Combustion occurs when the required condition are met as known as the fire triangle, such as oxygen, heat and fuel. INTRODUCTION Combustion is a process of producing heat in the thermal industry. Key Words : Cogeneration Systems, Efficiency, Environment, Profit The utilization of the cogeneration system increased the furnace's biggest efficiency to 83.751% and the profit reached Rp. Based on observations for 5 days and calculations showed the highest combustion chamber efficiency of 77,643% which describes the combustion chamber still working passably, but still has the potential to be optimized through reusing heat flue gas with a cogeneration system using a Heat Exchanger as a Pre heater or as one of a source for heat in a hot spring. The study was carried out on the Box type furnace and using the Indirect method. This observation aims to determine the effect of the use of a cogeneration system on the stack gas to increase combustion efficiency, environmental safety and cost advantages in the thermal industry. The high temperature of flue gas is a bad risk for the environment. The highest energy loss in the combustion process is usually found in sensible flue gas heat. The use of high fuels results in massive industrial operating costs. Energy Losses resulting the fuel demand in considerable amount to achieve the desired operating conditions. But the higher the energy losses in combustion weigh the efficiency to be lower. The Effect of Cogeneration Systems on Gas Stack for Increasing Efficiency, Environmental Safety and Advantages of Costs in the Thermal Industry Fatma Cahyani1) Wahyu Triaji Rahadianto2) Fathona Saptara3) Department of Chemical Engineering, State Polytechnic of Sriwijaya, Indonesia Polsri Palembang Indonesia 30139, email: Abstrak : Combustion is a process of producing heat in the thermal industry. Persiapan Rekontruksi Teluk Palu Setelah Gempa dan Tsunami 28 September 2018ĮDLCs: Faktor Penting Dalam Desain dan KarakterisasiĪnalysis Improved for Food Functional Probiotic Solid State Fermentation Soybean Residues with Rhizopuz Oligosporus and Lactid Acid Bacteria Trends, Recent and Further Plans of Physical Activity and Sedentary Bahavior of Adolescents in Indonesia Challenges and Opportunities of Nursing Home in Indonesia Strategi Peramalan Untuk Peningkatan Performasi Jaring Interkoneksi Mahakam Tourist Behaviour in Creative Tourism: Empirical Study from Local Destination
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