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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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Utilization of Fly Ash and Bottom Ash as Acid Mine Water Neutralization Media: Pemanfaatan Fly Ash dan Bottom Ash Sebagai Media Netralisasi Air Asam Tambang Ardiansah A; Tasya; Muh. Azis Albar J
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Mine acid water is an environmental impact of mining activities. This becomes even more important if the handling of acid mine drainage is not optimal. Fly ash and bottom ash can be used as alternative utilization of industrial waste to neutralize acid mine drainage. The purpose of this study was to determine the optimal composition of fly ash, bottom ash, and alum to neutralize acid mine drainage and the optimal mass ratio of the fly ash and alum mixture to neutralize mine acid water. Based on the results of testing the optimal mass of fly ash is 0.25 g, 0.50 g, 0.75 g, 1 g, 1.25 g, and 1.50 g with a pH of 6.1, 7.5, 7.6, 7.9, 8.2, and 8.3 which are by the Decree of the State Minister for the Environment number 113 of 2003 concerning wastewater quality standards for mining businesses or activities, namely the pH of water at 6-9 mg/l. Experiments for the maximum use of bottom ash were 1.50 g with a pH of 5. Based on the tests, the optimal mass of a mixture of fly ash and alum was 3.15 g and 3.20 g with a pH of 6.2 and 6.5.
Auto Hand Washing Implementation Based Microcontroller Using Independent Power Source: Implementasi Pencuci Tangan Otomatis Berbasis Mikrokontroler dengan Sumber Energi Mandiri Tino Suhaebri; Asma Ainuddin
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

The world is facing the beginning of the covid 19 pandemic. Corona Virus Disease (Covid 19) is a disease caused by a new type of virus called SARS-CoV-2. The government's concern about the increasing impact of the virus requires preventive action to be taken by implementing various health protocols, one of which is washing hands. Washing hands with conventional equipment still allows contamination of viruses and bacteria while touching of a water valve or soap pump lever. For this reason, a hand washing system is designed to automatically function without any touch. The control system uses ATMega328 microcontroller, distance sensor, motor driver and DC water pump. The system also designed for areas where electricity is not fully covered, with built in a solar power plant. The results of manufacture and testing show that the system works as well. With a water storage capacity of 19 liters, the hand washing process can be carried out 14 times. Measurements of the PLTS system show that the system can operate for approximately 3 hours with a battery charging time of 3.5 hours.
ATMEGA328P-Based Hand Sanitizer Pump to Prevent The Transmission of The Covid-19: Pompa Hand Sanitizer Tanpa Sentuh Berbasis ATMEGA328P dalam Upaya Mencegah Penularan Virus Covid-19 Asma Ainuddin; Tino Suhaebri
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

The covid19 virus requires the application of strict health protocols. Among them avoid direct contact with surrounding objects or other people. Apart from using masks, hand washing, the use of hand sanitizers is also recommended. The use of conventional hand sanitizers is generally less effective when used by many people. Therefore, there is high recommendation for using a non-touch tool especially for people while using a public hand sanitizer bottle pump. The automatic hand sanitizer pump based on a microcontroller is one of the solutions. In the manufacture process of an automatic hand sanitizer pump, the method applied is to create a design concept, manufacture a case, electrical circuit, and assembling the whole product. From the process of making the product, it produces several types of tests, namely distance and voltage sensors, the reliability of hand sanitizer pumps, battery charging time, and the number of pumps process until the hand sanitizer runs out. The testing results showing that the pump will activate when an object or hand is detected at a distance of ≤ 10 cm from the sensor, the number of pump processes in a fully filled liquid condition is 1237 times the process, the product can last in conditions for 3 days 10 hours in standby conditions, and long battery charge is 4 hours 10 minutes.
Making Aromatherapy Candles from Patchouli Oil Extract (Pogostemon cablin Benth.) and Crude Glycerol from Used Cooking Oil: Pembuatan Lilin Aromaterapi dari Ekstrak Minyak Nilam (Pogostemon cablin Benth.) dan Crude Gliserol dari Minyak Jelantah Muhammad Taufiq Thahir; Indira Fitriani
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Used cooking oil is a compound with a carbon chain that is not quickly decomposing, so it will harm the environment. The effort that can use used cooking oil is to process it into a product with a selling value, namely aromatherapy candles. This study aims to determine the effect of adding crude glycerol and patchouli oil extract to produce long-lasting aromatherapy candles. Wax production in this study consisted of the transesterification of used cooking oil and the extraction of patchouli plants using the maceration method. Aromatherapy candles comprise 24 grams of stearic acid and 6 grams of paraffin. It added crude glycerol with variations of 1.5, 2.5, 3.5, and 4.5 grams. In each addition, variation crude glycerol added one drop and two drops of patchouli essential oil. This experiment's primary research is physical testing, including a melting point test, burning time test, flame test, and aroma test. The sample composition that produces wax with the longest burning time is adding 2.5 grams of crude glycerol and four drops of patchouli essential oil with a burn time of 6 hours and 8 minutes.
FMEA Method as a Quality Solution of Welding Machine SMAW Type 400 SX: Metode FMEA Sebagai Solusi Kualitas Hasil Pengelasan Mesin SMAW Type 400 SX Roberth M. Ratlalan
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Maintenance is a series of activities to maintain facilities and equipment so that they are always ready to use to carry out production effectively and efficiently according to a predetermined schedule and based on standards (functional and quality). FMEA (Failure Mode Effect Analysis) is a method of evaluating the possibility of a failure of a system, design, process or service to make steps to deal with it. SMAW welding where heat from welding is generated by an electric arc between a flux-shielded supplied electrode and the workpiece. The results of calculations using the FMEA table to determine the critical components of the SMAW Type 400 SX Welding machine obtained 1 critical component, then calculating the impact score (Severity), possibility (Occuration), Detection. Then, Intermediate Decision Tree (IDT) and Logic Tree Analysis (LTA) analyzes were carried out. In the final stage, a Standard Operating Procedure (SOP) was determined to determine the maintenance of the SMAW Type 400 SX Welding machine.
Formulation and Analysis of Solid Bath Soap with The Addition Of Seaweed: Formulasi dan Analisis Mutu Sabun Mandi Padat dengan Penambahan Rumput Laut Nurhajawarsi
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Nowdays bath soap that is widely used by the public is soap made from sodium laurate sulphate (SLS) surfactants. For some people who have sensitive skin, it can cause mild to severe irritation. So that consumers are now starting to increase interest in natural soap (saponification soap). Research has been carried out by varying the formula of solid bath soap with the addition of seaweed as a rich source of active substances such as vitamin E and its activity as an antiseptic. This study aims to obtain the acceptable formulation of solid bath soap from seaweed and to analyze the quality of the seaweed soap according to SNI 3532: 2016 parameters. There are 3 variants of the formula made by the hot process method. The best formula that fulfills the SNI 3532: 2016 solid bath soap quality standards were formula F2 with a pH of 9; 0.791% water content; 0.048% free alkaline; 2.6 cm foam stability. In organoleptic testing, each formula obtained a good level of acceptance and did not show any significant differences.
The Effect of ST 37 Steel Roughness in The Turning Process with Oil Cooling Media to Variation of Spindle Speed and Type of Tools: Pengaruh Kekasaran Baja ST 37 pada Proses Pembubutan dengan Media Pendingin Oli Terhadap Variasi Kecepatan Spindle dan Jenis Pahat Syaiful Syaiful
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

The development of increasingly advanced and modern technology in the industrial sector, both machine tools and metallurgical machines, plays a very important role in the industrial world. The specimens in this study were ST 37 steel whose roughness value would be determined through a turning process using HSS and carbide chisels with oil-cooling media, as well as different machine rotation speeds, where the specimens were turned at machine spindle speeds of 330 rpm, 660 rpm, and 900 rpm. Then tested for roughness using a Surface Roughness Tester machine. The results of the analysis yield the lowest roughness average of the R-curve (Ra) (smooth facing) at a spindle speed of 900 rpm using a carbide chisel and the highest Ra (coarse facing) at a spindle speed of 330 rpm using an HSS chisel, from the roughness value obtained, then macro photo testing is carried out to see the structure of the material more closely. The results of this study indicate that the roughness value is influenced by the material, speed variation, type of tool and cooling treatment.
Fish Weighning Information System Based on Internet of Things: Sistem Informasi Penimbangan Hasil Tangkapan Ikan Berbasis Internet of Things Muhammad Takdir Muslihi; Andita Dani Achmad
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

This study aims to design a system that detects the weight of caught fish at fish auctions in coastal fishing ports (TPI) by utilizing internet of things technology. Fish weight data obtained through measurements by sensors placed under the weighing plate is sent to the database server. Then the fish type data is entered through the web application. The web application will display data on the weight and type of fish in each TPI to the user. The accuracy percentage of the designed scales is 97.168%.
Production of Biodiesel From LGCPO (Low-Grade Crude Palm Oil) Through In-Site Transesterification With The Addition of Catalysts: Produksi Biodiesel dari LGCPO (Low Grade Crude Palm Oil) Melalui Transesterifikasi In-Situ dengan Penambahan Katalis Basa Rismul Trianto Salawali; Mustika Ibrahim; Mega Fia Lestari
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Biodiesel is one of the alternative fuels to replace diesel fuel derived from petroleum. The purpose of this study is to determine the use of LGCPO (low-grade crude palm oil) as biodiesel. Biodiesel preparation is carried out by esterification of 7% H2SO4 catalyst and methanol 1:30 (w/w) at 60 oC for 2 hours. Transesterification was carried out at 60 oC for 1 hour with 1.5% KOH catalyst (w/w) and 35% methanol (w/w). Before synthesizing, the water content obtained was 0.40% and the ALB was 7.46%. Furthermore, specification testing was carried out on biodiesel based on the Indonesian National Standard (SNI) 7182-2015 that has been set, which shows an acid number of 0.4 mg NaOH/gg, density of 860.4 kg/mm3 (simplo) and 866.1 kg/m3 (duplo), and a kinematic viscosity of 2.93 mm2/s at 40 oC.Characterization was carried out by FTIR spectrophotometer analysis, which showed the presence of ester functional groups that are characteristic of synthesized biodiesel: the presence of C-O groups from esters at wavenumbers 1244.13 cm1 and 1170.83 cm1, and the presence of C=O groups from esters at wavenumbers 1743.71 cm1. In addition, Gas Chromatography-Mass Spectroscopy (GC-MS) analysis was also carried out, which showed the presence of six methyl ester (biodiesel) compounds, namely methyl myristate, methyl palmitate, methyl stearate, methyl oleate, methyl linoleate, and methyl arachidate.
Detection of Slag Inclusions and Degree of Roughness in Welded Joints by Application Approach: Deteksi Inklusi Terak dan Tingkat Kekasaran pada Sambungan Las dengan Pendekatan Aplikasi Muhammad Aqdar Fitrah; Hermin Hardyanti Utami
Jurnal Sains dan Teknik Terapan Vol. 1 No. 1 (2023): SATERA
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Slag Inclusion is a defect that occurs in areas in the weld. This defect is in the form of slag (melting flux) that is in the welding. In this study, an experiment was conducted using a sample of SA 106 Grade B pipe, aiming to detect slag inclusion defects and evaluate the degree of roughness in GTAW (Gas Tungsten Arc Welding) and SMAW (Shielded Metal Arc Welding) combinations with an application-based approach. This approach uses a special application to automatically detect slag inclusion defects and measure the surface roughness level of the weld results. The research method involves collecting welding samples with a variety of relevant process parameters. The collected data were then analyzed qualitatively and quantitatively. The results achieved were that in the GTAW and SMAW combination welding there were Slag inclusion weld defects in the weld metal area in the fill pass layer, the size of the slag defects in welding was obtained with a defect depth value of 0.5 µm while for SEM testing and supported by the use of software produced an average roughness with value (Ra) 70.536 nm, roughness average root (Rq) 99.0837 nm, maximum height of roughness (Rt) 847. 170 nm, maximum valley depth of roughness (Rv) 313.262.)

Page 1 of 3 | Total Record : 27

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