Comparison of coagulation and MIEX pre-treatment processes for bacterial and turbidity removal, utilizing real-time optical monitoring techniques

Jar testing and flow cytometry were used in conjunction with photometric dispersion analysis (PDA) to assess conventional alum coagulation with and without magnetic ion exchange (MIEX) pre-treatment for turbidity and bacterial removal capacity. Treatment assessment included powdered activated carbon...

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Veröffentlicht in:Environmental technology. - 1998. - 35(2014), 5-8 vom: 30. März, Seite 1038-45
1. Verfasser: Braun, K (VerfasserIn)
Weitere Verfasser: Cruaux, L, Fabris, R, Morran, J, Ho, L, Drikas, M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Comparative Study Journal Article Alum Compounds Water Pollutants, Chemical aluminum sulfate 34S289N54E Chlorine 4R7X1O2820 Carbon 7440-44-0
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245 1 0 |a Comparison of coagulation and MIEX pre-treatment processes for bacterial and turbidity removal, utilizing real-time optical monitoring techniques 
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520 |a Jar testing and flow cytometry were used in conjunction with photometric dispersion analysis (PDA) to assess conventional alum coagulation with and without magnetic ion exchange (MIEX) pre-treatment for turbidity and bacterial removal capacity. Treatment assessment included powdered activated carbon (PAC) and pre-chlorination of the MIEX-treated raw water. Floc particles were subjected to shear forces after settling and re-suspended to gauge bacterial release potential, floc breakage and re-aggregation. MIEX in conjunction with alum coagulation achieved improved coagulation as measured by PDA but did not increase bacterial log removal value (LRV) in comparison with conventional coagulation. Pre-chlorination and PAC addition were seen to improve bacterial removal and coagulation, respectively, but were less effective for bacterial LRVs when they were used in conjunction during coagulation 
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700 1 |a Ho, L  |e verfasserin  |4 aut 
700 1 |a Drikas, M  |e verfasserin  |4 aut 
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