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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2008, Volume 59, Issue 4,

https://doi.org/10.37358/RC.08.4.1791

Ligia Stoica, Adriana Irimia, Gabriela Carmen Oproiu, Viorel Ordeanu

Kinetic Modelling of As(V) Separation by Dissolved Air Flotation

Abstract:

The optimization of arsenic separation by dissolved air flotation requires thoughtful consideration of the kinetics of the process. The overall flotation complexity, determined by several primary simultaneous and succesive micro-processes developed in space and time, chemical factors, hydrodynamic and mass transfer factors, is limiting the kinetic approach to estimate the overall order of the process and the overall rate constant, by analogy with chemical reaction kinetics. Kinetic modelling on different ore flotation models and interpretation of statistical fitting parameters were performed in order to establish the validity of the semi-empirical models for experimental data of the studied system.

Keywords:
arsenic separation; flotation; kinetic parameters; kinetic flotation models

Issue: 2008, Volume 59, Issue 4
Pages:
Publication date: 2008/5/9
https://doi.org/10.37358/RC.08.4.1791
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