Coagulation of natural organic matter in groundwater using aluminium salts

Karlovic, E. . Institut za hemiju; Dalmacija, B.; Zejak, J.; Bajevic, Lj.; Djeric, J.; Djuric, Z.

Coagulation of natural organic matter in groundwater using aluminium salts

1999

Removal of natural organic matter (NOM) from groundwater by aluminium sulphate and polyaluminium chloride (PACl) was investigated. The maximal decrease of UV absorbance at 254 nm was near 70%. Decrease of permanganate value about 50% was achieved by PACl coagulation. Similar effect can be achieved using 2.5 fold higher concentration of aluminium sulphate. Coagulation process at pH 5.5 was successful with 3-5 times less concentration of coagulant. The heterogenous composition of NOM in water had been changing by coagulation. The total trihalomethane formation potential is 50-60% lower in coagulated water. The greatest removal was success for chloroform precursors.

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Mots clés AGROVOC

eau souterraine groundwater organic matter purification de l'eau water purification yougoslavie yugoslavia

Informations bibliographiques

Editeur

Jugoslovensko drustvo za zastitu voda

D'autres materias

Matiere organique; Purificacion del agua; Materia organica; Aguas subterraneas

Langue

serbe

Note

Summaries (En, Sr)

5 tables; 4 ref.

Titre traduit

Koagulacija prirodnih organskih materija iz podzemne vode solima aluminijuma

Type

Summary; Conference

Source

Water pollution control '99: the 28th annual conference of Yugoslav Water Pollution Control Society. Conference proceedings, Milojevic, M. (Ed.).- Beograd (Yugoslavia): Jugoslovensko drustvo za zastitu voda, 1999. p. 309-312

Conférence

28. konferencija o aktuelnim problemima zastite voda "Zastita voda '99", Soko Banja (Yugoslavia), 12-15 Oct 1999

Sur AGRIS depuis: 2000-08-15

Format: AGRIS AP

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