The flocculation of paint wastewater using inorganic salts

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dc.contributor.author Fasemore, Olufemi Alexander
dc.date.accessioned 2006-02-14T08:54:16Z
dc.date.available 2006-02-14T08:54:16Z
dc.date.issued 2006-02-14
dc.identifier.uri http://hdl.handle.net/10539/184
dc.description Master of Science in Engineering - Engineering en
dc.description.abstract Wastewater is generated in the production of water-based paints when vessels and filling lines are washed in between batches. This results in a dilute paint wastewater stream. This dissertation concerns the study of the treatment of wastewater, using flocculation and coagulation processes. Standard jar test were used in screening the flocculants. The inorganic flocculants used were ferric chloride (FeCl3) and aluminium sulphate (Al2(SO4)3) A thermodynamic model is developed for understanding the coagulation and flocculation process for inorganic flocculants. Properties such as the effect of bulk concentration, pH and feed concentration of flocculant on wastewater were investigated. The impact of kinetics and other properties such as the influence of redox potential on flocculation experiments are also evaluated in order to have an understanding of the properties that influence the flocculation of wastewater. It was found that thermodynamics could be used to predict gross flocculation behaviour. However mixing and the rate of the nucleation and growth of flocs are also important and need to be controlled for efficient and reproducible flocculation. en
dc.format.extent 758408 bytes
dc.format.mimetype application/pdf
dc.language.iso en
dc.subject salts en
dc.subject inorganic en
dc.subject wastewater en
dc.subject Paint en
dc.subject flocculation en
dc.title The flocculation of paint wastewater using inorganic salts en
dc.type Thesis en


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