Community Research and Development Information Service - CORDIS


Publishable final report of project JOE3-CT97-0062

This report presents the main results of an European project dedicated to the studies of multifunctional compact condensers in distillation processes. Process intensification is achieved by reducing the size of the equipment and increasing heat transfer, which lead to a higher heat recovery and lower energy consumption.
This project deals with compact condensers, under downward or reflux flows and their integration in process units. The aim of this project is to develop and promote the use of compact energy efficient condensers in the process industry by providing heat transfer characteristics, design data, identifying potential market and integrating the design code into a standard process simulation software.

The benefits of process intensification are energy saving, reduced capital cost, improved product quality and intrinsic safety for the process plant. Both systems � reflux and downward condensation � meet the requirements regarding heat exchanged and pressure drop. The predicted data were achieved. The needs in cooling water could be clearly reduced (more than 75 %). Compared to shell-and-tube heat exchangers, they show a significantly lower pressure drop. This means a reduction in energy for pumping the process flow and the refrigerant. The running cost analysis implies a decrease of the annual cost more than 65 %.

Overall it seems probable that an increasing use of compact heat exchangers leads to a durable reduction in capital and running costs in the chemical industry.

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