colloids are small suspended particles in water which can not be settled or removed naturally due to their light weight and stability. these particles pose some degree of stability and cause water turbidity. there are some concerns regarding colloid removal efficiency in water treatment plants of iran. in this study, the effectiveness of aluminium sulfate and poly-aluminum chloride was evaluate...

Pulp and paper effluents are considered as serious environmental hazards and their treatment, because of multiplicity of impurities and complexity of their chemical structures, is one of the most difficult and inconvenient industrial processes. As the most pulp and paper mill work on kraft process, there are few studies in literature on the treatment of neural sulfite semi chemical (NSSC) p...

Hospital wastewater represents an infectious and toxic risk to human health the environment due its contents. Most hospitals in developing countries, including Benin, do not have a treatment plant. In this study, from two northern Benin was characterized then treated with Azadirachta indica leaves, Moringa oleifera Luffa cylindrica seeds by coagulation/flocculation process. The characteristics ...

It is an important criterion the choice of lighting technique for industrial applications in water purification. In article it was examined research methods coagulation and flocculation process. Today, improvement these techniques use flocculants coagulants, which speed up process flocculation, are relevant. were considered as coagulants sulfuric acid salts Al2(SO4)3 FeSO4. noted advantage over...