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All Journal Journal of Mechanical Science and Engineering AUSTENIT Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Indonesian Journal of Engineering and Science (IJES) SRIWIJAYA JOURNAL OF ENVIRONMENT Jurnal Pelita Sriwijaya
Riman Sipahutar
Lecturer Of Magister Program Mechanical Engineering, Sriwijaya University
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Other

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Journal : AUSTENIT

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STUDY OF EXHAUST GAS RESIDUAL HEAT CONVERSION HRSG PLTGU KERAMASAN TO ELECTRICAL ENERGY WITH GENERATOR THERMOELECTRIC TECHNOLOGY Firmansah, Hari; Bizzy, Irwin; Mataram, Agung; Sipahutar, Riman
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.6745

Abstract

The Heat Recovery Steam Generator (HRSG) is a combination of a Gas Power Plant (PLTG) and a Steam Power Plant (PLTU), this plant utilizes exhaust gas from the PLTG to produce steam as the working fluid in the PLTU. The residual heat from the heating process at the HRSG is channeled into the chimney, and the remaining heat from the exhaust gas can be converted into electrical energy with the Thermoelectric Generator (TEG) module. This research was carried out by installing the TEG module in series on the surface of the HRSG chimney wall, using laboratory scale measurements. The heat source uses a heater with a total power of 2,000 W. The research results show that the TEG module can convert the residual heat energy of the exhaust gas from the HRSG chimney into electrical energy. Four TEG modules mounted on the chimney surface can generate a voltage of 0.83 V and a maximum power of 2.79 mW. These results indicate that the TEG module is an opportunity to convert heat energy into electrical energy for further development.
ANALYSIS OF PARALLEL COUPLING OF CHLOR-ALKALI AND ALKALINE WATER ELECTROLYSIS PROCESS WITH COMBINE CATHODE FLUID CIRCULATION Pratama, Andri; Sipahutar, Riman; Bizzy, Irwin
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.7517

Abstract

Hydrogen is almost ideal fuel in reducing emissions without CO, CO2, SOX or NOX. Hydrogen can be used through the combustion or Fuel Cell processes so that emissions are low. One of the hydrogen production processes is through electrolysis, both Chlor-Alkali (CA) and Alkaline Water Electrolysis (AWE). Both processes contained a NaOH solution in the CA and catalyst results in AWE. In this test, a combination of CA and AWE processes will be carried out in the fluid circulation at the cathode of two processes. From this study it was found that there was an increase of 11 percent by weight of gas when CA and AWE cathode fluid were circulated in parallel compared to the CA and AWE processes respectively.
Co-Authors Agung Mataram Amir Arifin Amir Arifin Astuti - Dewi Puspitasari Diah K. Pratiwi Diah Kusuma Pratiwi Eka Utami, Nurhabibah Paramitha Ellyanie Ellyanie Firmansah, Hari Gunawan Gunawan Gustini, Gustini Hendri Chandra Herlin Sumarna HIDAYATI, BAITI Irwin Bizzy Irwin Bizzy Kaprawi Kaprawi Maemonah, Maemonah Marwani Marwani, Marwani Muhammad Faizal Muhammad Haviz Muhammad Taufik Toha Niharman Niharman Oki Alfernando Prakoso, Akbar Teguh Pratiwi, Diah K. Raden Mohamad Herdian Bhakti Rendy Wiseta Saputra, M. A. Ade Utama Putra, Risky Utami, Nurhabibah Paramitha Eka