2018
DOI: 10.15407/hftp09.04.417
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Composite on the basis of hydrated zirconium dioxide and graphene oxide for removal of organic and inorganic components from water

Abstract: The aim of the investigation is to develop multifunctional adsorbent, which is able to remove both inorganic ions and molecular organic substances from aqueous solutions. Oxidized graphene has been obtained by Hammer's method. The composite, which includes hydrated zirconium dioxide and graphene oxide ( 2 mass. %), has been synthesized by deposition from sol containing dispersed particles of the carbon material. The adsorbent as well as its constituents were investigated with methods of XRD analysis, FTIR spe… Show more

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Cited by 5 publications
(4 citation statements)
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“…Anion adsorption on GO is insignificant since its surface is charged negatively. Modification of amphoteric HZD with GO enhances cation adsorption on this inorganic material and depresses anion adsorption (24). As found earlier using potentiometric titration, the point of zero charge for the composite corresponds to pH 3.…”
Section: Ed Combining With Adsorption and Ion Exchangesupporting
confidence: 64%
See 1 more Smart Citation
“…Anion adsorption on GO is insignificant since its surface is charged negatively. Modification of amphoteric HZD with GO enhances cation adsorption on this inorganic material and depresses anion adsorption (24). As found earlier using potentiometric titration, the point of zero charge for the composite corresponds to pH 3.…”
Section: Ed Combining With Adsorption and Ion Exchangesupporting
confidence: 64%
“…Among known adsorbents, the composites containing graphene oxide (GO) nanoparticles look very attractive. For instance, adsorption capacity of the material based on hydrated zirconium dioxide (HZD) is comparable to that for ion exchange resins (towards Pb 2+ ions) (24). High adsorption capacity of GO towards Na + ions in weakly acidic solutions is also suggested (25).…”
Section: Introductionmentioning
confidence: 99%
“…( Надалі для створення композитів за стосовували новітні вуглецеві наномате ріали. При дослідженні ОГ методом ета лонної контактної порометрії виявлено великі значення площі питомої поверхні, які досягають 1200 (в ідеально змочуючо му розчиннику − октані) або 2250 м 2 •г 1 (у воді) [53]. Остання величина є близькою до теоретичної для графену (≈2600 м 2 •г 1 [54]) і відповідає літературним даним [55], одер жаним саме згаданим методом.…”
Section: т в мальцева ю с дзязькоunclassified
“…Проте збільшення площі питомої поверхні композиту порівняно з ГДЦ є незначним (2.6 %), що узгоджується зі вмістом ОГ (2% відносно безводного ZrO 2 ).Як показано у[53], вуглецевий моди фікатор локалізовано на поверхні части нок ГДЦ (рис. 7).…”
unclassified