Mon, 20 Nov 2017

Determination of Iron in Ferrochrome slag A Solvent Extraction study

A.V.L.N.S.H.Hariharan1*  Ch. Sudhakar1, B.Venkateswara Rao2

1 Department of Chemistry, GIT, GITAM University. Visakhapatnam – 530 045,India.

2 Department of  Engineering Chemistry, Andhra University. Visakhapatnam – 530 045,India.


ABSTRACT

Solvent extraction of iron (III) from hydrochloric, sulphuric, nitric and perchloric acid solutions with Tri-n-butylamine (TBuA) in benzene has been studied. The extractions are nearly quantitative from all the acid solutions. The optimum conditions for extraction were established from the study of the effect of several variables like concentration of amine, metal ion, acidity, foreign ions etc. Attempts are also made to strip iron from the organic phase with 1.0M H2SO4. The extracted species are identified.  The method has been applied for the determination of iron in tap water as well as ferrochrome slag.

Keywords: Solvent extraction -iron (III) - Mineral acid  - Tri-n- Butyl amine [TBuA]  - Slag


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