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Muhammad Nizar
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muhammad.nizar@serambimekkah.ac.id
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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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Lever Assy Product Distribution Needs Planning with the Distribution Requirement Planning Method in the Automotive Industry Herdiana, Mochamad Rafi; Herwanto, Dene
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The market demand to get quality products is not enough to be answered only by the company's ability to provide the requested products, the company's ability to fulfill order stock, low prices, order time targets, and marketing capabilities. Planning for product availability and distribution processes is also needed to meet consumer needs. PT XYZ is a company engaged in the automotive sector as a supplier. The problem that occurs is that there is an over cost distribution so that the company has to increase costs for the distribution of Lever Assy products. One of the reasons that allegedly caused the problem was because the forecasting that became the basis for the company to take policies in the distribution process of the Lever Assy product was not done properly. The goal to be achieved in this study is to plan distribution needs by considering the demand aspect to avoid over cost distribution. The results of this study show that the total cost incurred based on the company method is Rp71,614,500, while using the distribution requirement planning method is Rp52,864,500, which means that there is a savings of Rp.18,750,000 with a percentage of 26%.
Improving Inventory Control in the Electrical Sector Using Forecasting Models: A Comparative Study of ARIMA, Exponential Smoothing, Croston, and SBA Elvi Armadani; Daniel Jeffry; Muhammad As’adi; Yulizar Widiatama
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT. ABC Tarahan Sector is a State-Owned Enterprise that is engaged in services to distribute electricity to the general public. PT. ABC Tarahan Sector distributes about 80% of total electricity consumption in Lampung and 20% is distributed through ABC Palembang. Material planning is one of the most important factors to meet the production targets produced every year. The purpose of this study is to determine the method with the smallest error value based on the time series data available in the company. The data used in this study is the company's material demand data in 2018-2023. The level of accuracy in the forecasting value is determined by looking at the smallest absolute error value in each method. The forecasting results will then be measured based on the value of the service level, inventory level, and inventory cost budget. The existing condition of the company produces an error value of 7.32118, the amount of material is 17,195, the service level is 95.06%, and the warehouse cost is Rp. 36,012,143,757.00. The researcher forecasts using the Arima, Exponential Smoothing, Croston, and Syntetos Boylan Approximation methods. The results of the data analysis resulted in a decrease in the error value of 31.3%, a decrease in the amount of material by 22.38%, an increase in service levels to 95.33%, and a warehouse cost savings of Rp. 182,068,361.00.
Kontribusi Limbah Kayu Daratan terhadap Sampah Laut di Pesisir Selatan Bali: Tinjauan Antropogenik dan Strategi Adaptasi Berbasis Ekosistem Suryawan, I Wayan Koko
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The recurring accumulation of marine debris along the southern coast of Bali, particularly wood fragments and plastic waste, reflects the complex interaction between land-based human activities, climate change, and coastal oceanographic dynamics. This study aims to examine the potential contribution of terrestrial wood waste to marine debris in major tourist areas such as Kuta and Kedonganan beaches. The research applies a combined method of direct field observation during the west monsoon season and a comprehensive literature review, including secondary data on waste composition, ocean currents, and terrestrial waste management systems. Observations indicate that Kuta Beach is predominantly affected by wood debris such as branches and tree trunks while lighter plastic packaging is more common in areas like Kedonganan, suggesting that current strength influences the distribution of waste types. Analysis of household waste composition in several Bali districts reveals that wood and branch waste form a significant portion, particularly in Jembrana, Bangli, and Buleleng, supporting the hypothesis that much of the marine wood debris originates from upstream land-based sources via river systems. Intensified rainfall and riparian degradation—driven by land-use change and climate variability accelerate the transport of organic waste to the sea. This study recommends integrated ecosystem-based adaptation strategies, including lignolytic microbial decomposition, the installation of floating booms at river mouths, and the conversion of wood waste into circular economy products such as biochar through pyrolysis and wood-plastic composites.
Perencanaan Kolam Retensi di Perumahan Dalam Upaya Penerapan Konsep Drainase Berwawasan Lingkungan Wardhani, Eka; Kurnia, Indrianti; Irmansyah, Athaya Zahrani
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Cirebon Regency is experiencing flood and drought problems where this area is experiencing a change in land use from green areas to housing due to population growth. This change causes a decrease in the land's ability to absorb water and an increase in water runoff. This research aims to analyze the application of environmentally friendly drainage with retention ponds to overcome this problem. The case study was conducted in a new housing complex with an area of 49.2 ha. The design method of the retention pond is related to the Directorate General of Human Settlements. The results of the research at the site required three retention ponds with a volume of 3,543.60 m3, 4,443.30 m3 and 2,303.40 m3. The efficiencies of reducing runoff water for each pond are 32%, 37%, and 21%. The total reduction efficiency of the three ponds is 90%. The remaining 10% of the runoff water goes into the drainage canal. If you want to implement zero waste, the remaining runoff water can be captured by building absorption wells at several points. The application of this environmentally friendly drainage concept has the effect of reducing runoff water and increasing infiltration water.
Analisis Pengembangan Produk Ikan Pindang Bandeng (Studi Kasus: UMKM Pindang Pelem) Junianto; Lisa Gabriela; Denis Setia Prismayana; Firly Ryan Nouvaly
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The growing demand for salted milkfish products is driving innovation in product development to meet diverse consumer preferences. Product development strategies enable companies to remain competitive and attract more potential consumers. This research aims to analyze the development of brine milkfish products covering aspects such as raw materials, processing methods, product variations, packaging and marketing strategies at UMKM Pindang Pelem. The research adopts a survey method using purposive sampling techniques. The data are analyzed descriptively to provide a clear overview of the research findings. The results show that UMKM Pindang Pelem has developed its procurement of milkfish by expanding the selection of suppliers located near the production site. Processing methods have been improved by improving the cleanliness of raw milkfish, adding flavor enhancers and spices during brining, and extending the brining time. UMKM Pindang Pelem has shifted to using convenient packaging such as combinations of styrofoam plates, banana leaves and plastic wrap, as well as foam food containers and thin-walled boxes. Their marketing strategy has used WhatsApp platforms for promotion and market segment expansion.
Konversi CO2 Menjadi Metana Menggunakan Katalis Ni-Zn/Al2O3 Ditinjau dari Kemampuan Katalis dan Waktu Operasi Wijaya, Satria Agung; Junaidi, Robert; Hasan, Abu
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Carbon dioxide (CO2) gas is a gas that can be a threat to the environment because its emissions continue to increase from year to year. Therefore, this research aims to utilize CO2 gas and convert it to methane gas (CH4) using a fixed bed reactor type reactor containing a catalyst. In this study, the CO2 methanation process was carried out with the help of Ni/Al2O3 catalyst supported with Zn metal in situ. This study varies the catalyst treatment denoted by Ni_R0 - Ni_R4, with the amount of catalyst as much as 50 grams and variations in the operating time of the CO2 methanation process for 70 minutes and 80 minutes. The highest methane gas yield of 50.11% was obtained in sample 10 with the Ni_R4 catalyst treatment variation (Ni_R0 - Ni_R4 variation) for 80 minutes (70 minutes and 80 minutes variation). The longer the methanation process, the longer the contact process between CO2 gas and NaOH solution.
Analisis Penilaian Pengelolaan Lingkungan Menggunakan ISPO, Proper dan Industri Hijau Pada Pabrik Kelapa Sawit PT.X Muhammad Fadly Rezky Ramadhan; Sillak Hasiany; Prasetio, Bambang
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

As the palm oil industry grows, it will have a negative impact on the environment. To maintain global markets and competitiveness, the government must support the national palm oil industry using sustainable principles. This requires an understanding of the 3 P's (people, planet, profit). To meet the sustainability requirements, the Indonesian government has issued several environmental programs: the Indonesian Sustainable Palm Oil (ISPO), Performance Rating Program and Green Industry. Existing environmental programs have their own strengths and weaknesses, including regulations, principles and stakeholders. A harmonization method is needed to integrate the principles of each program. This study uses the Integrated Management System (IMAS) method to refine their advantages and disadvantages. Existing programs can be integrated if they are related (parallelism) and the principles are aligned. The evaluation shows that the performance level of the ISPO, PROPER and GI programs is well influenced by key factors in the form of top management support, company competitiveness and company vision and mission.
Identifikasi Potensi Bahaya Pada UKM Tahu dengan Metode Hazard Identification and Risk Assessment Sebagai Langkah Penerapan Manajemen K3 Achmad Samudera Dewantara; Nia Sastra Permata; Sherin Ramadhania
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The implementation of Occupational Health and Safety (OHS) management reflects a business owner's commitment to protecting workers' health and safety. One key step in implementing OHS is identifying and mapping potential workplace hazards. In small and medium enterprises (SMEs) producing tofu, such hazards often arise during the production process. The HIRA (Hazard Identification and Risk Assessment) method is used for hazard mapping because it systematically identifies hazard locations and critically analyzes risk levels. This study was conducted at a tofu SME in Krajan, Surakarta, and identified several potential hazards categorized into four groups: hazards from the work environment, production materials, unsafe equipment, and production waste. The analysis revealed five high-risk hazards and four moderate-risk hazards. Through hazard mapping, business owners are expected to take preventive measures to minimize or eliminate exposure to these risks. This ensures worker health and safety while maintaining a smooth and uninterrupted production process.
Analysis of Water Quality in Traditional Oil Mining Using the Pollution Index Method in Gampong Alue Peuno Muchlis; Nurul Aflah; Amelia; Lubis, Mirna
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Gampong Alue Peuno, Bireuen, us a region in Aceh known for its rich petroleum resources. This abundance has led to many oil wells being freely managed by the local community. This study aims to analyze water quality in Gampong Alue Peuno according to established water quality standards, utilizing the Pollution Index method in reference to the Indonesian Minister of Environment Decree No. 115 of 2003. The Pollution Index assesses water quality across ten points, considering parameters such as pH, temperature, oil and fat, TDS, BOD, COD, and DO. Water quality calculations for Gampong Alue Peuno yielded Pollution Index (IP) values at points 1 through 10 of 2.423, 3.505, 2.022, 2.534, 2.241, 2.328, 1.847, 3.180, 4.370, 1nd 1.510, respectively. Based on Decree No. 115 of 2003, all teat points fall into the light pollution category (1.0 < IP < 5.0 for Class II water quality standards. Water in Class II with light pollution is not recommended for daily activities such as washing dishes, washing clothes, bathing, irrigating plants, and livestock care, or other needs requiring similar water quality. Polluted water usage can directly or indirectly affect public health and harm aquatic ecosystems.
Efektivitas Bambu Air (Equisetum Hyemale) dalam Fitoremediasi untuk Penurunan Kadar COD dan Surfaktan Pada Limbah Laundry Nara Naomi Aprilia Putri; Raden Kokoh Haryo Putro
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In general, laundry businesses use detergent rather than soap to wash clothes because detergent contains surfactants that are more effective at removing dirt. This washing process produces waste that is usually disposed of directly into the environment. The indiscriminate disposal of laundry waste can cause environmental pollution because it contains pollutants, such as chemical oxygen demand (COD) and surfactants, that exceed established quality standards. The purpose of this research was to test the effectiveness of water bamboo plants in reducing COD and MBAS levels in laundry waste. This phytoremediation method utilizes microorganisms (rhizosphere microbes) living in the root system and planting media. These microorganisms decompose organic and inorganic materials in wastewater into simpler compounds, which are then used as nutrients by the plants. The most effective configuration for reducing COD and surfactant levels in laundry waste is 15 water bamboo plants with a residence time of three days. However, COD levels are still above the quality standard while surfactant levels are below it.

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