A study of the pollution of the Aries River (Romania) using capillary electrophoresis as analytical technique |
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| Authors: | F L Forray D K Hallbauer |
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| Institution: | (1) Department of Mineralogy, Babes-Bolyai University, M. Kogalniceanu No. 1, 3400 Cluj-Napoca, Romania e-mail: forray@bioge.ubbcluj.ro, RO;(2) Terra Sounding and Analytical (Pty) Ltd., P.O. Box 2142, Somerset West, 7129. RSA or Department of Geology, University of Stellenbosch, Private Bag X1, Matieland 7602, RSA, ZA |
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| Abstract: | This paper examines two issues, the extensive pollution occurring in the Aries River, NW Romania, as a result of unchecked
discharge of mining effluents into the river system, and the suitability of capillary electrophoresis (CE) as an analytical
method for investigations into water chemistry. The results confirm the first objective by providing details on the pollution
of the Aries River and its geochemical system and demonstrate the usefulness of CE. In its upper reaches, the river system
is characterized by high contents of SO4
2– as a direct result of acid mine effluents and the oxidation of sulphide minerals on mine dumps as well as inflows from settling
ponds. Although continuous dilution by natural branch waters and natural water-rock interaction reduces the pollution to some
extend, the total level of SO4
2– remains above European averages. The waters of the Aries River, by comparison, contain contents of Cu2+ and Zn2+ up to 100 times higher than those of unpolluted river water.
Received: 1 November 1999 · Accepted: 3 April 2000 |
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| Keywords: | Aries River Capillary electrophoresis Mining effluent Romania |
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