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POLYELECTROLYTE [1 record]

Record 1 2015-12-01

English

Subject field(s)
  • Electrochemistry
  • Electrolysis (Electrokinetics)
DEF

Those polymers having ionized groups, some types of which are used for coagulating colloidal particles and/or flocculating suspended solids.

CONT

Chemical conditioning with polyelectrolytes ... Polyelectrolytes are mainly used before centrifugation and before the sludge is run through a large-mesh filter belt (belt-press filter for example).

OBS

polyelectrolytes: term and definition standardized by ISO.

Key term(s)
  • polyelectrolyte

French

Domaine(s)
  • Électrochimie
  • Électrolyse (Électrocinétique)
DEF

Polymères ayant des groupes ionisés et dont certains sont utilisés pour la coagulation de particules colloïdales et/ou la floculation des matières en suspension.

CONT

Le conditionnement chimique par polyélectrolytes conduit à la formation de flocs volumineux [Les] polyélectrolytes sont surtout utilisés avant centrifugation et avant passage sur toile filtrante à larges mailles (filtres à bande presseuse par exemple).

OBS

polyélectrolytes : terme et définition normalisés par l'ISO.

Key term(s)
  • polyélectrolyte

Spanish

Campo(s) temático(s)
  • Electroquímica
  • Electrólisis (Electrocinética)
DEF

Polímeros que tienen grupos ionizados, algunos de los cuales se usan para la coagulación de partículas coloidales y/o para la floculación de sólidos suspendidos.

Key term(s)
  • polielectrólito
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