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Publikācija: Influence of Alkali and Acidic Treatment on Sorption Properties of Latvian Illite Clays

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Nosaukums oriģinālvalodā Influence of Alkali and Acidic Treatment on Sorption Properties of Latvian Illite Clays
Pētniecības nozare 2. Inženierzinātnes un tehnoloģijas
Pētniecības apakšnozare 2.5. Materiālzinātne
Autori Vitālijs Lakevičs
Valentīna Stepanova
Ieva Skuja
Inga Dušenkova
Augusts Ruplis
Atslēgas vārdi adsorption, Latvian clays illite, specific surface, acidic treatment, alkali
Anotācija The adsorption of monovalent organic cationic methylene blue dye on natural and modified with hydrochloric acid and sodium hydroxide Latvian clay samples from water solutions has been studied. It was established that alkali and acidic treatment of Latvian clay samples changes their sorption characteristics. It was found that increasing concentration of hydrochloric acid from 5 mass % up to 15 mass % decreases adsorption of clay samples proportionally to the acid concentration. Increasing concentration of sodium hydroxide from 5 mass % to 15 mass %, BET specific surface area of the modified clay samples is smaller than BET specific surface area of the natural clay sample. The studies have proven that adsorption ability of Latvian clays is sufficient for using them in waste water purification from admixtures of organic dyes.
DOI: 10.4028/www.scientific.net/KEM.604.71
Hipersaite: http://www.ttp.net/978-3-03835-043-9.html 
Atsauce Lakevičs, V., Stepanova, V., Skuja, I., Dušenkova, I., Ruplis, A. Influence of Alkali and Acidic Treatment on Sorption Properties of Latvian Illite Clays. Key Engineering Materials, 2014, Vol.604, 71.-74.lpp. ISSN 1013-9826. e-ISSN 1662-9795. Pieejams: doi:10.4028/www.scientific.net/KEM.604.71
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