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2007•Physicochemical Problems of Mineral ProcessingRequires access

The effect of tributyl phosphate on the extraction of nickel(ii) and cobalt(ii) ions with di(2-ethylhexyl)phosphoric acid.

B. Gajda, Mariusz B. Bogacki

Open publisher page 19 citations

Abstract

The paper presents the results of studies on the extraction of nickel(II) and cobalt(II) ions from sulphate solutions with di(2-ethylhexyl)phosphoric acid (D2EHPA). As the modifier of extracting capacity, tributyl phosphate (TBP) was used. The obtained experimental results indicate that a high excess of TBP in relation to D2EHPA reduces the extracting capacity of the latter, whereas its small amount (in a proportion of 1:1) improves the extraction of nickel(II) ions, while not affecting the extraction of cobalt(II) ions.

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What this paper is about

The paper presents the results of studies on the extraction of nickel(II) and cobalt(II) ions from sulphate solutions with di(2-ethylhexyl)phosphoric acid (D2EHPA). As the modifier of extracting capacity, tributyl phosphate (TBP) was used. The obtained experimental results indicate that a high excess of TBP in relation to D2EHPA reduces the extracting capacity of the latter, whereas its small amount (in a proportion of 1:1) improves the extraction of nickel(II) ions, while not affecting the extraction of cobalt(II) ions.

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Available abstract

The paper presents the results of studies on the extraction of nickel(II) and cobalt(II) ions from sulphate solutions with di(2-ethylhexyl)phosphoric acid (D2EHPA). As the modifier of extracting capacity, tributyl phosphate (TBP) was used. The obtained experimental results indicate that a high excess of TBP in relation to D2EHPA reduces the extracting capacity of the latter, whereas its small amount (in a proportion of 1:1) improves the extraction of nickel(II) ions, while not affecting the extraction of cobalt(II) ions.

Key concepts: Tributyl phosphate, Phosphoric acid, Cobalt, Nickel, Extraction (chemistry), Chemistry, Phosphate, Inorganic chemistry

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The effect of tributyl phosphate on the extraction of nickel(ii) and cobalt(ii) ions with di(2-ethylhexyl)phosphoric acid. — Research Paper | ScholarLens