Energy Requirements in Membrane Separation Processes

Due to a strong increase in the world’s population and a continuous growth of industrial productivity the world energy consumption continues to increase. On the other hand, the fossil energy resources such as oil, gas and coal are gradually exhausted. In order to secure the energy supply for the near future energy saving measures should be taken and the development of energy-saving technologies should be stimulated. In this respect membrane technology is an emerging technology with many prospects as an energy saving separation technology. In a number of classical separation techniques such as distillation, evaporation, refrigeration, condensation, a phase change occurs and the energy consumption is relatively high. Membrane technology is one of the new separation techniques with a relatively low energy consumption since no phase change takes place, except for pervaporation.

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