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Muhammad Nizar
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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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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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Analisis Perubahan Penggunaan Lahan pada Area Sekitar Stasiun Bandar Khalipah Kabupaten Deli Serdang Sumatera Utara Sugianto; Hadinugroho, Dwi Lindarto; Thoha, Achmad Siddik
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Sustainable urban planning requires the integration of land use and transport to create efficient, safe and sustainable areas. One approach that supports this is the impact of regional development due to station operations, as illustrated by land use change. This research aims to analyse the land use change around Bandar Khalipah Station in Deli Serdang Regency as a potential area for TOD development in the future. This research uses visual interpretation method to classify land use using Google Earth satellite images in the period of 2014, 2018 and 2024. Data analysis was conducted by analysing the land use area and land use change matrix in the period of 2014 - 2024. The results of this study showed that there were changes in land use from the period 2024 - 2024. Land use in the area around Bandar Khalipah Station consists of six types, namely public areas and green open spaces, station and railway areas, commercial areas, offices, settlements and roads. Land change in 2014-2024 is most dominant in public areas and green open spaces. Public areas and green open spaces experienced a decrease in area due to land change into commercial and residential areas, so these two land categories experienced a significant increase in area.
Microalgae Cultivation and Its Potential for Phycoremediation Agent Imroatin Sakinah Rahmatina; Harmin Sulistiyaning Titah
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Microalgae can be an ecological remediation agent known as phycoremediation. Understanding these factors is critical in producing the expected products efficiently. Several factors affect microalgae growth, including nutrients, temperature, pH, CO2 concentration, lighting, microalgae photosynthesis processes, and hydrodynamic factors. Microalgae Chlorella vulgaris has the potential to survive in media contaminated with heavy metal and high salinity levels. It can reduce the concentration of heavy metals in water through several mechanisms. Further research must be conducted to determine the factors influencing microalgae growth. The research was conducted to observe the growth rate of microalgae in a controlled photobioreactor. The cultivation was carried out in a plastic photobioreactor equipped with aeration, lighting, and the addition of nutrients. The first stage of the research was observations on C. vulgaris growth with 30% inoculum and 20% inoculum. The C. vulgaris growth rate is 0.133 cells/mL/day and 0.927 cells/mL/day, respectively. The second stage of the research was observations on C. vulgaris growth with 20‰ salinity, and the variation used is the aeration, 3 L/min, and 4 L/min. The C. vulgaris growth rate is 0.263 cells/mL/day and 0.236 cells/mL/day, respectively.
Dampak Lingkungan dari Teknologi Pengolahan Sampah Menjadi Energi di Indonesia: Perspektif Life Cycle Assessment Amelinda Dhiya Farhah; Mochammad Chaerul; Haryo Satriyo Tomo
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The principle of reduce, reuse, recycle (3R) serves as the main reference in waste management, but further efforts are needed to handle non-recyclable materials. Based on the waste management hierarchy, the next step is energy recovery through waste-to-energy (WtE). WtE technology can generate renewable energy as a substitute for fossil fuels while reducing waste disposal in landfills. Various WtE technology options are available, depending on the heterogeneous characteristics of waste. According to the Ministry of Public Works and Housing, waste treatment technologies in Indonesia include physical, biological-chemical, and thermal processes. Although WtE offers benefits, its potential impacts must also be considered. This study reviews trends in Indonesia regarding the use of the life cycle assessment (LCA) method as a tool for evaluating different WtE technologies from an environmental perspective. The review covers the analyzed functional units, selection of impact categories, supporting software, and the application of sensitivity analysis and data uncertainty. The findings from LCA applications can assist policymakers in designing sustainable WtE management strategies.
Analisis Penyebab Terjadinya Overcapacity Pada Gudang Menggunakan Metode Root Cause Analysis (RCA) di PT. XYZ Bayu Dedi Saputra Budianto; Akmal Suryadi
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT. XYZ is a manufacturing company that assembles bicycles. The company's problem is that there is excess capacity in the warehouse owned by PT. XYZ. Overcapacity occurs when the number of incoming goods exceeds the optimal capacity of the warehouse. The purpose of this study is to identify the cause of overcapacity in the warehouse of PT. XYZ's warehouse and to find a solution to the problem in order to prevent similar incidents in the future. The method used is root cause analysis and the tools used are fishbone diagram and 5-why analysis. The results of the study using the fishbone diagram show that there are four aspects that are the root causes, namely errors in purchasing planning (man), excessive use of pallets (method), accumulation of bicycle spare parts (material), use of warehouse capacity that is not optimal (environment). Each of these aspects has a known trigger root after applying the 5-why analysis. Once the triggers of each problem are known, the preparation of corrective actions, which are solutions, is accompanied by the company's commitment to implement the solution in order to prevent problems that have the potential to recur.
Eksplorasi Binahong (Anredera Cordifolia (Ten.) Steenis) Batang Hijau dan Merah: Studi Organoleptik, Mikroskopis dan Skrining Fitokimia Hesti Purwaningsih; Ruth C Nababan; Firmansyah, Yura Witsqa
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

There are two types of binahong, namely red stem binahong and green stem binahong, but the scientific name of these two types is the same, namely Anredera cordifolia (Ten.) Steenis. This research aims to carry out organoleptic, microscopic identification and phytochemical screening on the leaves, stems and tubers of red stem binahong and green stem binahong. The data obtained were analyzed qualitatively descriptive. The results of organoleptic research on green stem and red stem Binahong leaves have a heart shape, pointed tip, thin limp leaf blades, smooth surface and slimy. Soft stems, cylindrical shape, twisted together. The shape of the tuber resembles a rhizome, has soft flesh. However, the surface of the leaves and stems of red stem binahong is thicker than green stem binahong. The results of microscopic examination showed that the leaves contain epidermal tissue, oxalate crystals and vascular bundles. The stem contains epidermis, parenchyma and vascular bundles. The tuber contains parenchyma, vascular bundles and ergastic matter in the form of starch. The results of phytochemical screening of the green leaves of Binahong plant were positive for containing flavonoids, saponins, tannins and steroids. The positive stem part contains saponins and tannins. And the positive tuber part contains alkaloids, flavonoids, saponins and tannins. Furthermore, in red stem binahong, the leaf part was positive for containing flavonoids, tannins and terpenoids and the stem part was positive for containing flavonoids and tannins.
Analisis Pengaruh Elektrolit NaCl Pada Baterai Aluminum - Udara Terhadap Tegangan dan Arus Dominico Da Silva, Ricardo; , Firas Maulana; Kurniawan, ekki
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

With the rapid development of technology, this will affect the increasing demand for electrical energy, where the use of electrical energy generally uses fossil-based electrical energy. Therefore, with the presence of aluminum-air batteries with its existing advantages including high energy density, abundant raw materials and environmentally friendly properties as an alternative source solution, if built on a large scale it could be used for remote areas. In this research, the first experiment is conducted without using solar panels and the second experiment is conducted with solar panels. The test results show that aluminum air batteries connected to solar panels are more effective in producing a large enough voltage and current with a mixture of a small NaCl electrolyte solution, namely with a composition of 24 grams of salt mixed with 1 liter of water, which can produce a battery output of 14.1 volts and a current of 19.1 mA for direct current. One factor that determines the effectiveness of the performance of aluminum-air batteries is the concentration of the electrolyte solution used.
Analisis Pengelolaan Sampah Terpadu (Studi Kasus: Kabupaten Bireuen) Elvida, Desi; Rahmat Abbas; Cut Azizah`
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The waste problem is in the national spotlight as the population grows every year and more and more waste is produced. Waste management in Bireuen Regency is still based on the old paradigm of collection-transport-disposal, with waste management services focused only on urban areas. The transported waste is simply dumped in the landfill and incinerated. This research aims to determine the waste management system in Bireuen Regency. The method used in this research is observation and interviews regarding the operational system of waste management and calculation of waste generation based on estimates of waste generation. The research results show that the amount of waste produced based on the estimated waste generation is 221,937 kg/day, while the amount of waste transported is 52,316.5 kg/day. The existing waste management system in Bireuen Regency still follows the old paradigm of collect-transport-disposal. An integrated waste management system in accordance with Law 18 of 2008, namely reduction and treatment.
Uji Efektivitas Kombinasi Filter-Adsorpsi Arang Tempurung Kelapa Pada Penurunan COD dan TSS Limbah Cair RPH Navisa Ika Irmayanti; Mohamad Mirwan
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Slaughterhouse waste is one of the sources of water pollution. If not properly managed, the slaughterhouse industry can have a significant negative impact on the environment and humans. The purpose of this study was to analyze the effectiveness of the combination of coconut shell charcoal filter-adsorption on the reduction of COD and TSS of slaughterhouse liquid waste. Slaughterhouse liquid waste is flowed into a filtration-adsorption reactor with a flow rate of 54 ml/minute and using the Slow Sand Filter (SSF) method, downflow flow with a continuous system. There are five reactors namely filtration-adsorption reactors A, B, C, D and E with different filter media in each reactor with sampling times of 0, 30, 60, 90 and 120 minutes. The variables measured were the effectiveness of the filter media reactor in reducing COD and TSS parameters, the adsorption capacity of reactors B and C, and the breakthrough time on the filter media of reactors B and C. The results showed that the best reactor effectiveness was in reactor E, which was able to remove 75% COD and 70.8% TSS parameters with a mesh size of 100 and a sampling time of 120 minutes. The highest adsorption capacity on 10 mesh and 100 mesh coconut shell activated carbon media was 0.0222 mg/mg adsorbent and 0.0233 mg/mg adsorbent, respectively. The breakthrough time obtained varied from 0.78 days to 1.60 days in each reactor.
Uji Kuat Tekan Beton Dengan Penambahan Limbah Ampas Kopi Sebagai Substitusi Parsial Semen Arqowi Pribadi; Mega Ayundya Widiastuti
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Concrete is the main material used in construction and is a mixture of sand, gravel, cement and air. The addition of materials such as coffee grounds can be an environmentally friendly alternative to partially replace cement in concrete mixes. This study examines the effect of variations in the addition of coffee grounds on the compressive strength of concrete, with the proportions of coffee grounds tested being 0%, 2.5%, 5%, and 7.5%. Tests were conducted on concrete cylinders of 150 mm diameter and 300 mm height, and the compressive strength was measured after 28 days of treatment. The test results showed that the addition of coffee grounds caused a decrease in the compressive strength of the concrete, with the average compressive strength values at 0%, 2.5%, 5%, and 7.5% variations being 36.78 MPa, 20.94 MPa, 16.98 MPa, and 11.04 MPa, respectively. Although coffee grounds cannot completely replace cement, this material can potentially be used as an environmentally friendly alternative for non-structural concrete applications. It can reduce the waste of coffee grounds while reducing the use of cement in construction, albeit with an impact on concrete strength.
Analisis Konsumsi Energi Listrik Pompa Sirkulasi Cooling Tower P21C Menggunakan Inverter di PT Unilever Oleochemical Indonesia Yoel Wesly Dirney Lumbantoruan; Parlin Siagian; Haris Gunawan
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The cooling tower circulating pump circulates cooling water throughout the cooling system by controlling the rotation of the circulating pump using an inverter. The method in this research uses quantitative methods. The research aims to analyze two circulating pump units with and without inverter. The results of one year of research on circulation pumps without inverter consumed 48,180 kWh of electrical energy and circulation pumps with inverter consumed 31,083.4 kWh of electrical energy, the resulting electrical energy savings was 17,096.6 kWh at a cost of IDR 19,058,263.9. Using an inverter can save electric energy consumption because the speed of the circulation pump can be adjusted, which causes the output voltage to vary and not always remain constant at the maximum value, so the electric energy consumption is lower.

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