NickelMaghrebV1, Main, Exploration, bibRecord, 000571

Treatment characteristics of textile wastewater and removal of heavy metals using the electroflotation technique

Identifieur interne : 000571 ( Main/Exploration ); précédent : 000570; suivant : 000572

Treatment characteristics of textile wastewater and removal of heavy metals using the electroflotation technique

Auteurs : Merzouk Belkacem [Algérie] ; Madani Khodir [Algérie] ; Sekki Abdelkrim [Algérie]

Source :

Desalination : (Amsterdam) [ 0011-9164 ] ; 2008.

RBID : Pascal:08-0414357

Descripteurs français

Pascal (Inist)
- Eau usée industrielle, Industrie textile, Métal lourd, Electroflottation, Electrode, pH, Modélisation, Eau usée, DBO, DCO, Turbidité, Couleur, Ion métallique, Cinétique.
Wicri :
- topic : Industrie textile, Métal lourd, Eau usée.

English descriptors

KwdEn :
- Biological oxygen demand, Chemical oxygen demand, Color, Electrodes, Electroflotation, Heavy metal, Industrial waste water, Kinetics, Metal ion, Modeling, Textile industry, Turbidity, Waste water, pH.

Abstract

The present work experimentally studied the clarification ofwastewater using the electroflotation technique (EF) with aluminum electrodes. In the first part, we have studied the principal parameters (feed tension U, distance between electrodes D, period of treatment t, pH and conductivity κ) affecting the process using a simulated model of wastewater. The application of the optimized parameters (U = 20 V, D = 1 cm, t = 20 min) on an industrial wastewater derived from an Algerian velvet manufacture showed a high removal of biological oxygen demand after 5 days (BOD₅ = 93.5%), chemical oxygen demand (COD = 90.3%), turbidity (78.7%), suspended solids (SS = 93.3%) and color (>93%). In the second part, we have studied the separation of some heavy metal ions such as iron, nickel, copper, zinc, lead and cadmium. This allowed us to show that the kinetics of electroflotation is very quick <15 min), and the removal rate reaches 99%.

Affiliations:

Algérie

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000219
to stream PascalFrancis, to step Curation: 000222
to stream PascalFrancis, to step Checkpoint: 000205
to stream Main, to step Merge: 000587
to stream Main, to step Curation: 000571

Le document en format XML

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<front><div type="abstract" xml:lang="en">The present work experimentally studied the clarification ofwastewater using the electroflotation technique (EF) with aluminum electrodes. In the first part, we have studied the principal parameters (feed tension U, distance between electrodes D, period of treatment t, pH and conductivity κ) affecting the process using a simulated model of wastewater. The application of the optimized parameters (U = 20 V, D = 1 cm, t = 20 min) on an industrial wastewater derived from an Algerian velvet manufacture showed a high removal of biological oxygen demand after 5 days (BOD<sub>5</sub>
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Treatment characteristics of textile wastewater and removal of heavy metals using the electroflotation technique

Treatment characteristics of textile wastewater and removal of heavy metals using the electroflotation technique

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri