Effect of Aluminium Sulphate Aging on Coagulation Process for the Prut River Water Treatment

Aluminium sulphate is one of the most widely used coagulants for water treatment and has been proven to be an effective coagulant for the removal of certain contaminants, turbidity and colour. Aluminium sulphate used during the coagulation process is hydrolyzed in the water, forming polynuclear comp...

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Bibliographic Details
Published inChemistry journal of Moldova Vol. 11; no. 1; pp. 27 - 32
Main Authors Postolachi, Larisa, Rusu, Vasile, Lupascu, Tudor
Format Journal Article
LanguageEnglish
Published Academy of Sciences of Moldova, Institute of Chemistry 01.06.2016
Subjects
aging
aluminium sulphate
coagulation
Jar-test
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Summary:Aluminium sulphate is one of the most widely used coagulants for water treatment and has been proven to be an effective coagulant for the removal of certain contaminants, turbidity and colour. Aluminium sulphate used during the coagulation process is hydrolyzed in the water, forming polynuclear complexes. Aged aluminium solutions show different coagulation behaviour than that of freshly prepared solutions. Obtained results reveal that using of optimal aging solution of coagulant improves the coagulation process.
ISSN:1857-1727
2345-1688
DOI:10.19261/cjm.2016.11(1).03