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Satera: Jurnal Sains dan Teknik Terapan
Published by Akademi Komunitas Industri Manufaktur Bantaeng
ISSN : -     EISSN : 30253551     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Electrical & Electronics Engineering Materials Science & Nanotechnology
SATERA: Jurnal Sains dan Teknik Terapan is a multidisciplinary research journal that serves as a platform for the dissemination of cutting-edge scientific and technological advancements. The journal aims to publish high-quality, original research articles, reviews, and case studies that contribute to the practical applications of science and engineering across various fields. The journal fosters collaboration and knowledge exchange among experts in applied science and engineering, aiming to bridge the gap between theoretical knowledge and real-world applications. SATERA: Jurnal Sains dan Teknik Terapan receives manuscripts encompass a broad range of research scope in applied science and engineering such as (but not limited to): - Applied Science: The journal publishes research findings related to applied sciences, including physics, chemistry, biology, material sciences, and computational sciences. It encourages studies that demonstrate the practical implications of scientific knowledge in real-world scenarios. - Applied Engineering: The journal covers various branches of engineering, such as civil, mechanical, electrical, chemical, industrial, and environmental engineering. It focuses on practical applications, innovation, and technological advancements in these fields. - Technology and Innovation: the journal highlights research that explores technological advancements and innovative solutions in areas like information technology, telecommunications, biotechnology, nanotechnology, robotics, and automation. - Interdisciplinary Studies: The journal welcomes interdisciplinary research that integrates knowledge from different fields of science and engineering, leading to practical applications and advancements in multiple areas.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 27 Documents
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Amount of Frictional Force of Steel Rope Against The Bollard Due To The Loading In The Process of Towing Lorry at PT. XYZ Darmadi, Herry; Irwansyah, Irwansyah; Kurnia, Dian; Hidayat, Rendy Ardian
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Bollard is a piece of equipment found at the fruit receiving station which has the working principle of turning the steel wire rope and holding it in the process of pulling the lorry to be put into the sterilizer, to move the lorry to each door, the loading ramp is pulled by a capstand using a steel wire rope attached to it. to the bollard as a support and deflector so that the lorry can move forward and backward. The event that occurs as a result of pulling a lorry using a sling is an event where friction forces occur, and the friction that occurs on the bollard is caused by the presence of two objects in contact with a normal load. In this study, the value of the friction force that occurs on the steel wire rope against the bollard is calculated. From the research results, it was concluded that the amount of frictional force that occurs on the steel wire rope against the bollard when under load is influenced by the capstand speed which is quite low due to the load condition of 173,850 kg m/s². Meanwhile, the magnitude of the frictional force that occurs in the steel wire rope against the bollard under no-load conditions is influenced by the faster pulling speed, so the friction force value is 116,850 kg m/s²
A Study on The Effectiveness of Bentonite Adsorbent in Reducing Pb Metal Levels in Used Lubricating Oil Satoding, Gain Allegra; Ardiansah, Ardiansah; Albar J, Muh. Azis; Sumbung, Jony
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Used lubricating oil contains contaminants that can pollute the environment if not managed properly. One of the contaminants contained in it is heavy metals. Adsorption using adsorbent materials such as bentonite has become one of the commonly used methods for removing contaminants in used lubricating oil. Bentonite is a clay that is good for use as an adsorbent for heavy metals because it has large enough particles that are good for absorbing them. However, the effectiveness of bentonite adsorption can be influenced by the mass of bentonite used in the process. This research aims to determine the effectiveness of the influence of bentonite mass on reducing Pb metal in lubricating oil using HCl-activated bentonite. The research results show that increasing the mass addition of bentonite can increase the effectiveness of adsorption and the removal efficiency of Pb metal in used lubricating oil. This is characterized by a decrease in Pb metal content in used lubricating oil before and after the adsorption process, namely in sample A with the addition of 2 grams. The Pb metal content in used lubricating oil is 0.2471 ppm, 4 grams is 0.2000 ppm, 6 grams is 0.142 ppm, at 8 it was 0.0895 ppm, and at 10 grams it was 0.0316 ppm. In sample B, with the addition of 2 grams, the metal content of Pb in the used lubricating oil was 0.3000 ppm, 4 grams was 0.2474 ppm, 6 grams was 0.2053 ppm, 8 grams was 0.1474 ppm, and 10 grams was 0.0684 ppm.
Utilization of Biomass Waste from Banana (Musa Paradisiaca) and Breadfruit (Artocarpus Communis) Peel for Development of Bio-Batteries Salawali, Rismul Trianto; Lestari, Sri Ayu; Nurhajawarsi; Yusriadi
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Bio-batteries are one alternative as well as a solution to the limited use of electrical energy. Batteries that are widely used today are sourced from chemicals in the form of heavy metals such as mercury, lead, cadmium, and nickel, which can pollute the environment if not disposed of properly. Efforts to reduce the use of chemicals that pollute the environment need innovation to overcome the problem. This study aims to determine the formula for bio-batteries that have a long life. The method used is to mix banana peel and breadfruit peel that has been fermented with variations of b/vv (g/mmL) with a composition of 0, 25, 50, 75, and 100% at each concentration. The parameters observed in this study were pH and voltage measurements during the fermentation process for 7 days, and the bio-batteries that had been made were tested for potential differences in electric current, power, resistance, and durability. As a result, the optimum condition of the bio-battery was obtained in a mixture of 75% banana peel compared to 25% breadfruit peel by producing a potential difference of 1.37 V, an electric current of 1.5 mA, and a power of 0.68 mW. A bio-battery with a composition of 75% banana peel compared to 25% breadfruit peel can last a maximum of 31 hours and 28 minutes when used on a wall clock.  
Implemplementation of Rapid Application Development of Information System For New Student Admission: Case Study at Akademi Komunitas Industri Manufaktur Bantaeng Muslihi, Muhammad Takdir
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

The New Student Admission Information System at the Community Academy of Manufacturing Industry Bantaeng aims to facilitate the process of new student registration online. This research employs the Rapid Application Development (RAD) method in its development. The results indicate that the system has been successfully fully implemented after undergoing a series of black box testing with good results. However, some shortcomings such as minor bugs are identified, and future development is expected to involve improving the overall functionality and security of the system.
Production and Characterization of Bioethanol from Straw Waste Through Hydrolysis and Fermentation Processes Thahir, Muhammad Taufiq; Rina; Husna, Saadatul
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Research has been conducted to produce bioethanol from agricultural waste, specifically rice straw, using hydrolysis and fermentation methods. The process stages start from sample preparation, delignification, hydrolysis, fermentation, and purification. The amount of yeast added, and the fermentation time were varied, specifically 2 grams, 4 grams, and 6 grams successively for 3, 5, and 7 days. The results show that ethanol was successfully produced with concentrations ranging from 0.4 to 0.9%. The optimum variation was obtained on the fifth day with the addition of 6 grams of yeast. The obtained ethanol underwent physical characteristic testing including color, odor, viscosity, and density.
Utilization of Industrial Waste for the Production of Environmentally Friendly Briquettes as a Solution to Supporting the Green Industry Irwan, Muhammad; Sitanggang, Boy Chandra
Jurnal Sains dan Teknik Terapan Vol. 3 No. 1 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

The food and beverage industry in Indonesia generates solid waste such as tea residues, Fly Ash and Bottom Ash (FABA) from palm kernel shells, wood pallet sawdust, and cardboard, which pose a risk of environmental pollution. Utilizing this waste as briquettes offers an innovative solution to reduce pollution while supporting the Green Industry program launched by the Indonesian Ministry of Industry. Briquettes, as solid fuel made from organic materials, can replace coal, reduce carbon emissions, and provide environmental benefits. This study aims to develop methods for utilizing industrial waste to produce eco-friendly briquettes. Quality tests include measuring moisture content, ash content, volatile matter, and calorific value. The results indicate that tea residues and pallet sawdust have high calorific values of 5049.63 Kcal/Kg and 5053.71 Kcal/Kg, respectively, comparable to coal. Tea residues exhibit a high volatile matter content (43.80%) for efficient combustion, while pallet sawdust shows low ash content, improving efficiency. FABA is used as a filler material with a calorific value of 3648.81 Kcal/Kg and a volatile matter content of 85.43%, supporting combustion and increasing briquette mass. The combination of these materials produces environmentally friendly briquettes with competitive combustion performance. These waste-based briquettes hold great potential for application in the food and beverage industry, promoting sustainable waste management and achieving green industry targets.
Physical-Chemical Characterization of Activated Charcoal from Coconut Shells as an Adsorbent in Reducing Ammonia (NH₃) Content in Nickel Industry Liquid Waste NIngrum, Resti Ayu; Salawali, Rismul Trianto; Arief, Maipha Deapati; A’Ban, Jamaluddin Gesrianto; Saparullah, Saparullah; Putri, Alfridha Dwi
Jurnal Sains dan Teknik Terapan Vol. 3 No. 1 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

This research aims to evaluate the effectiveness of activated charcoal produced from coconut shells in reducing ammonia (NH3) levels in domestic wastewater. Liquid waste containing ammonia can cause environmental pollution and negatively impact ecosystems. Therefore, an efficient method is needed to reduce ammonia levels. In this study, activated charcoal was made through the carbonization process of coconut shells and tested for its ability as an adsorbent. The research was conducted experimentally with variations in the mass of activated charcoal of 600 mg, 800 mg, and 1 g. The research results show that coconut shell activated charcoal meets the specifications of Indonesian Industrial Standard (SNI No. 06-3730-1995) with a moisture content of 3%, ash content of 6%, volatile matter content of 14%, and pure activated carbon content of 77%. The reduction in ammonia content obtained was 59.76% for a mass of 600 mg, 61.1% for a mass of 800 mg, and 67.59% for a mass of 1 g. These results indicate that activated coconut shell charcoal has good potential as an adsorbent for the treatment of liquid waste containing ammonia. This research is expected to contribute to the development of more environmentally friendly waste treatment technologies and the sustainable use of local resources.
Utilization of Coffee Grounds as Coffee Shop Waste in Making Natural Body Scrubs Trisyiah, Trisyiah; Amanda, Reskita; Azzahra, Nurul Fatimah; Nurhajawarsi, Nurhajawarsi; Thahir, Muhammad Taufiq
Jurnal Sains dan Teknik Terapan Vol. 3 No. 1 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Coffee grounds are residues from brewing coffee powder with hot water, and their utilization remains limited. This study aims to develop a cream scrub based on coffee grounds with additional chemical ingredients such as stearic acid, cetyl alcohol, olive oil, TEA, glycerin, phenoxyethanol, vanilla fragrance, and propylene glycol. Two formulations were developed with different concentrations of coffee grounds: 2.4% (F1) and 3.9% (F2). The tests included pH analysis, water content, spreadability, homogeneity, Total Plate Count (TPC) testing, and organoleptic evaluation. The results showed that the cream scrub had a pH of 6, with water content of 52.3% for F1 and 46.5% for F2, and a spreadability of 5 cm. Both formulations were homogeneous without phase separation. Moisturizing tests scored 4 (good), with F1 achieving 53.3% and F2 46.7%. The aroma of F1 scored 4 (good) at 66.7%, slightly higher than F2 (63.3%). In terms of texture, F1 obtained 66.7% at a score of 4 (good), while F2 reached 56.7%. The color parameter of both formulations was similar, with a score of 5 (very good) at 26.7%. Irritation tests showed negative results for 93% of participants for F1 and 96% for F2.
Making of Body Lotion from Ziziphus Mauritiana Extract Mentari, Rezky Ayu; Qalby, Besse Nurul; Maulidia, Aprindah Nur; Fachnesya, Nindy; Nurhajawarsi, Nurhajawarsi; Sitanggang, Boy Chandra
Jurnal Sains dan Teknik Terapan Vol. 3 No. 1 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Bidara leaves (Ziziphus mauritiana) contain active compounds such as flavonoids, tannins and saponins which function as antioxidants and antibacterials for healthy skin. This research aims to develop a body lotion formulation made from bidara leaf extract with tests including phytochemical, pH, spreadability, homogeneity, water content and organoleptic tests. Phytochemical results showed the presence of flavonoids, alkaloids, terpenoids, saponins and tannins. Three formulations were tested with different concentrations of bidara leaf extract, namely F1 (1%), F2 (3%), and F3 (5%). Test results show that the pH of all formulas (F1: 5.7; F2: 5.5; F3: 5.4) is within the SNI standard range (3.5–8.0). Spreadability decreases as concentration increases, namely F1 (7 cm), F2 (6.4 cm), and F3 (5.7 cm). All formulas met the homogeneity criteria, while the highest water content was found in F1 (49.05%) compared to F2 (26.3%) and F3 (25.6%). Organoleptic tests show that aroma resistance reaches 100% and there is no irritation in all formulas. The preferred aroma was higher in F3 (63.3%) compared to F2 (46.7%) and F1 (43.3%). Fragrance levels were similar for F1 and F3 (53.3%) as well as F2 (50%). The preferred humidity was highest in F2 (53.3%) followed by F3 (50%) and F1 (33.3%), while the permeability was highest in F3 (50%) compared to F1 (43.3%) and F2 (40%).
The Effect of Variation of Drilling Machine Rotation Type KB 20 S On ST-40 Material Ratlalan, Roberth M.
Jurnal Sains dan Teknik Terapan Vol. 3 No. 1 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Drilling is a process of making holes by pressing a rotating chisel on the workpiece. The machining process occurs interaction between the drill bit and the workpiece where the workpiece is cut while the drill bit experiences friction. RPM variations are needed to adjust the drilling to the material being drilled, the size of the drill bit, and the purpose of drilling. testing variations in engine speed against drilling time, using an ST 40 iron workpiece measuring 40x150x8 mm, with the same load weighing 1.9 kg, using a 12 mm diameter drill bit. drilling results the faster the engine speed (rpm) will produce a faster drilling process time, but the resulting threaded hole is not good because the engine speed does not match the drill bit. While the drilling results the slower the engine speed (rpm) will produce a slow drilling process time, but the resulting threaded hole is good because the engine speed matches the drill bit used.

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