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Diluent Effects in Amine Extraction of Sulfuric Acid

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    0104924 - UCHP-M 20040178 RIV CZ eng C - Conference Paper (international conference)
    Procházka, Jaroslav - Heyberger, Aleš - Volaufová, Eva
    Diluent Effects in Amine Extraction of Sulfuric Acid.
    [Účinky ředidla na aminovou extrakci kyseliny sírové.]
    Summaries 2. Praha: Process Engineering Publisher, 2004, s. 561. ISBN 80-86059-40-5.
    [International Congress of Chemical and Process Engineering CHISA 2004 /16./. Praha (CZ), 22.08.2004-26.08.2004]
    R&D Projects: GA ČR GA104/02/1108
    Institutional research plan: CEZ:AV0Z4072921
    Keywords : diluent effects * amine extraction * sulfurid acid
    Subject RIV: CI - Industrial Chemistry, Chemical Engineering

    In the present work aqueous sulfurid acid was extracted with trialkylamine dissolved in mixtures of tributyl phosphate and de-aromatized kerosene and in pute TBC. The "physical" extraction of the acid with TBF was also determined. The experiment were done at 25°C. The equilibrium acid concentrations in both phases and the content of co-extracted water in organic phase were measured.

    V práci byla extrahována sírová kyselina trialkylaminem rozpuštěným v tributylfosfátu, nebo ve směích tributylfosfátu s dearomatizovaným petrolejem. Byla stanovena také „fyzikální“ extrakce kyseliny čistým TBF. Experimenty byly prováděny při 250C. Byly měřeny koncentrae kyseliny v obou fázích a obsah koextrahované vody v organické fázi.
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