The thermodynamics investigation of steam power plant Riau Andalan Pulp and Paper Pangkalan Kerinci: An energy and exergy analysis.

The energy and exergy analysis of the Riau Andalan Pulp and Paper (RAPP) Pangkalan Kerinci are described in this article. This article's main goals are to study the system components independently and to locate and quantify the locations with the greatest energy and exergy losses. The analysis with the first law and second law of thermodynamics which are able to observe comprehensively the irreversibility of each component in the system is carried out due to the low efficiency of the steam power plant. The investigation is performed with the actual data obtained from the plant. From the evaluation results, the Pump II Component has the highest Exergetic Efficiency (95%), while the Feed Water Tank (FWT) component has the lowest Exergetic Efficiency (30.68%). The Boiler component has the largest exergy destruction value (454.2548 MW), while the Pump component has the smallest exergy destruction value (0.0006 MW). Next, the FWT component has the largest Exergy Destruction Ratio value (69.32%), while the Pump I component has the smallest Exergy Destruction Ratio (0.79%) at the steam power plant. In addition, the investigation of the ambient temperature effects on the performance of the plant was also carried out. From the results that have been investigated, the ambient temperature significantly affects the performance of each component. Some components are at their best performance when the ambient temperature reaches 23°C and the condenser has the lowest efficiency when the environmental pressure in the power plant reaches 1.5 bar (64.8%) [ABSTRACT FROM AUTHOR]