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Combined coagulation flocculation pre treatment unit for municipal wastewater
Journal of Advanced Research. 2012; 3 (4): 331-336
in English | IMEMR | ID: emr-150816
ABSTRACT
The potentials of using the hydraulic technique in combined unit for municipal wastewater treatment were studied. A combined unit in which processes of coagulation, flocculation and sedimentation, has been designed utilizing hydraulic mixing instead of mechanical mixing. Ajar test treatability study has been conducted to locate the optimum dose of the coagulants to be used. Alum, ferrous sulfate, ferric sulfate, a mixture of ferric and ferrous sulfates, and mixture of lime and ferrous sulfate were all tested. A pilot unit was constructed in the existing wastewater treatment plant at El Mansoura governorate located in north Egypt. The optimum dose of coagulants used in the combined unit gives removal efficiencies for COD, BOD, and total phosphorous as 65%, 55%, and 83%, respectively
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Index: IMEMR (Eastern Mediterranean) Main subject: Coagulants / Ferric Compounds / Ferrous Compounds / Fractionation, Field Flow / Alum Compounds / Wastewater Language: English Journal: J. Adv. Res. Year: 2012

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Index: IMEMR (Eastern Mediterranean) Main subject: Coagulants / Ferric Compounds / Ferrous Compounds / Fractionation, Field Flow / Alum Compounds / Wastewater Language: English Journal: J. Adv. Res. Year: 2012