Two ways of networking microseparators to almost completely separate, for example, hydrogen from a mixture are proposed. Each separator has two outlets for slightly higher and lower concentrations, whose diff erence is modeled by a quadratic map of the average concentration at its inlet. In the continuum, the networks are governed by the Burgers equation or its variant with no-flux boundary conditions. The initial boundary value problem is exactly solvable. A family of equilibria are global attractors. The target component is shown to be extracted from one side of a stationary shock. Microdevices for testing the idea are also proposed.
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