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Dispersive mixing in a batch electrophoretic cell with Eyring fluids
Maria A Bosse1, Samuel A Troncoso, Pedro E Arce
1Universidad Católica del Norte, Department of Chemical Engineering, Antofagasta, Chile.
Electrophoresis
|September 5, 2002
Summary
This study analyzes dispersive mixing in batch electrophoretic cells using non-Newtonian Eyring fluids. Results provide a design equation for optimizing mixing conditions and controlling solute motion.
Area of Science:
- Fluid dynamics
- Electrophoresis
- Non-Newtonian rheology
Background:
- Joule heating in electrophoretic cells causes dispersive mixing.
- Understanding mixing is crucial for optimizing solute transport and separation.
- Non-Newtonian fluids present unique challenges in electrophoretic systems.
Purpose of the Study:
- To analyze dispersive mixing in batch electrophoretic cells with non-Newtonian carriers.
- To develop an a priori design equation for controlling mixing.
- To investigate the influence of Eyring fluid properties on mixing.
Main Methods:
- Modeling solute motion using a species convective-diffusive equation.
- Coupling the hydrodynamic problem with the species equation.
- Employing an area-averaging method to derive an effective diffusion coefficient.
Main Results:
- An effective diffusion coefficient was obtained, enabling a priori design.
- The study provides insights into cell behavior under varying parameters.
- Eyring fluids demonstrate potential for controlling dispersive mixing.
Conclusions:
- Eyring fluids can be effectively used as carriers to control dispersive mixing.
- The derived design equation aids in optimizing batch electrophoretic cell performance.
- This research offers a new approach for designing electrophoretic devices.