Agne Bankauskaite
Kaunas University of Technology
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Featured researches published by Agne Bankauskaite.
Desalination and Water Treatment | 2015
Agne Bankauskaite; Anatolijus Eisinas; Kestutis Baltakys; Skirmante Zadaviciute
AbstractThis study examined the intercalation mechanism of Co2+, Ni2+, Zn2+, Mn2+ and Fe3+ ions into synthetic layered inorganic adsorbents—hydrotalcite and gyrolite under different conditions. It was observed that the process parameters above depend on the chemical nature of both solutions and adsorbents. An extremely high and selective uptake of Fe3+ ions was observed in both cases (~98–99%). The selectivity sequence of studied metal ions by gyrolite can be written as follows: Co2+ > Zn2+/Mn2+/Ni2+ > Fe3+, while with calcined hydrotalcite: Co2+/Ni2+/Mn2+ > Zn2+ > Fe3+. It was determined that, during simultaneous adsorption, the intercalation of heavy metal ions into the structure of gyrolite or calcined hydrotalcite proceeds differently, because the amount of adsorbed Mex+ ions is higher than the amount of leached Ca2+ and Mg2+ ions, resulting in the occurrence of two types of chemical reactions – substitution and addition. It should be noted that almost all heavy metal ions (~99.84%) are chemisorbed by...
Advances in Materials Science and Engineering | 2016
Jolanta Doneliene; Anatolijus Eisinas; Kestutis Baltakys; Agne Bankauskaite
The effect of synthetic CAH (130°C; 8 h; CaO/(SiO2 + Al2O3) = 0.55; Al2O3/(SiO2 + Al2O3) = 0.1, 0.15) with different crystallinity on the hydration kinetics of OPC at early stages of hydration was investigated. Also, the formation mechanism of compounds during OPC hydration was highlighted. It was determined that the synthetic CAH accelerated the initial reaction and shortened the induction period. Also, the second and third exothermic reactions begun earlier, and, during the latter reaction, the higher values of the heat flow were obtained in comparison with pure OPC samples. At later stages of hydration, synthetic CAH affect the OPC hydration as the usual pozzolanic additives; moreover, the larger values of cumulative heat were reached. It should be noted that the nature of synthetic CAH samples accelerated the dissolution of gypsum and stimulates the earliest C3S hydration.
Journal of Thermal Analysis and Calorimetry | 2017
Aliona Iljina; Kestutis Baltakys; Agne Bankauskaite; Anatolijus Eisinas; Saulius Kitrys
Journal of Thermal Analysis and Calorimetry | 2017
S. Zadaviciute; Kestutis Baltakys; Agne Bankauskaite
Journal of Thermal Analysis and Calorimetry | 2015
Agne Bankauskaite; Kestutis Baltakys
Journal of Thermal Analysis and Calorimetry | 2015
Kestutis Baltakys; Aliona Iljina; Agne Bankauskaite
Journal of Thermal Analysis and Calorimetry | 2014
Agne Bankauskaite; Kestutis Baltakys; Gundars Mezinskis
Journal of Thermal Analysis and Calorimetry | 2018
S. Zadaviciute; Agne Bankauskaite; Kestutis Baltakys; Anatolijus Eisinas
Journal of Thermal Analysis and Calorimetry | 2017
S. Zadaviciute; Kestutis Baltakys; Anatolijus Eisinas; Agne Bankauskaite
Journal of Thermal Analysis and Calorimetry | 2018
Tadas Dambrauskas; Kestutis Baltakys; V. Rudelis; Agne Bankauskaite