Recovery of copper using an electro MP - Cell operated in an electrogenerative mode

Suganty Kanapathy, Norita Mohamed

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The electro MP - Cell operated in a batch recycle mode was used for the removal of copper in metallic form from aqueous solutions. The cell was modified to enable its use in an electrogenerative mode where a spontaneous chemical reaction occurred between the copper/zinc couple without the need for an external power supply. The cell used was a single compartment cell with two conventional electrodes, separated by a membrane and connected by a conducting wire to complete the circuit. Acidic copper(II) sulfate solution was used as catholyte and sodium chloride solution was used as anolyte. The performance of the proposed system was evaluated by examining the catholyte flow rate, initial copper(II) concentration, type of electrode material used, sulfuric acid concentration and anolyte concentration. The rate of recovery was found to be dependent on the parameters studied. Results have shown that this system was able to recover 99.91 ± 0.03% of copper from 500 mg L-1 of acidic copper solution at a flow rate of 1000 mL min-1 within 3.5 h operation. The MP - Cell with graphite as a cathode, zinc as an anode and anion exchange membrane (Neosepta AM-1) was proposed as the most efficient system in recovering copper.

Original languageEnglish
Pages (from-to)279-284
Number of pages6
JournalSeparation and Purification Technology
Volume118
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Copper
Recovery
Zinc
Flow rate
Copper Sulfate
Membranes
Electrodes
Graphite
Sodium Chloride
Sodium chloride
Anions
Sulfuric acid
Chemical reactions
Anodes
Cathodes
Ion exchange
Wire
Negative ions
Networks (circuits)

Keywords

  • Batch recycle
  • Copper
  • Electrogenerative mode
  • Single compartment cell

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation

Cite this

Recovery of copper using an electro MP - Cell operated in an electrogenerative mode. / Kanapathy, Suganty; Mohamed, Norita.

In: Separation and Purification Technology, Vol. 118, 2013, p. 279-284.

Research output: Contribution to journalArticle

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