Formation of Byproducts during Regeneration of Various Graphitic Adsorbents in a Batch Electrochemical Reactor
Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 32811
Formation of Byproducts during Regeneration of Various Graphitic Adsorbents in a Batch Electrochemical Reactor

Authors: S. N. Hussain, H. M. A. Asghar, H. Sattar, N. W. Brown, E. P. L. Roberts

Abstract:

A water treatment technology employing the adsorption of dissolved organic contaminants from water and their electrochemical regeneration has been commercialized by Arvia Technology Ltd, UK. This technology focuses the adsorption of pollutants onto the surface of low surface area graphite based adsorbents followed by the anodic oxidation of adsorbed species in an electrochemical cell. However, some of the adsorbed species may lead to the formation of intermediate breakdown products due to incomplete oxidation. The information regarding the formation of breakdown products during electrochemical regeneration of these adsorbents is important for the effective application of this process to water treatment. In the present paper, the formation of the break down products during electrochemical regeneration of various graphite based adsorbents has been demonstrated.

Keywords: Arvia®, Adsorption, Electrochemical Regeneration, Breakdown products.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1087740

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 1761

References:


[1] R. M. Narbaitz & J. Cen (1994). Electrochemical regeneration of granular activated carbon. Water Research, Vol. 28 (8) pp. 1771–1778.
[2] S. N. Hussain, E. P. L. Roberts, H. M. A. Asghar, A. K. Campen & N.W. Brown (2013) Oxidation of phenol and adsorption of breakdown products using a graphite adsorbent with electrochemical regeneration. Electrochimicaacta, Vol. 92 pp.20-30
[3] S. N. Hussain, H. M. A. Asghar, A. K. Campen, N. W. Brown & E. P. L. Roberts (2013) Break down products formed due to oxidation of adsorbed phenol by electrochemical regeneration of a graphite adsorbent. Electrochimicaacta. Doi: jelectacta.2013.03.017
[4] H. M. A. Asghar, E. P. L. Roberts, S. N. Hussain, A. K. Campen & N. W. Brown (2012) Wastewater treatment using adsorption and electrochemical regeneration using graphite based adsorbents. Journal of applied electrochemistry, Vol. 42(9) pp. 797-807
[5] H. M. A. Asghar, S. N. Hussain, E. P. L. Roberts, A. K. Campen& N. W. Brown (2013) Pre-treatment of adsorbents for wastewater treatment using adsorption coupled with electrochemical regeneration. Journal of industrial engineering and chemistry, doi: 10.1016/j.jiec 2013.02.007
[6] M. A. Maluleke, V. M. Linkov, Partial electrochemical oxidation of phenol on ceramic-based flat-sheet type electromembrane reactors, Separation and Purification Technology 32 (2003) 377.