fourier transform infrared spectroscopy (FTIR), while the morphology of the material was examined using scanning electron microscopy (SEM). In order to determine the optimal reaction conditions, the kinetics of adsorption, adsorption isotherms, as well as the influence of pH values were examined. Based on the obtained adsorption capacities under optimal conditions, the efficiencies of MO removal from aqueous media were determined. The adsorption of other anionic and cationic dyes was also investigated. The tested cationic starches proved to be effective adsorbents for the removal of MO and other anionic (alizarin red S, ARS), but also cationic (methylene blue, MB and brilliant green, BG) dyes from aqueous solutions. | sr |
dc.language.iso | sr | sr |
dc.publisher | AKADEMIJA TEHNIČKIH STRUKOVNIH STUDIJA BEOGRAD | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200135/RS// | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200287/RS// | sr |
dc.rights | openAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Šesti naučno-stručni skup Politehnika 2021 | sr |
dc.subject | katjonski skrob | sr |
dc.subject | adsorpcija | sr |
dc.subject | tekstilna industrija | sr |
dc.subject | anjonske boje | sr |
dc.subject | katjonske boje | sr |
dc.subject | cationic starch | sr |
dc.subject | adsorption | sr |
dc.subject | textile industry | sr |
dc.subject | anionic dyes | sr |
dc.subject | cationic dyes | sr |
dc.title | Optimizacija procesa uklanjanja anjonskih boja iz vodenih medijuma primenom katjonskih adsorbenata na bazi skroba | sr |
dc.title | Optimization of process removal of anionic dyes from aqueous media using cationic adsorbents based on starch | sr |
dc.type | conferenceObject | sr |
dc.rights.license | BY | sr |
dc.citation.epage | 135 | |
dc.citation.spage | 130 | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/16179/bitstream_16179.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_technorep_6117 | |
dc.type.version | publishedVersion | sr |