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Semenov, A.A.; Reznik, A.M.; Semenov, S.A.
Modern problems of extraction chemistry and technology. Collection of papers. Volume 21999
Modern problems of extraction chemistry and technology. Collection of papers. Volume 21999
AbstractAbstract
[en] Different types of coalescence in extraction system of 0.5 M solution of phenol formaldehyde oligomer in toluene - aqueous scandium sulfuric acid solutions are detected and studied. Condition under the which scandium is extracted in organic phase completely within 30 second are established. Extraction and reextraction of scandium in the cases of different duration of phase contact are investigated. Reproducible regularities of changes of light scattering of extracts and pH values of raffinates in different conditions are revealed. Empirical equation describing coalescence for one of the considered case is presented
[ru]
Обнаружены и изучены различные типы коалесценции в экстракционной системе 0.5 М раствор фенолформальдегидного олигомера в толуоле - сернокислотные водные растворы скандия. Обнаружены условия, при которых скандий полностью извлекается в органическую фазу за 30 секунд. Изучены экстракция и реуэкстракция скандия при различной пордолжительности контакта фаз. Выявлены воспроизводимые закономерности изменения светорассеяния экстрактов и pH валичин раффинатов в различных условиях. Предложено уравнение, описывающее коалесценцию для одного из рассмотренных случаевOriginal Title
Osobennosti koalestsentsii pri ehkstraktsii skandiya fenolformal'degidnym oligomerom iz sul'fatnykh rastvorov
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Source
Rossijskaya Akad. Nauk, Moscow (Russian Federation); RAN, Inst. Obshchej i Neorganicheskoj Khimii im. N.S. Kurnakova, Moscow (Russian Federation); Rossijskij Khimiko-Tekhnologicheskij Univ. im. D.I. Mendeleeva, Moscow (Russian Federation); RAN, Nauchnyj Sovet po Neorganicheskoj Khimii, Komissiya po Ehkstraktsii, Moscow (Russian Federation); 116 p; 1999; p. 206-216; Modern problems of extraction chemistry and technology; Sovremennye problemy khimii i tekhnologii ehkstraktsii; Moscow (Russian Federation); 13-19 Dec 1999; 9 refs.; 12 figs.
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Miscellaneous
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Conference
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ALKYLATED AROMATICS, AROMATICS, DISPERSIONS, EXTRACTION, FUNCTIONS, HOMOGENEOUS MIXTURES, HYDROCARBONS, HYDROGEN COMPOUNDS, HYDROXY COMPOUNDS, INORGANIC ACIDS, INORGANIC COMPOUNDS, MIXTURES, ORGANIC COMPOUNDS, OXYGEN COMPOUNDS, SEPARATION PROCESSES, SOLUTIONS, SULFUR COMPOUNDS, TRANSITION ELEMENT COMPOUNDS
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