Abstract
Abstract The separation of particles from liquids represents a cross-sectional technology, which touches nearly every industrial process, our personal life and the environment. It is obvious, that very different separation principles and a huge variety of highly specialized apparatuses are needed to solve all separation problems in such different areas of application. Looking to the history of apparatus development one can observe several interesting analogies to evolutionary processes in biology. Motivation for development of new separation technology normally is a preferably urgent need to solve a separation problem and the pressure to be successful on the market. To be successful a new concept must offer advantages in comparison to competing solutions. In contrast to nature the creative “genius” of the engineer in combination with advanced knowledge makes new developments more targeted and faster. Some evolutionary aspects of separation technology will be discussed in the example of filters and centrifuges. According to actual trends latest developments are demonstrated and some future prospects are pointed out.
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