Use of activated carbon to polish effluent from metalworking treatment plant: Comparison of different streams

Nidal Hilal, Gerald Busca, Fernando Rozada, Nick Hankins

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The treatment of waste metalworking fluids produces an aqueous phase which exhibits a high Chemical Oxygen Demand (COD) and which contains toxic components. In this work, the treatment plant includes ultrafiltration and nanofiltration membranes followed by a bioreactor and a microfiltration system. The product is a clear yellow aqueous phase containing residual levels of COD. Activated carbon is used in this work to eliminate residual dissolved organic compounds remaining after the treatment plant. Activated carbon treatment is tested at three different stages: after nanofiltration, to treat a nano-permeate; after the bioreactor, to treat bio-permeate containing biological materials; and finally after microfiltration, to treat the bio-permeate without microorganisms. The efficiency of activated carbon after each stage is studied and the results are compared. The adsorption experiments were carried out in two modes. Firstly, a batch system was used to investigate the adsorption capacity of the adsorbent and fit model isotherms. Secondly, fixed continuous systems were set-up, and the feasibility of a real treatment of such effluents was assessed.

Original languageEnglish
Pages (from-to)297-306
Number of pages10
JournalDesalination
Volume185
Issue number1-3
DOIs
Publication statusPublished - 22 May 2005
Externally publishedYes

Fingerprint

Industrial Oils
Microfiltration
Chemical oxygen demand
Bioreactors
Activated carbon
activated carbon
Effluents
Activated carbon treatment
effluent
Adsorption
Nanofiltration membranes
chemical oxygen demand
bioreactor
Nanofiltration
Poisons
Ultrafiltration
Organic compounds
Microorganisms
Biological materials
Adsorbents

Keywords

  • Activated carbon
  • Biodegradation
  • Metalworking fluids
  • Nanofiltration
  • Ultrafiltration

ASJC Scopus subject areas

  • Filtration and Separation

Cite this

Use of activated carbon to polish effluent from metalworking treatment plant : Comparison of different streams. / Hilal, Nidal; Busca, Gerald; Rozada, Fernando; Hankins, Nick.

In: Desalination, Vol. 185, No. 1-3, 22.05.2005, p. 297-306.

Research output: Contribution to journalArticle

Hilal, Nidal ; Busca, Gerald ; Rozada, Fernando ; Hankins, Nick. / Use of activated carbon to polish effluent from metalworking treatment plant : Comparison of different streams. In: Desalination. 2005 ; Vol. 185, No. 1-3. pp. 297-306.
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