ENERGY PINCH ANALYSIS OF PALM OIL MILL

SHAMMINI, M. DORAISAMY (2018) ENERGY PINCH ANALYSIS OF PALM OIL MILL. [Final Year Project Report] (Unpublished)

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Abstract

Process industries have always been proving the world that energy wastage leads to loss of profits as the cost of energy is very significant as much as the operating cost and the process cost. Increase in the future demands for vegetable oil also leads to the increase in the factors such as palm plantation area, crude palm oil production, contribution in economic sector of Malaysia, utilities used to run the production and the energy consumption. Since it is well known that energy wastage would lead to loss of profit, this research is conducted to reduce and conserve the energy consumption at its optimal level. In order to achieve the major aim of this research, three objectives are drawn as an aiding guideline to be achieved throughout the project. To achieve the objectives of this research, Microsoft Excel was used to develop the mass and energy balance of the overall palm oil mill and Optimal Heat software was used to perform energy pinch analysis as well as to develop heat exchanger network diagrams for each possible case of pinch analysis. The reason for this approach to be chosen is that, heat exchanger network design is the direct optimization method which had been adapted from pinch analysis itself. Based on the pinch analysis, the maximum amount of energy that can be recovered is about 394825.87 kJ/h and in order to recover such amount of energy the best case of energy pinch analysis among all cases is Case 7. The energy saving that can be done upon the total Qsupply is about 26.51% where by saving 394825.87 kJ/h, the new Qsupply would be 1094616.47 kJ/h. Thus, it does proves that the energy consumption can be reduced by the range of 15% to 35% with the application of pinch technology in the chemical industries.

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