Capmix

Understanding the basic processes: Development of a theoretical process model

As there is a staggering amount of factors influencing the outcome of the capacitive mixing process, it is vital to have available a validated process, or design, model. Such a model can be a guide and aid to the experimental program and includes the various sub-elements of the technology. However, such a model is not yet available, which is due to the novelty and theoretical complexity of the proposed technology. This model is based on the fundamental physical-chemical processes underlying this technology; (i) ion migration and diffusional transport in the water channel, in the membranes, and in the electrode pores, (ii) double layer formation at the internal electrode surface, (iii) and Donnan potential development over an ion exchange membrane. The availability of this model can support the selection of materials, choice of electrode configuration and cell configuration as well as optimize cell operation.

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