Correlation of CaCO3 induction times measured by an electrochemical technique

Irina Zaslavschi; David Hasson; Hilla Shemer; Raphael Semiat; Mark Wilf; Craig Bartels

doi:10.5004/dwt.2011.2394

Correlation of CaCO₃ induction times measured by an electrochemical technique

Irina Zaslavschi, David Hasson^*, Hilla Shemer, Raphael Semiat, Mark Wilf, Craig Bartels

^*Corresponding author for this work

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Induction time data in CaCO₃ precipitation were determined by an electrochemical technique. The alkaline environment surrounding the cathode surface promotes CaCO_s precipitation. The data were measured using simulated sea water solutions without the interfering presence of magnesium ions. The effect of current intensity on induction time was successfully correlated by a modified form of the classical nucleation equation. Data indicating the inception of precipitation by the first detectable decrease in solution concentration were also successfully correlated with a model based on population balance crystallization theory.

Original language	English
Pages (from-to)	59-63
Number of pages	5
Journal	Desalination and Water Treatment
Volume	31
Issue number	1-3
DOIs	https://doi.org/10.5004/dwt.2011.2394
State	Published - Jul 2011

Keywords

Electrochemical precipitation
Induction period
Population balance
Steady state nucleation

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abstract = "Induction time data in CaCO3 precipitation were determined by an electrochemical technique. The alkaline environment surrounding the cathode surface promotes CaCOs precipitation. The data were measured using simulated sea water solutions without the interfering presence of magnesium ions. The effect of current intensity on induction time was successfully correlated by a modified form of the classical nucleation equation. Data indicating the inception of precipitation by the first detectable decrease in solution concentration were also successfully correlated with a model based on population balance crystallization theory.",

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author = "Irina Zaslavschi and David Hasson and Hilla Shemer and Raphael Semiat and Mark Wilf and Craig Bartels",

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AU - Hasson, David

AU - Shemer, Hilla

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AU - Wilf, Mark

AU - Bartels, Craig

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N2 - Induction time data in CaCO3 precipitation were determined by an electrochemical technique. The alkaline environment surrounding the cathode surface promotes CaCOs precipitation. The data were measured using simulated sea water solutions without the interfering presence of magnesium ions. The effect of current intensity on induction time was successfully correlated by a modified form of the classical nucleation equation. Data indicating the inception of precipitation by the first detectable decrease in solution concentration were also successfully correlated with a model based on population balance crystallization theory.

AB - Induction time data in CaCO3 precipitation were determined by an electrochemical technique. The alkaline environment surrounding the cathode surface promotes CaCOs precipitation. The data were measured using simulated sea water solutions without the interfering presence of magnesium ions. The effect of current intensity on induction time was successfully correlated by a modified form of the classical nucleation equation. Data indicating the inception of precipitation by the first detectable decrease in solution concentration were also successfully correlated with a model based on population balance crystallization theory.

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KW - Population balance

KW - Steady state nucleation

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