SYSTEM AND METHOD FOR MEASURING THE ZETA POTENTIAL OF SUSPENSIONS OF PARTICLES

The invention relates to a system for measuring the zeta potential of suspensions of particles as well as to a method for measuring the zeta potential of said suspensions. The invention comprises a porous medium (2), a movable sealed part (3) joined to a rotation mechanism (4) connected to a regulat...

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Bibliographische Detailangaben
Hauptverfasser:	MONTE LARA, CONCEPCION, TIJERO MIQUEL, JULIO, NEGRO ALVAREZ, CARLOS, BLANCO SUAREZ, MARIA ANGELES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a system for measuring the zeta potential of suspensions of particles as well as to a method for measuring the zeta potential of said suspensions. The invention comprises a porous medium (2), a movable sealed part (3) joined to a rotation mechanism (4) connected to a regulator device (5). In the pipe (1) are introduced two electrodes (6) connected to a signal processing (8) and amplifying (7) means, and a device (9) for measuring the charge loss. In such a way, when the suspension of particles circulates through the conduit, a fibre cake is formed on the porous medium whereby it is possible to determine the current potential and the charge loss generated. Once the measurement has been carried out, the porous medium is rotated so that the clarified solution entrains the cake formed, while a new measurement is taken. This system is particularly useful to study, inter alia, paper suspensions.