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1. Transport phenomena
Refer to the symbols table opposite for definitions of symbols and their units.
1.1 Electrophoretic mobility
Consider a spherical ion i of radius r
i
immersed in an infinite volume of liquid. This ion, which has a surface charge Q
i
gives rise to a symmetrical charge distribution in the liquid. By linearizing the Poisson-Boltzmann equation, Debye and Hückel calculated the potential distributionΦ at any point outside the ion, located at a distance x
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Unit operations. Chemical reaction engineering
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Transport phenomena
From analytical to preparative: the problem of scaling up
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Various devices are available on the market, whose principle and operation have been described in the preceding paragraphs. Table 1 provides a non-exhaustive list of suppliers and the equipment they offer. For each device, the manufacturer generally has a large number of application...
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