Efisiensi Thermal Alat Economizer pada Pre-Treatment Section dalam Pengolahan Crude Palm Oil (CPO)

: In the CPO processing industry, the efficiency of the economizer plays a crucial role in enhancing production effectiveness. This study aims to analyze the performance of the economizer in transferring heat energy to the fluid flows of Crude Palm Oil (CPO) and Refined Bleached and Deodorized Palm Oil (RBDPO). The research method involved direct observation with measurements of temperature and fluid flow at PT XYZ. From these data, heat loss and thermal efficiency were calculated. The results showed temperature fluctuations in the inflow and outflow of CPO and RBDPO. These fluctuations can be affected by changes in the incoming fluid flow. Fluid flow entered CPO and RBDPO during the research period. The mass flow of RBDPO increased from 33,659.98 kg/hour to 36,720 kg/hour, while CPO's flow peaked at 37,280 kg/hour. The thermal efficiency of the Economizer HE-T521A has an average value of 89.45%. The highest thermal efficiency was achieved on February 22, 2023, reaching 91.09%, while the lowest value occurred on February 24, 2023, amounting to 88.58%. Even though the thermal efficiency is below the design target of 94%, this economizer still provides relatively good thermal efficiency. The results of this study can be used as a basis for further improvement and monitoring to increase the tool's thermal efficiency according to the expected design.