Topological transformation of phase diagrams water – ethoxylated nonylphenols – sodium chloride systems

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dc.contributor.author Elokhov, A.M.
dc.contributor.author Stankova, A.V.
dc.contributor.author Kudryashova, O.S.
dc.contributor.author Lesnov, A.E.
dc.date.accessioned 2019-03-13T05:12:56Z
dc.date.available 2019-03-13T05:12:56Z
dc.date.issued 2018-12-30
dc.identifier.citation Topological transformation of phase diagrams water – ethoxylated nonylphenols – sodium chloride systems / A.M. Elokhov [et al.] // Қарағанды универисетінің хабаршысы. ХИМИЯ Сериясы.=Вестник Карагандинского университета. Серия ХИМИЯ.=Bulletin of the Karaganda University. CHEMISTRY Series. – 2018. - № 4. - P.35-40. ru_RU
dc.identifier.issn 2518-718Х
dc.identifier.uri http://rep.ksu.kz:80//handle/data/4283
dc.description.abstract In this work phase equilibria in water – ethoxylated nonylphenol (Neonol) – sodium chloride systems was investigated, and temperature ranges of two-phase liquid and monotectic equilibrium region existence were established. These regions exist at temperature of more than 23 ºC in system with Neonol AF-9-12 and more than 42 ºC in system with Neonol AF-9-25. A feature of water – Neonol AF-9-12 – sodium chloride system is the salting-out of double water – Neonol AF-9-12 subsystem at the temperature of more than 84 ºC. A scheme of phase diagrams of topological transformation of water – ethoxylated surfactant – inorganic salt systems for cases, when salt has only salting-out effect and water – surfactant subsystem is characterized by a lower critical solubility temperature (Neonol AF-9-12) or homogeneous throughout liquid state interval was developed. The correspondence of developed schemes to generalized scheme for the salt — binary solvent systems was shown. The data obtained allow evaluating surfactant ethoxylation degree effect to sodium chloride salting-out ability. It was found that ethoxylation degree increase is accompanied by increase in surfactant micelles hydration, which leads to decrease in the salting-out ability of sodium chloride. The obtained data can be used to optimize the temperature and concentration extraction parameters. ru_RU
dc.language.iso en ru_RU
dc.publisher KSU Publ. ru_RU
dc.relation.ispartofseries Қарағанды универисетінің хабаршысы. ХИМИЯ Сериясы.=Вестник Карагандинского университета. Серия ХИМИЯ.=Bulletin of the Karaganda University. CHEMISTRY Series.;№ 4(92)/ 2018
dc.subject surfactants ru_RU
dc.subject ethoxylated nonylphenol ru_RU
dc.subject sodium chloride ru_RU
dc.subject stratifying systems ru_RU
dc.subject salting-out ru_RU
dc.subject phase diagrams ru_RU
dc.subject solubility ru_RU
dc.subject topological transformation ru_RU
dc.title Topological transformation of phase diagrams water – ethoxylated nonylphenols – sodium chloride systems ru_RU
dc.title.alternative Су – оксиэтилденген нонилфенол – NaCl жүйелері фазалық диаграммаларының топологиялық трансформациялануы ru_RU
dc.title.alternative Топологическая трансформация фазовых диаграмм систем вода – оксиэтилированный нонилфенол – NaCl ru_RU
dc.type Article ru_RU


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