Effect of aluminium sulphate aging on coagulation process for the Prut river water treatment
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POSTOLACHI, Larisa, RUSU, Vasile, LUPASCU, Tudor. Effect of aluminium sulphate aging on coagulation process for the Prut river water treatment. In: Chemistry Journal of Moldova, 2016, nr. 1(11), pp. 27-32. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2016.11(1).03
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Chemistry Journal of Moldova
Numărul 1(11) / 2016 / ISSN 1857-1727 /ISSNe 2345-1688

Effect of aluminium sulphate aging on coagulation process for the Prut river water treatment
DOI: https://doi.org/10.19261/cjm.2016.11(1).03
CZU: 543:504.453

Pag. 27-32

Postolachi Larisa, Rusu Vasile, Lupascu Tudor
 
Institute of Chemistry of the Academy of Sciences of Moldova
 
Disponibil în IBN: 11 iulie 2016


Rezumat

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. The aim of presented research was to highlight the infl uence of the aging of aluminium sulphate solution on the turbidity removal from water. Obtained results reveal that using of optimal aging solution of coagulant improves the coagulation process.

Cuvinte-cheie
coagulation, aging,

Jar-test, aluminium sulphate