Abstract
The continuous removal of toxic hexavalent chromium from contaminated solutions by means of a graphite felt based electrochemical column was studied. The process is based on an in situ generation of appropriate pH gradients which allows both rapid reduction to Cr3+ and its precipitation within the electrode bed. Conditions for the attainment of low (<25 p.p.b.) effluent concentrations as well as longitudinal concentration distribution of the precipitate and maximum loading capacities are presented. Treatment schemes involving two separate columns or a dual function column are also discussed.
Original language | English |
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Pages (from-to) | 734-739 |
Number of pages | 6 |
Journal | Journal of Applied Electrochemistry |
Volume | 21 |
Issue number | 8 |
DOIs | |
State | Published - 1 Aug 1991 |
Externally published | Yes |
ASJC Scopus subject areas
- Chemical Engineering (all)
- Electrochemistry
- Materials Chemistry