Colloid Charge Capacity — Its Measurement, Problems and Promise

  • Roger M. Jorden
Conference paper

Abstract

The interfacial charge capacity of colloids (or CCC — colloid charge capacity) in water is potentially a “master” variable for dealing with numerous colloidal phenomena, especially dosage control in charge-neutralization coagulation. Colloid charge titration (CCT) analysis can quantify this important extensive charge property — distinct from zeta potential (ζ), the intensive expression of interfacial charge. The analysis involves titration of a colloid suspension with an oppositely charged, strongly binding polyion of known charge equivalence, past the charge-neutralization reaction equivalence point (i.e., zero point of charge or ζ = 0 mV) employing an appropriate endpoint detection method. The objectives of this article are to [1] explore the original dye based endpoint method by instrumental means and identify its capabilities and limitation, [2] review relevant literature to reconcile these findings with the “underwhelming” use of this otherwise promising technique, and [3] explore its potential in coagulation chemistry control.

Keywords

Clay Surfactant Sludge Zeolite Titration 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Roger M. Jorden
    • 1
  1. 1.Clear Corp, Inc.BoulderUSA

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