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Keywords = Transport kinetics of chromium(III)

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12 pages, 270 KiB  
Article
Kinetics of Chromium(III) Transport Through a Liquid Membrane Containing DNNSA as a Carrier
by Paweł Religa, Roman Gawroński and Paweł Gierycz
Int. J. Mol. Sci. 2009, 10(3), 964-975; https://doi.org/10.3390/ijms10030964 - 9 Mar 2009
Cited by 16 | Viewed by 10552
Abstract
Kinetics of Cr(III) ions transport through a bulk liquid membrane containing dinonylnaphthalenesulfonic acid (DNNSA) as a carrier, flowing over aqueous phases, has been examined. Special attention has been paid to the effect of the membrane’s velocity flow on the chromium concentration decrease in [...] Read more.
Kinetics of Cr(III) ions transport through a bulk liquid membrane containing dinonylnaphthalenesulfonic acid (DNNSA) as a carrier, flowing over aqueous phases, has been examined. Special attention has been paid to the effect of the membrane’s velocity flow on the chromium concentration decrease in a feed phase. For the description of relationships of chromium(III) concentration in particular phases with the time, a model based on the assumption of consecutive first-order reactions was proposed. Satisfactory compatibility of experiments and model results have been obtained both for the membrane flow velocities below 0.0034 m·s-1 when the interfaces begin to fluctuate slightly and for low initial Cr(III) concentration in the feed phase. Full article
(This article belongs to the Section Green Chemistry)
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