Studies on iron(III) removal from chloride aqueous solutions by solvent extraction and transport through polymer inclusion membranes with D2EHPA

Pośpiech, B.; Walkowiak, W.

Artykuł - szczegóły

Tytuł artykułu

Studies on iron(III) removal from chloride aqueous solutions by solvent extraction and transport through polymer inclusion membranes with D2EHPA

Autorzy

Pośpiech B. , Walkowiak W.

Wybrane pełne teksty z tego czasopisma

http://www.journalssystem.com/ppmp/

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Warianty tytułu

Badania nad usuwaniem żelaza(Iii) z wodnych roztworów chlorkowych w procesie ekstrakcji cieczowej i transportu przez polimerowe membrany inkluzyjne za pomocą D2EHPA

Języki publikacji

Abstrakty

The removal of iron(III) from chloride acidic aqueous solutions in solvent extraction and transport through polymer inclusion membranes (PIMs) has been studied. D2EHPA was used as the extractant/ion carrier in these processes. The extraction of Fe(III), Mn(II), Ni(II), Cu(II) and Co(II) with 0.5 M D2EHPA was: 73.4 %, 11.2 %, 15.3 %, 7.8 % and 23.9 %, respectively. Separation factors (S) for metal ions were calculated and reported. The transport across PIM containing cellulose triacatate (CTA) as the support and o-nitrophenyl octylether (ONPOE) as the plasticizer was found to be the effective and selective method of Fe(III) ions removal from aqueous chloride solutions containing Mn(II), Ni(II), Cu(II) and Co(II) ions. The stability of PIMs was also studied. Present studies indicate that the transport across PIM has the long term integrity.

Zbadano proces usuwania żelaza(III) z wodnych roztworów chlorkowych zawierających w procesie ekstrakcji cieczowej i transportu przez polimerowe membrany inkluzyjne (PIMs). W roli ekstrahenta/przenośnika jonów użyto kwasu di(2-etyloheksylo)fosforowego (D2EHPA). Procent ekstrakcji jonów Fe(III), Mn(II), Ni(II), Cu(II) i Co(II) za pomocą 0,5 m D2EHPA wynosił odpowiednio: 73.4 %, 11.2 %, 15.3 %, 7.8 % i 23.9 %. Obliczono i przedstawiono także współczynnik separacji (S) poszczególnych metali. Stwierdzono, że transport przez polimerową membranę zawierającą trioktan celulozy (CTA) w roli polimerowej matrycy, eter o-nitrofenylooktylowy (ONPOE) jako plastyfikator i D2EHPA jest efektywną i selektywna metodą usuwania jonów Fe(III) z wodnych roztworów chlorkowych zawierających jony Mn(II), Ni(II), Cu(II) i Co(II). Wyniki badań wskazują na stosunkowo długi okres trwałości tych membran w tych warunkach.

Słowa kluczowe

iron(III) D2EHPA solvent extraction polymer inclusion membranes

żelazo(III) D2EHPA ekstrakcja membrany

Wydawca

Oficyna Wydawnicza Politechniki Wrocławskiej

Czasopismo

Physicochemical Problems of Mineral Processing

Rocznik

2010

Tom

Vol. 44

Strony

195--204

Opis fizyczny

Bibliogr. 30 poz.

Twórcy

autor

Pośpiech B.

autor

Walkowiak W.

Department of Chemistry, Czestochowa University of Technology, 42-200 Czestochowa, Poland, wladyslaw.walkowiak@pwr.wroc.pl

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-BAT6-0013-0019