Penerbit: Department of Physics, Faculty of Mathematics and Natural Science, University of Lampung
P-ISSN: 2747-2043
E-ISSN: 2747-299X
DOI: 10.23960/jemit
Fakultas Matematika dan Ilmu Pengetahuan Alam Fisika dan Astronomi Arsitektur
Artikel (116)
Production of Nanocellulose from Kepok Banana Peel Waste Using Acid Hydrolysis Method
Putri, Faradilla Nabila, Manurung, Posman, Suciyati, Sri Wahyu
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
Effect of Variation of Concentration of Ketapang (Terminalia Catappa) Fruit Extract on The Corrosion Rate of ASTM A36 Iron
Prabowo, Ocean, Syafriadi, Syafriadi, Suka, Ediman Ginting
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 Effect of Immersion Time on Corrosion Rate on St37 Carbon Steel in 3% NaCl Corrosive Medium Using Waru Leaves Extract Inhibitor
Sinaga, Fredison Dian , Suka, Ediman Ginting, Karo, Pulung Karo
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
Smart Green Box Trash Design Based on HC-SR04 Sensor Arduino Uno Integrated
Dika, Mahardika Setiawan, Suciyati, Sri Wahyu, Supriyanto, Amir
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
Analysis of the Effects of CO2, H2S Composition, and Temperature on Steam Towards Corrosion Rate in Geothermal Power Plants
Firdaus, muhammad Rafsya , Hidayati, Noor, Ekayuliana, Arifia
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
The Influence of Heatmap Correlation-based Feature Selection on Predictive Modeling of Low Alloy Steel Mechanical Properties Using Artificial Neural Network (ANN) Algorithm
Leni, Desmarita, Sumiati, Ruzita , Adriansyah
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
Extraction of Nanocellulose from Softwood Pine (Pinus merkusii) using Acid Hydrolysis Method
Anggraini, Anisyah, Manurung, Posman , Suciyati, Sri Wahyu
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 144 - 151 | 2023
The Microbial Fuel Cell Characteristics of the PVA/Chitosan Membrane with Variations of Phosphate Acid and Sodium Alginate Derived from Vegetable Waste
Nugraha, Iqbal Adi, Supriyanto, Amir, Pauzi, Gurum Ahmad
Microbial Fuel Cell (MFC) is one of the alternative energy sources as a producer of vegetable waste. The membrane that is commonly used in the MFC system is the Nafion membrane, but it is expensive and must be imported. PVA membrane and chitosan are an alternative substitute for Nafion membrane. The...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 136 - 143 | 2023
Design of a Classroom Noise Monitoring Tool Using a KY-037 Sound Sensor Based on Wemos D1R1
Rifqah, Raden Ayu Nurfadhillah, Suciyati, Sri Wahyu, Surtono, Arif
The noise level in the room is one of the factors that can influence teaching and learning activities. Research on classroom noise levels has been done using the Wemos D1 R1-based KY-037 sound sensor. This research aims to determine the noise level in the classroom and be able to monitor the noise l...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 125 - 135 | 2023
The Effect of Variation of Corn Comb Fiber Composition on The Physical Properties of Biofoam with The Addition of Aerogel Silica
Widiastuti, Tiara, Marjunus, Roniyus, Riyanto, Agus
Styrofoam has many negative impacts because it harms health, pollutes the environment, and cannot decompose in nature. Efforts have been made to develop biofoam derived from natural kinds of stuff to reduce the harmful effects of styrofoam. So that they are safer and do not pollute the environment. ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 2 (2023): Journal of Energy, Material, and Instrumentation Technology; 80-88 | 2023