Artikel (130)
Mixing solutions is an everyday activity performed in laboratory spaces. Mixing solutions manually by shaking is less effective, as it takes a long time and requires much effort. Therefore, an orbital shaker has been created to mix solutions with a digital unidirectional movement. This device is des...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 17-27 | 2024
The Plant Microbial Fuel Cell (PMFC) design using water hyacinth has been successfully created. The PMFC was then treated by varying the distance of the electrode and giving the effect of sunlight. The electrodes used are Cu-Zn pairs where the electrode distance varies, with values of 3, 6, 9, and 1...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 10-16 | 2024
Research has been carried out to analyze the effect of variations in silica concentration on the synthesis of γ-Al2O3. This research was conducted to determine the variation of Silica against the support γ-Al2O3which is the best as a hydrotreating catalyst in the green fuel indus...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 1-9 | 2024
This research was conducted to determine the effect of varying concentrations of Zn(NO3)2·6H2O (zinc nitrate hexahydrate) on functional groups, particle size, and particle morphology of ZnO nanoparticles using the green synthesis method using Moringa leaves. The materials was used in this study wer...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 117-124 | 2024
Research on the production of nanocellulose from kepok banana peel waste has been carried out using the Acid Hydrolysis method with H2SO4 Sulfuric Acid. This study aims to determine the effect of giving H2SO4 on kepok banana peels and the crystal structure and surface morphology of nanocellulose on ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 110-116 | 2024
The aim of this study was to investigate the influence of varying concentrations of Terminalia catappa fruit peel extract on the corrosion rate during immersion periods of 2 days, 4 days, and 6 days for ASTM A36 steel. The ASTM A36 steel specimens were immersed in a corrosive medium containing 2% Na...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 106 - 109 | 2024
The research of effect of immersion time on the corrosion rate of St37 carbon steel has been conducted in a 3% NaCl corrosive medium using a hibiscus leaves extract inhibitor. The samples of carbon steel St37 were immersed in a corrosive medium of NaCl 3% without being given and given the inhibitor ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 99 - 105 | 2024
This research has realized the design of a smart green trash box based on the HC-SR04 sensor, which is integrated with Arduino Uno. This research aims to design and build a digital instrumentation system based on Arduino Uno, applying Ultrasonic Sensors to the Green Box Trash System. In addition, th...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 89-98 | 2024
The corrosion in the steam line pipes at the Geothermal Power Plant is caused by acidic substances present in the steam, especially H2S and CO2, originating from the geothermal reservoir. During operation, this leads to thinning of the pipe walls, affecting the pipe's thickness. The purpose of this ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 163 - 168 | 2023
This study aims to evaluate the influence of heatmap correlation-based feature selection on predictive modeling of low alloy steel mechanical properties using an artificial neural network (ANN) algorithm. Heatmap correlation was used to determine the chemical elements most correlated to the low allo...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 152 - 162 | 2023