International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Exergy Analysis of Boiler System Fueled by Palm Shell and Palm Fiber in Medium-Scale Palm Bunch Processing Capacity to Become Crude Palm Oil

Abstract

Boiler is one of the important components in meeting the steam needs of a production process in industry. Increasing boiler efficiency requires precision of thermodynamic characteristics and performance. This can be reviewed more completely with exergy analysis. Exergy analysis is needed to determine the amount of work loss in a machine or system. In the calculation of exergy, heat capacity data is needed. Therefore, the mass entering the boiler from the fuel is in the form of chemical compounds, so to calculate the heat capacity, calculations need to be made based on the chemical substances contained in the compound. The analysis that will be carried out in this study is to provide resources and energy utilization in the boiler system so that the mass, energy, and exergy balance values can be determined. Based on the calculation results, the boiler efficiency value is 68.71. For the heat efficiency values of 98.59%, 86.97%, and 52.83%. The efficiency of the Second Law of Thermodynamics is 16.81%, 21.21%, with a heat interaction effectiveness value of 0.005% while the exergy efficiency value is 85.51% with an exergetic efficiency value of 97.09% and 17.86%. To optimize the performance of the boiler work system, it can be done by increasing the combustion air temperature which is attempted as high as possible by operating the kiln close to maximum capacity (60% -90%).

Country : Indonesia

1 Daniel Pasaribu2 Muhammad Nur3 Muchammad

  1. Master of Energy, Graduate School, Diponegoro University, Semarang, Indonesia
  2. Professor, Department of Physics, Diponegoro University, Semarang, Indonesia
  3. Professor, Department of Mechanical Engineering, Diponegoro University, Semarang, Indonesia

IRJIET, Volume 9, Issue 5, May 2025 pp. 388-393

doi.org/10.47001/IRJIET/2025.905043

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