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All Journal Jurnal Vokasi Mekanika Journal of Engineering Researcher and Lecturer
Dinul, Fadhilah Ikhsan
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Chemical Engineering, Chemistry & Bioengineering Education Engineering Mechanical Engineering

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Comparison of NaOH and Na2CO3 as absorbents for CO2 absorption in carbon capture and storage technology Dinul, Fadhilah Ikhsan; Nurdin, Hendri; Rahmadiawan, Dieter; Nasruddin; Laghari, Imtiaz Ali; Elshaarani, Tarig
Journal of Engineering Researcher and Lecturer Vol. 2 No. 1 (2023): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.043 KB) | DOI: 10.58712/jerel.v2i1.23

Abstract

CO2 gas is a greenhouse gas that causes global warming. Greenhouse gases are gases in the atmosphere that can absorb and reflect infrared radiation from the Earth's surface. Currently, the energy demand still depends on fossil fuels. On the other hand, CO2 emissions from burning fossil fuels continue to increase and contribute as greenhouse gases to the atmosphere. CO2 capture is an effort to reduce the burden of CO2 emissions into the atmosphere and is part of the Carbon, Capture, and Storage (CCS) protocol. The CO2 absorption process applied in the chemical industry is one of the CO2 absorptions using NaOH and Na2CO3 solutions as absorbents. This research aims to determine the effect of absorbent flow rate on the percentage of absorbed CO2. The method used in this research is the SLR (Systematic Literature Review) method to identify all available research. The absorbent flow rate variations used are 1 liter/minute, 1.5 liters/minute, 2 liters/minute, 2.5 liters/minute, and 3 liters/minute. The absorption process using NaOH absorbent is capable of absorbing CO2 gas with a maximum absorption of 95.52% and a minimum of 79.14%. Meanwhile, in the Na2CO3 absorbent, it is capable of absorbing CO2 gas with a maximum amount absorbed of 72.45% and a minimum of 35.47%.
Analisis Aerodinamika Rancangan Body Kendaraan Prototype Bermesin Diesel Menggunakan ANSYS Fluent Dinul, Fadhilah Ikhsan; Putra, Randi Purnama; Refdinal, Refdinal; Qalbina, Fitrah
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 1 (2025): Jurnal Vokasi Mekanika
Publisher : Departemen Teknik Mesin Fakultas Teknik Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i1.780

Abstract

Transportation industry is the third largest energy consumer, the focus on energy saving in vehicles and reducing exhaust emissions is major concern. Aerodynamics is one of the important subjects in vehicle engineering today. The more aerodynamic the vehicle, the lighter the engine performance, which can reduce fuel usage. This study aims to examine the effect of vehicle body design on the value of drag coefficient (Cd), lift coefficient (), and the ratio between lift coefficient and drag coefficient (/Cd). The method in this research is a numerical method that utilizes the CFD feature in the Ansys Fluent 2024 R1. The drag coefficient value with a speed of 10 m/s is 0.0155, a speed of 20 m/s is 0.0110, and a speed of 30 m/s is 0.0083. While the value of the lift coefficient with a speed of 10 m/s is obtained worth 0.0177, a speed of 20 m/s worth 0.0358, and a speed of 10 m/s worth 0.0455. Then the vehicle body design obtained the value of the /Cd ratio with a speed of 10 m/s worth 1.1419, a speed of 20 m/s worth 3.2545, and a speed of 30 m/s worth 5.4819. The conclusion this research is that the design of the vehicle body has a drag coefficient value decreasing as the speed increases and conversely the lift coefficient value increases. Based on the /Cd ratio value, it indicates that the vehicle body design is an aerodynamic design because the higher /Cd ratio, the more efficient the vehicle performance.
Comparison of NaOH and Na2CO3 as absorbents for CO2 absorption in carbon capture and storage technology Dinul, Fadhilah Ikhsan; Nurdin, Hendri; Rahmadiawan, Dieter; Nasruddin; Laghari, Imtiaz Ali; Elshaarani, Tarig
Journal of Engineering Researcher and Lecturer Vol. 2 No. 1 (2023): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58712/jerel.v2i1.23

Abstract

CO2 gas is a greenhouse gas that causes global warming. Greenhouse gases are gases in the atmosphere that can absorb and reflect infrared radiation from the Earth's surface. Currently, the energy demand still depends on fossil fuels. On the other hand, CO2 emissions from burning fossil fuels continue to increase and contribute as greenhouse gases to the atmosphere. CO2 capture is an effort to reduce the burden of CO2 emissions into the atmosphere and is part of the Carbon, Capture, and Storage (CCS) protocol. The CO2 absorption process applied in the chemical industry is one of the CO2 absorptions using NaOH and Na2CO3 solutions as absorbents. This research aims to determine the effect of absorbent flow rate on the percentage of absorbed CO2. The method used in this research is the SLR (Systematic Literature Review) method to identify all available research. The absorbent flow rate variations used are 1 liter/minute, 1.5 liters/minute, 2 liters/minute, 2.5 liters/minute, and 3 liters/minute. The absorption process using NaOH absorbent is capable of absorbing CO2 gas with a maximum absorption of 95.52% and a minimum of 79.14%. Meanwhile, in the Na2CO3 absorbent, it is capable of absorbing CO2 gas with a maximum amount absorbed of 72.45% and a minimum of 35.47%.
Co-Authors Elshaarani, Tarig Fitrah Qalbina Laghari, Imtiaz Ali Nasruddin Nurdin Hendri Putra, Randi Purnama Rahmadiawan, Dieter Refdinal, Refdinal