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Removal of hardness from groundwater by nanofiltration

Schaep, J. / Bruggen, B. van der / Uytterhoeven, S. / Croux, R. / Vandecasteele, C. / Wilms, D. / Houtte, E. van / Vanlerberghe, F.

In this paper the softening of groundwater with drinking-water quality using nanofiltration is studied. Experiments were carried out with three commercial nanofiltration membranes. The UTC 20 membrane was chosen for further experiments. The influence of water temperature was studied on both permeate flux and ion retention. Also, the effect of a higher recovery was studied: experimental and predicted values were compared for recoveries of 0 to 70%. Finally, experiments were carried out to study membrane fouling. The use of hydrochloric and sulphuric acid was compared and the effect of an ultrafiltration pretreatment on the water flux was examined.

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Removal of hardness from groundwater by nanofiltration

Schaep, J. / Bruggen, B. van der / Uytterhoeven, S. / Croux, R. / Vandecasteele, C. / Wilms, D. / Houtte, E. van / Vanlerberghe, F.

In this paper the softening of groundwater with drinking-water quality using nanofiltration is studied. Experiments were carried out with three commercial nanofiltration membranes. The UTC 20 membrane was chosen for further experiments. The influence of water temperature was studied on both permeate flux and ion retention. Also, the effect of a higher recovery was studied: experimental and predicted values were compared for recoveries of 0 to 70%. Finally, experiments were carried out to study membrane fouling. The use of hydrochloric and sulphuric acid was compared and the effect of an ultrafiltration pretreatment on the water flux was examined.

Removal of hardness from groundwater by nanofiltration

Schaep, J. / Bruggen, B. van der / Uytterhoeven, S. / Croux, R. / Vandecasteele, C. / Wilms, D. / Houtte, E. van / Vanlerberghe, F.

In this paper the softening of groundwater with drinking-water quality using nanofiltration is studied. Experiments were carried out with three commercial nanofiltration membranes. The UTC 20 membrane was chosen for further experiments. The influence of water temperature was studied on both permeate flux and ion retention. Also, the effect of a higher recovery was studied: experimental and predicted values were compared for recoveries of 0 to 70%. Finally, experiments were carried out to study membrane fouling. The use of hydrochloric and sulphuric acid was compared and the effect of an ultrafiltration pretreatment on the water flux was examined.

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Title:

Removal of hardness from groundwater by nanofiltration

Contributors:

Schaep, J. (author) / Bruggen, B. van der (author) / Uytterhoeven, S. (author) / Croux, R. (author) / Vandecasteele, C. (author) / Wilms, D. (author) / Houtte, E. van (author) / Vanlerberghe, F. (author)

Published in:

Conference on Membranes in Drinking and Industrial Water Production, 1998 ; 295-302

Desalination ; 119

Publication date:

1998

Size:

8 Seiten, 2 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0011-9164(98)00172-6

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Filtration , Grundwasser , Trinkwasser , Ultrafiltration , Salzsäure , Schwefelsäure , Temperatureinfluss , Membran , Verschmutzung , Volumenstrom , Kolmatierung , Wasserenthärtung , Nanofiltration , Wasserqualität

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