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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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Analisis Stabilitas Lereng dengan Metode Bored Pile untuk Penanganan Tanah Longsor pada Ruas Jalan Muara Teweh – Jalan Pasar Punjung Sta 29+400 Stephanus Alexsander; Fatma Sarie; Mohammad Ikhwan Yani; Nomeritae; Edsel Kennardo
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study analyzed the slope stability of Muara Teweh road section - Jalan Pasar Punjung STA 29+400. A landslide occurred on the left side of the road with a height of 15 m and a length of 50 m. The analysis was performed using the finite element method with Plaxis 2d program to obtain a safety factor (SF) value based on secondary data from field and laboratory tests, after which the bored pile was designed and then reanalyzed to obtain the SF value. The initial SF of 1.847 was not consistent with field conditions (SF < 1.07), so a back-analysis was performed, resulting in an SF of 1.044. To prove that the analysis was correct, a comparison with Bishop's Limit Equilibrium Method was performed, yielding an SF = 1.000, so the value is correct. The design of the bored pile is planned with two vertical piles per point, each with a diameter of 0.5 m, length of 5 m, and spacing of 1 m along 50 m. For the size and number of reinforcements, 4D16 longitudinal bars and Ø10 - 100 mm stirrups were used. After stabilization, the SF increased to 1.260, meeting the minimum SF > 1.25, which indicates it is considered safe.
Identifikasi Tahap Kesesuaian Pengelolaan Limbah Medis Di Rumah Sakit Z Kota Bandung Oktavian, Rizky Taufiq; Pharmawati, Kancitra
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Hospitals are places that have a higher risk of health problems for both healthy and sick people. Medical waste produced by hospitals affects human health, therefore the purpose of this study was to determine the level of suitability of medical waste management at Hospital Z in Bandung City. Solid medical waste has various types, such as infectious, pathological, sharp, pharmaceutical, cytotoxic, chemical, radioactive, and waste with high heavy metal content. The purpose of this study was to evaluate the suitability of solid medical waste management at Hospital Z according to relevant regulations. Primary and secondary data were collected for this study and the data were processed using a Likert scale scoring. The study includes reduction, sorting, containerization, symbols and labels, collection, storage and transportation between the existing conditions and PerMenLHK No. 56/2015, PerMenLH No. 14/2013. The results of the identification of the suitability of medical waste management in Hospital Z obtained a score of 91%, which is included in the very good category.
Descriptive Study of Reverse Logistics (RL) Activities and Ceramic Waste Innovation at PT. Lucky Indah Keramik Sawitri, Yulia; Maizi, Hazful; Malahayati, Aisyah Juliawulan
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study aims to analyze the implementation of reverse logistics in handling ceramic tableware products at PT. Lucky Indah Keramik, from end users back to the company. This activity provides benefits such as waste reduction, product cycle optimization, resource utilization, and improved customer satisfaction. The research method uses a descriptive approach, analyzing five dimensions: What, How, Who, Where, and Why and Why Not to evaluate the company's reverse logistics practices. The results indicate that PT. Lucky Indah Keramik has established clear return procedures, covering inspection flow, reverse logistics design, stakeholders, locations, motivations, obstacles, and corrective actions. The company also strives to optimize reverse logistics through reuse, repair, remanufacturing, and recycling to create an efficient and eco-friendly industry. Unusable ceramic waste is repurposed as aggregate material or handicrafts, minimizing environmental impact. The study concludes that PT. Lucky Indah Keramik's reverse logistics system operates systematically, supporting operational efficiency and environmental sustainability.
Perancangan Rute Distribusi Barang Menggunakan Metode Nearest Neighbour Pada CV Lima Jati Juniwati; Devi Rosita; Lina Aulia
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

A company must be effective and efficient in determining distribution route to saving distance and transportation cost in shipping goods. Distribution routes that are not optimal can cause delay in delivery and company has to spend higher cost for distribution. CV Lima Jati has problem in determining an optimal distribution route to deliver goods to customers. This research was conducted to design an optimal distribution route with minimum distance and distribution cost. Nearest Neighbour method can be applied to obtain an optimal solution to solve the problem. The data used consist of demand customers, distance between customers, distribution cost and vehicle capacity. The result shows an optimal distribution route with total distance 303,5 kilometers or 54,4% from existing total distance. Distribution cost total is Rp 387.618 or decrease 29%. The conclusion is an optimal solution which is efficiency total distance and distribution cost after designing distribution route by using Nearest Neighbour method.
Analisis Peningkatan Debit Air Larian Akibat Pembangunan Perumahan Kota Sumber, Kabupaten Cirebon Wardhani, Eka; Kurnia, Indianti; 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

This study analyzes the increase in runoff caused by residential development in Sumber, Cirebon Regency, West Java. Housing development causes land conversion into impervious areas, which reduces rainwater infiltration and potentially increases the risk of downstream flooding. This study uses the calculation of runoff discharge before and after development, the rational method to measure runoff discharge. The predicted pre-development runoff was 0.205 m³/sec, which increased to 0.685 m³/sec after the development was completed; the potential increase in runoff was 0.481 m³/sec. The results show the significant impact of the development on the increase in runoff and potential flood risk. As a solution, environmentally sound drainage practices such as detention ponds and infiltration wells were developed to reduce the impact.
Pemurnian Biogas Menggunakan Proses Adsorpsi Dengan Karbon Aktif Sebagai Adsorben Berlian Mustika Sari; Riyas Hadi Prasojo; Nana Dyah Siswati
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Biogas is a renewable energy source produced by the anaerobic digestion of organic matter.  However, impurities such as carbon dioxide (CO₂) found in raw biogas can reduce its quality as a fuel.  Therefore, a purification process is needed to increase the amount of methane (CH₄) in the biogas.  Adsorption using activated carbon as an adsorbent is one of the efficient purification techniques.  Due to its porous structure and large surface area, activated carbon is very good at absorbing gas pollutants.  By using the adsorption method to reduce the concentration of CO₂, this study aims to increase the amount of methane (CH₄) in biogas.  Changes in the height of the activated carbon adsorption column and the gas flow rate are part of the technique.  With an ideal adsorption efficiency of 96.65% at an adsorbent height of 20 cm and a flow rate of 200 ml/min, the results show that activated carbon is efficient in adsorbing CO₂.  After the adsorption process, the CH₄ content increased to 98.51%, which meets the requirements of the Indonesian National Standard (SNI) for biogas quality.  This research advances the technology for the purification of biogas, which can be used as a renewable energy source.
Efektivitas Azolla microphylla dalam Menurunkan COD, TSS dan BOD Air Lindi TPA , Irhamni; Murtaja, Rian; Yahya, Husnawati; Erdiwansyah, Erdiwansyah
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Leachate is a liquid waste formed due to water seepage into waste piles containing high concentrations of organic and inorganic compounds that have the potential to pollute the environment. This study aims to evaluate the effectiveness of Azolla microphylla plants in reducing leachate pollutant parameters from the Blang Bintang TPA through the phytoremediation method. Variations of treatments include plant masses of 300 and 400 grams and residence times of 7 and 14 days. The parameters analyzed include Chemical Oxygen Demand (COD), Total Suspended Solid (TSS), and Biochemical Oxygen Demand (BOD). The results showed that the best treatment was obtained at a plant mass of 400 grams with a retention time of 14 days, with the effectiveness of reducing COD by 22.95% (from 758 mg/L to 584 mg/L), TSS by 60.80% (from 523 mg/L to 205 mg/L), and BOD by 22.40% (from 424 mg/L to 329 mg/L). Although it has not met the leachate quality standards based on Permen LHK No. 59 of 2016, the use of Azolla microphylla shows potential as an environmentally friendly phytoremediation agent. It can be further developed as part of a sustainable leachate treatment system.
Purwarupa Pembangkit Listrik Tenaga Air Pico Hydro Dengan Regulator Untuk Lampu Jalan Dan Port USB Charger Jutri Bonal; Wendy Yuniarto; Agus Riyanto
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Nanga Bayan Village, tucked away in the beautiful Ketungau Hulu Sub-district of Sintang Regency, West Kalimantan, is a place full of natural wonders. It's home to stunning waterfalls, and while it's still working through some challenges with infrastructure, including limited access to electricity, internet, and transportation, the community is strong and hopeful for a better future. We're working on a prototype of a Pico Hydro Power Plant (PLTAPH) that has a voltage stabilizer. We're hoping to create a renewable energy solution for street lighting and USB charging. The system uses a Pelton turbine made from 300 mm PVC pipe with 10 blades and a 6 mm nozzle to regulate water head and flow rate. The potential energy from a 1.5-meter water drop is lovingly harnessed with the help of a water pump to drive the turbine and rotate a 24V permanent magnet DC generator capable of producing up to 30 Watts at 1300 rpm. The street lighting system has a light sensor (LDR) to automatically control it, which is great for efficiency and the environment. This research also develops a learning module based on local potential and enhances researchers' understanding of sustainable renewable energy solutions.
Analisis Performa Struktural Material SAPH440 untuk Rangka Dandori Dies Mesin Press Industri -, Ujiburrahman; Boni Sena; Mohamad Zaenudin
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the sheet metal forming process within the automotive and heavy machinery industries, the Dandori frame component in the die system plays a crucial role as a compressive load-bearing support. This study aims to analyze the static performance of the Dandori frame structure in a press machine using SAPH440 material. The method employed is the Finite Element Method (FEM) based on SolidWorks software to evaluate displacement, von Mises stress, and the factor of safety parameters under load variations of 1000 kg and 2000 kg. Simulation results show that the maximum deformation is only 0.032 mm, indicating high structural stiffness. The maximum stress recorded is 14.286 MPa, uniformly distributed without excessive concentration, and well below the material's yield strength. Meanwhile, the factor of safety is evenly distributed with a value of 3 throughout the structure, indicating a safe design condition. Overall, the simulation results demonstrate that SAPH440 is a suitable and effective material for use in Dandori die frames under static load applications.
Development of Eco-Friendly Biocomposite Films Based on Whey Protein Isolate and Carboxymethyl Cellulose with Silica as a Filler Azwar; Mukhlishien
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research endeavor focuses on the development of biodegradable composite films. The constituents utilized comprise Whey Protein Isolate (WPI) and Carboxymethyl Cellulose (CMC). Additionally, varying quantities of silica filler are incorporated into the formulations. Films were created using two different CMC amounts (0.75g and 1g) and varying silica levels (0g, 0.05g, 0.15g, 0.25g, 0.35g, and 0.45g). The research systematically examined how the addition of silica affected the films' thickness (which increased from 0.126 mm to 0.371 mm with higher silica content), water absorption, biodegradability, and surface structure. Silica addition also reduced water absorption significantly, improving the film’s resistance to swelling. Biodegradation tests showed all samples met the SNI biodegradability standard (>60%), although higher silica levels reduced the rate of degradation due to its hydrophobic nature. SEM analysis illustrated that films with added silica exhibited smoother, denser surfaces with fewer voids, indicating improved particle distribution and better structural integrity. Overall, the incorporation of silica and CMC successfully enhanced the functional performance of WPI-based biocomposite films. The optimal silica concentration (0.05–0.25 g) provided a good balance between mechanical strength, water resistance, and environmental degradability.

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