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MEMBRANE BIOLOGIQUE [2 records]
Record 1 - internal organization data 2003-01-16
Record 1, English
Record 1, Subject field(s)
- Living Matter - General Properties
- Water Treatment (Water Supply)
Record 1, Main entry term, English
- biological membrane 1, record 1, English, biological%20membrane
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
The object of slow filtration is to purify surface waters without prior coagulation or sedimentation. The colloidal matter is coagulated by the enzymes secreted by algae and by microorganisms which are retained on the sand (biological membrane). 2, record 1, English, - biological%20membrane
Record 1, French
Record 1, Domaine(s)
- Propriétés générales de la matière vivante
- Traitement des eaux
Record 1, Main entry term, French
- membrane biologique
1, record 1, French, membrane%20biologique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
La filtration lente a pour but l'épuration des eaux de surface, sans coagulation ni décantation préalable. La coagulation des matières colloïdales est réalisée par les diastases secrétées par des algues et des micro-organismes qui se fixent sur le sable (membrane biologique). 2, record 1, French, - membrane%20biologique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Propiedades generales de la materia viva
- Tratamiento del agua
Record 1, Main entry term, Spanish
- membrana biológica
1, record 1, Spanish, membrana%20biol%C3%B3gica
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1975-03-11
Record 2, English
Record 2, Subject field(s)
- Water Treatment (Water Supply)
Record 2, Main entry term, English
- schmutzdecke 1, record 2, English, schmutzdecke
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
--a "dirty skin" or layer of flocculent material that forms on the surface of a sand filter. 1, record 2, English, - schmutzdecke
Record 2, French
Record 2, Domaine(s)
- Traitement des eaux
Record 2, Main entry term, French
- membrane biologique 1, record 2, French, membrane%20biologique
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
à la surface du filtre, l'eau dépose une couche d'impuretés dite -- dont l'activité microbienne intense contribue à améliorer le filtrage. 1, record 2, French, - membrane%20biologique
Record 2, Spanish
Record 2, Textual support, Spanish
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