The use of pulsed perforated plate extraction column for recovery of sulphuric acid from copper tank house electrolyte bleeds

In this investigation the use of a pulsed perforated plate extraction colum n is considered for the recovery of sulphuric acid from copper tank house e lectrolyte bleed using a solvent extraction process based on tris(2-ethylhe xyl)amine, TEHA. The hydrodynamic and mass transfer performance of the extr action column is presented and forms the basis for scale up. The results of the pilot plant experiments have demonstrated the viability of operating t he acid recovery process using a pulsed perforated plate column. (C) 2000 E lsevier Science B.V. All rights reserved.