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Muhammad Nizar
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serambiengineering@serambimekkah.ac.id
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Fakultas Teknik, Universitas Serambi Mekkah Jalan Unmuha, Batoh, Telp. (0651) 26160 dan (0651) 22471 Banda Aceh, Indonesia
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INDONESIA
Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : http://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering
The Serambi Engineering journal is published as a medium to distribute information on research results in engineering and science, both carried out by lecturers from the Serambi Mekkah University and other parties. Published research can be in the form of field research or laboratory research as well as a literature review. This journal is published four times yearly, namely January, April, July, and October. Editors accept manuscripts from lecturers, researchers, students, and practitioners that have never been published by any other media. Manuscripts submitted will be evaluated and edited for uniformity of format, terms, and other procedures. The topics that can be published but are not limited to are: Water & Waste Water Quality Solid Waste Management Air Pollution Control Environmental Health Environmental Modeling Environmental Management Water Resources Management Occupational Health & Safety Ecology Renewable Energy Circular Economics Sustainable Development Climate Change Mitigation and Adaptation Climate Change and Water Resources Adaptation Urban Planning Informatics Computer and Technology Industrial Engineering Other .
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 964 Documents
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Pengolahan Air Limbah dengan Metode Koagulasi Flokulasi pada Industri Kimia Salsabila Fitria Ekoputri; Aulia Rahmatunnissa; Fadia Nulfaidah; Yuki Ratnasari; Mohammad Djaeni; Dessy Agustina Sari
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Utilities are one of the supporting processes in a factory, consisting of units providing water, steam, electricity, fuel procurement, compressed air, and wastewater treatment. Wastewater from industrial processes contains: toxic pollutants, organic and inorganic materials, also other industrial materials are toxic, mutagenic, and carcinogenic, so treatment is needed to overcome this. Wastewater treatment can use coagulation and flocculation methods. Coagulation is the process of adding chemicals to the water that causes the separation of particles to destabilize the particles and allow them to adhere to other particles (to remove) in the following process. Factors that can affect the success of the coagulation process include the type of coagulant used, coagulant dose, moving process, and pH. Meanwhile, flocculation removes water turbidity by collecting small particles into larger particles with the addition of chemical flocculants. The flocculants are divided into two, perikinetic flocculation and optokinetic flocculation. This article aims to determine the effectiveness of wastewater treatment in the chemical industry using the coagulation-flocculation method. The coagulation-flocculation process can reduce pollution of the aquatic environment so as not to aggravate cases of environmental pollution.
Evaluasi Kualitas Air Minum di Kampus Universitas Siliwangi Menggunakan Parameter Fisika, Kimia, dan Mikrobiologi Visi Tinta Manik; Erviyana Windiastuti; Suci Apsari Pebrianti
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Every person has a fundamental need to drink water. However, the environment today presents conditions—like the clean water crisis—that every person needs to be aware of. Compared to other water demands, drinking water must meet strict quality standards because it will enter the body. As a result, in order to assess the drinking water quality in the vicinity of Siliwangi University Tasikmalaya using Peraturan Menteri Kesehatan Republik Indonesia Nomor 492/MENKES/PER/IV/2010, research must be conducted. In this investigation, three types of water samples were collected from a single drinking water source: spring water, filtered water, and water that has undergone ultraviolet (UV) light processing. In this investigation, chemical, physical, and biological characteristics were taken into consideration. The three samples' chemical and physical parameters results surpass the quality standards. Nevertheless, the three samples did not comply with the standard of quality microbiologically.
Analisis Preventive Maintenance pada Mesin Injection Molding dengan Metode Mean Time Between Failure dan Mean Time to Repair di PT. XZY Abdul Wahid Arohman; Muhamad Agus; Solahhudin; Desy Agustin
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

A series of predictable preventive activities to overcome machine failure during operation is very important because it produces good and stable spare parts. This research was carried out with the aim of preventing machine damage due to short circuits that occur in injection molding machines used for the sudden production of automotive component spare parts. The research was carried out using the Mean Time Between Failure (MTBF) and Mean Time To Repair (MTTR) approaches to calculate the time between the machine breaking down and the time it was repaired. The MTBF calculation results in this research were 72.9 hours or less than 4 days the engine would experience damage or every 72.9 hours the engine would experience damage again. The MTTR value obtained is 2 hours, where in 2 hours the work to overcome the damage can be done.
Optimalisasi Konfigurasi Turbin Angin Untuk Peningkatan Produktivitas Energi Listrik Dalam Meningkatkan Hasil Pertanian di  Kabupaten Pidie Jaya Teuku Multazam; Fakhruddin Ahmad Nasution; Ilham Sahputra
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Food availability has an important role in the resilience and continuity of community life. The agricultural, especially in particular, potatoes, sweet potatoes, soybeans, vegetables, corn, onions, chilies and beans. Water is the main source. Realizing agricultural results, a lack of air supply will certainly have a negative impact on agricultural results that are not optimal. The dry season that hits will have an impact on air shortages, this will of course cause crop failure, making farmers lose money. Various efforts have been made to minimize these losses, one of which is by providing water pumps in their agricultural areas. Utilizing the pump requires continuous electrical energy as the main source to operate it, this will also have an impact on the costs incurred by farmers. The amount of electrical energy produced at the plant is greatly influenced by the optimal configuration factor for placing wind turbines at the location. The value of the optimal configuration is seen based on the high productivity of the electrical energy produced. This research will optimize the placement of wind turbines using 3D–5D and 5D–9D turbine configurations. Temporary research results show that the most optimal configuration is using the 5D–9D model with an energy production cost of 6,083 rupiah per year, and the daily electrical energy produced is 308.08 kilowatts.
Strategi Pengelolaan Limbah Medis Padat Pada UPTD Puskesmas Lampahan yang Berdampak Pencemaran Lingkungan Endang Saruni; Abdul Malik; Zulfikar
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The aim of the research is to get an overview of the types, determine management factors, get recommendations to determine the right strategy in order to reduce environmental pollution due to solid medical waste at the UPTD of the Lampahan Community Health Center and in the community environment. Data analysis was carried out using several parameters through statistical tests and discussed quantitatively descriptively. The results of the research showed that to identify types of solid medical waste, syringes, Nald heating, gauze, infusion bottles, hand scoops, medicine bottles, masks, abocaths, needles, used plasters, urine catheters, urine bags and basturi were identified. Several factors include the knowledge of officers regarding the management and handling of solid medical waste which still varies greatly, especially in the field of health services, such as in the ER, inpatient rooms, drug distribution (pharmacies) and midwives who do not yet understand how to actually manage medical waste. Another risk factor occurs in community groups regarding their ability to act regarding the presence of solid medical waste originating from the Puskesmas environment, including actions in handling it. The strategy that will be used as a recommendation in managing solid medical waste is through increasing the capacity of human resources, increasing support for budget allocations, increasing monitoring of officer compliance in using PPE, and proposals for procuring waste management facilities as well as strengthening cooperation with third parties, licensing related to storage, packaging, labeling and providing waste symbols.
Pengaruh Variasi Waktu Milling terhadap Temperatur Nano komposit Fe3O4-MgH2 sebagai bahan baku katalis pada Tabung Hydrogen Storage Maulinda; TM Zulfikar; ZulkarnainJalil; Adi Rahwanto; Ismet
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Metal materials can be used in renewable energy with future technologies for safe hydrogen storage media. Metal hydrides are a safe and effective way to store hydrogen for vehicle applications. Due to its high capacity in mass and volume for hydrogen storage, metal hydrides are currently the subject of intense research. However, the thermodynamic properties of magnesium hydride (MgH2) produce moderate temperatures, during the hydrogen desorption reaction reaching about 3000C to 4150C at 1 bar. The thermodynamic properties of high MgH2 cause the desorption temperature to also increase. The enthalpy produces high desorption (about 74 KJ/mol H2). In addition, the process of transforming magnesium into magnesium hydride takes a long time, (for 60 hours). From the results of the study, iron sand, a material from nature, which has been extracted into Fe3O4 powder, is used as a catalyst. This is done to improve the absorption properties and reaction kinetics of hydrogen storage materials based on MgH2, namely magnetite Fe3O4. The yield of Magnetite Extraction (Fe3O4) from iron sand is 85% purity, compared to the purity of Iron sand before extraction, which is 81%. Mechanical alloying methods are used to process MgH2-Fe3O4 samples, with different milling times and different catalysts.
Pengaruh Proses Heat Treatment (Quenching dan Tempering) Terhadap Kekerasan dan Struktur Mikro Baja Karbon Menengah Meyzan Andreansyah; Ratna Dewi Anjan; Viktor Naubnome
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Technological advances mean that steel production continues to be developed with better raw materials. Carbon steel is the one of the metals that is widely used in producing machining equipment, but it requires adjustment to the hardness and ductility properties of the steel must be heat treated to obtain properties according to its use from soft to hard. This research aims to determine the effect of cooling media in the quenching process and tempering process on hardness, tensile strength and microstructure. The variations used are variations in temperature and variations in water and oil quenching cooling media. The research method used was the experimental method, using descriptive statistical data analysis techniques, then hardness testing was carried out using the micro vickers method, tensile testing, and microstructure observation. The research result showed that the highest hardness value was at a temperature variation of 900°C for the water-cooling medium with a hardness value of 490,1 VHN. The highest average tensile strength was produced by specimens with a heating temperature of 900°C with water cooling media, namely 1051,2 N/mm2. And the result of the microstructure test shows structural changes, namely the formation of a martensite structure due to the process of heating the austenite and the cooling it quickly.
Performance Evaluation Using the DEA-Stepwise Modeling Approach Method: Case Study of the Export-Import Sector in Indonesia Erni Puspanantasari Putri
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The export and import industry are now a significant determinant of a nation's economic progress in the age of globalization. A nation's ability to export helps it earn foreign cash that it can utilize to fund development and spur economic expansion. Conversely, import-related activities might assist in satisfying the need for products or services that cannot be effectively provided domestically. Entrepreneurs can increase the competitiveness of local products and the quality of their products through imports and exports, which will enhance both industrial progress and community welfare. To maximize the nation's economic progress, the government and business owners must continue to boost import-export activity. The objective of this study is to evaluate Indonesia's export-import sector's performance using the stepwise modeling approach and the DEA method. One technique to determine which export-import sector activities are effective and ineffective is performance evaluation. These two sectors can support the country's economy in this way and do so with a long-term approach. The research results indicate that efficient DMUs have the smallest presentation (20%) and inefficient DMUs have the largest percentage (80%). The efficient DMU category is C (1). Inefficient DMU categories, namely: SK (0.285), S (0.193), M-US (0.472), and T-J (0.11).
Studi Tingkat Kepuasan Terhadap Pelayanan Travel Rute Palangka Raya-Buntok Rin; Devia; Murniati
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Palangka Raya City as the growth center of Central Kalimantan and surrounding areas needs transportation facilities that can support the economy of the people. This study aims to evaluate the level of passenger satisfaction that has been achieved and identify which indicators need immediate improvement by applying the Customer Satisfaction Index (CSI) method, the Importance Performance Analysis (IPA) method and the Service Quality method. The results of the CSI analysis produce a value of 63.88%, meaning that the overall level of travel service on the Palangka Raya-Buntok route is quite satisfactory and the results of the Cartesian diagram from the IPA analysis of the indicators that fall into quadrant I are that the travel driver is in good physical and mental health and does not smoke or play on his cellphone. while driving, the car room is smoke-free, and transactions and services are served quickly and precisely, quadrant I is considered very important, but performance is not optimal so, improving it is a top priority, a strategy that can be carried out by the authorities by providing direction to drivers and bureau employees travel journey regarding matters relatedto these indicators.
Analisis Beban Kerja di Laboratorium ProduksiPT. XYZ Dengan Metode CVL dan NASA-TLX Adi Cahyono Putra; Akhmad Wasiur Rizqi; Moh. Jufriyanto
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

To evaluate the workload, one can consider the combination of physical and mental effort that employees undergo. The quantification of physical workload is accomplished through the utilization of the Cardiovascular Load (%CVL) methodology, whereas the evaluation of mental workload is conducted employing the NASA-TLX methodology.Pulse measurement is employed to gather data on the physical exertion level. Concurrently, the cognitive load was alleviated by administering NASA-TLX surveys to the personnel. Thephysical workload measurements were acquired from a sample of 12 employees who showed no indications of fatigue. Meanwhile, the measurements of mental workload indicate a substantial level of both elevated and extremely elevated workload One employee was classified as having an extremely heavy workload, while the majority of respondents (11 out of 12) assessed their workload as high. The results suggest that around 33% of employees face a substantial mental workload, underscoring the need for a leadership policy focused on workload reduction

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