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Comparison of Three Aluminum Coagulants for Phosphorus Removal
Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, China
Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, China
Beijing Xingchuang Investment Company Limited, Beijing, China
Beijing Municipal Road & Bridge Corporation Limited, Beijing, China
- 1 Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, China
- 2 Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, China
- 3 Beijing Xingchuang Investment Company Limited, Beijing, China
- 4 Beijing Municipal Road & Bridge Corporation Limited, Beijing, China
Journal of Water Resource and Protection·Volume 06 (2014)·Pages 902–908·Published 28 July 2014·DOI10.4236/jwarp.2014.610085
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Abstract
That phosphorus has been removed more from water in purification process can result in higher grade of biological stability of the effluent tap water, especially for the water plant when using surface water source. This study conducted the experiments of phosphorus removal by three coagulants including aluminum chloride, aluminum sulfate and poly aluminum chloride. The results indicated that the poly aluminum chloride is the preferred one that could remove phosphorus up to 80%, followed by aluminum chloride and aluminum sulfate. The lowest proportion of aluminum quality to phosphorus quality is 63 as using poly aluminum chloride, followed by aluminum chloride and aluminum sulfate. It is suggested that the poly aluminum chloride should be the best option to remove phosphorus in water plant.
KeywordsAluminum ChlorideAluminum SulfatePoly Aluminum ChloridePhosphorus Removal
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