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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 Kuat Tekan Sulfur Polymer Concrete dari Pemanfaatan Limbah Sulfur Tanpa dan Dengan Proses Pemadatan Sari, Nur Fajar Aprilia
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The mixture of hydrocarbon compounds in crude oil accounts for 90-95% of the oil's weight, while the remainder consists of non-hydrocarbons such as sulfur, oxygen, nitrogen, and metals. Sulfur in crude oil is removed due to its odor and corrosive properties. If this sulfur waste is not managed properly, it can have negative impacts on the environment. This research aims to analyze the compressive strength behavior of Sulfur Polymer Concrete (SPC) produced without a compaction process and Sulfur Polymer Concrete produced with a compaction process. SPC produced with a compaction process has a higher compressive strength than SPC produced without compaction. This is evident in the A3 variation, where the A3 variation produced with compaction has a compressive strength of 14 MPa, while the A3 variation produced without compaction has a compressive strength of 3.4 MPa. The similarity in the compressive strength of SPC produced without compaction and SPC produced with compaction lies in the pattern where the compressive strength reaches a saturation point. The addition of sulfur increases the compressive strength, and when it reaches its saturation point, the strength decreases with further addition because there is no more aggregate available to be bound, causing the sulfur to solidify.
Pemanfaatan Hydrilla verticillata untuk Menurunkan Konsentrasi Cu2+ pada Air Limbah Pelapisan Logam melalui Variasi Berat Tumbuhan Izzah, Nuril; Amalia, Aussie; Syadzadhiya Qothrunada Zakiyayasin Nisa'
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Liquid waste from metal-plating industries is known to contain copper (Cu²⁺), which is toxic to living organisms if not properly treated. Hydrilla verticillata is an invasive aquatic plant capable of rapid growth and heavy metal accumulation, making it a potential candidate for use in wastewater treatment through phytoremediation. This study aims to analyze the effect of the weight of Hydrilla verticillata on the reduction of Cu²⁺ concentration in metal-plating wastewater. The wastewater used in this study was effluent that had undergone preliminary treatment with the addition of lime and NaHCO₃. The experiments were carried out in a 5-liter laboratory reactor for 15 days, including a 5-day acclimatization period and a 7-day initial toxicity test (Range Finding Test). The weight variations of Hydrilla verticillata used were 75 g, 100 g, and 125 g. The results showed that Hydrilla verticillata was able to reduce Cu2+ concentration by up to 99.05% at a weight of 125 g within 15 days. This indicates that the weight of Hydrilla verticillata significantly influences the reduction of copper (Cu2+) in metal-plating industrial wastewater.
Identifikasi Tipologi Signage Wisata Sebagai Optimalisasi Cagar Budaya dalam Pengembangan Pariwisata di Banda Aceh Alidha, Seprina Yana; Nisa Putri Rachmadani; Alfikhairina Jamil
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Tourism signage in cultural heritage areas plays a crucial role as a visual information element that enhances visitors’ experiences and reinforces the destination’s identity. Unsynchronized signage design and placement can reduce tourist comfort and weaken the overall attractiveness of the area. This study aims to examine the existing conditions and identify the visual and informational characteristics of tourism signage in the cultural heritage areas of Banda Aceh. The research employs a qualitative descriptive approach through direct observation, visual documentation, and a literature review on wayfinding design and visual communication principles. The findings indicate that the integration of design, cultural context, and informational functions is essential to create a meaningful visitor experience. Classification based on visual design characteristics reveals significant variations in typology, quality, and design integration across locations. Most signage is directive or regulatory in nature, with limited interpretive elements that convey historical narratives effectively. Wayfinding signage is relatively adequate in key points such as PLTD Apung but lacks holistic integration in more complex areas like Pintu Khop and Baiturrahman Grand Mosque. In terms of visual design, inconsistencies were found in readability, materials, and typography, which often fail to align with local cultural identity. Overall, Banda Aceh’s signage system remains suboptimal in supporting the educational and narrative functions of its heritage tourism.
Pengaruh Komposisi Bahan Baku Ampas-Kulit Kopi dan Jenis Perekat terhadap Karakteristik Biobriket serta Emisi Gas Rumah Kaca pada Proses Produksi Delia Anisa Putri; Aussie Amalia
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The utilization of coffee waste as an alternative fuel is a potential strategy in supporting organic waste management and the transition towards renewable energy. This research aims to analyze the effect of variations in the composition of coffee grounds and husk, as well as the type of binder, on the characteristics of bio-briquettes, while also evaluating the greenhouse gas (GHG) emissions generated during their production process using a Life Cycle Assessment (LCA) approach. The experimental method was carried out through the carbonization process of coffee waste at a temperature of 450°C for 80 minutes, followed by mixing the 60-mesh charcoal with bentonite and pulp binders. Characteristic testing, including moisture content, ash content, calorific value, and combustion rate, referred to SNI 01-6235-2000, while the LCA analysis was conducted using SimaPro software with the IPCC GWP100 (2021) method. The results showed that the combination of 100% coffee grounds with a pulp binder produced the best performance with the lowest moisture (4.2%) and ash (1.2%) content, a high calorific value (>6,000 cal/g), and a stable combustion rate. Thus, this combination is recommended as it yields optimal quality while lowering the environmental impact of production. The carbonization stage was the largest contributor to GHG emissions (25.11 kg CO₂-eq/kg product), followed by oven drying (3.77 kg CO₂-eq/kg). These findings affirm the importance of raw material optimization and energy efficiency in enhancing the quality and sustainability of bio-briquette production.
Optimizing Coil Raw Material Inventory for Pipe Manufacturing Using EOQ, Reorder Point and Safety Stock at PT. XYZ Kemal Darma Nazidan; Isna Nugraha
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Steel coil raw material inventory plays an important role in ensuring the smooth production process. PT XYZ faces inventory instability, both in the form of shortages and excess stock, which causes production constraints and increases storage costs. This study aims to determine the most accurate forecasting method, calculate the economic order quantity, determine the reorder point, and determine the amount of safety stock so that inventory control is more optimal each month. The methods used include forecasting with Economic Order Quantity to predict raw material needs and calculations. Reorder Point and Safety Stock to determine the order quantity, optimal inventory, and the minimum point of raw materials for restocking. Based on the analysis results, the pattern of steel coil usage shows a seasonal trend. The forecasting results using the Weighted Moving Average method provide the smallest error rate with an MSE value of 5,856,347.80 and a MAD of 2,175.80. Through the application of the EOQ method, the optimal order quantity is 3039 tons, a reorder point of 3162 tons, and a safety stock value of 4,572.447 tons. The conclusion obtained from this study is that the forecasting and EOQ methods are able to increase the efficiency of inventory control and minimize the risk of shortages of coil raw materials every month at PT XYZ.
Analisis Perbandingan Nilai Gizi Ulat Tepung (Tenebrio Molitor) dengan Perlakuan Katalis dan Substrat yang Berbeda Muh. Satria Arhamza; Mohammad Mirwan
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research aims to analyze the comparative nutritional value of mealworms (Tenebrio molitor) cultivated using various catalysts and organic substrates in the bioconversion process. The research was carried out through seven treatment groups that combined organic waste with two types of catalyst, namely amino acids and leachate, as well as three types of substrate, namely rice bran, coffee grounds and sawdust. Each treatment was maintained in the same environmental conditions for 30 days. Nutrient parameters including protein, fat, water and ash levels were analyzed using the proximate analysis method based on the AOAC procedure (2016). (Gaithersburg, 2016) Data were processed descriptively to compare differences in nutritional composition between treatments. The results showed that the combination of leachate and rice bran produced the highest protein content (21.35%), while the sawdust-based treatment showed the lowest nutrient content due to limited digestibility. These findings indicate that the type of catalyst and substrate substantially influence the nutritional composition of T. molitor, and optimal bioconversion efficiency can be achieved under conditions of balanced organic substrate and catalyst. The integration of biocatalyst and substrate modification thus improves the nutritional quality of mealworms while supporting sustainable waste management practices.
Regenerasi Kinerja Fluks Membran PVDF Ultrafiltrasi Menggunakan Kombinasi Asam Sitrat & H2O2 Dalam Pengolahan Air Sungai Jagir Pamungkas, Kresna Setyawan Adhi; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Polyvinylidene fluoride (PVDF)-based ultrafiltration membranes are widely used because they can remove suspended and dissolved contaminants from water. However, fouling remains a major challenge, causing flux reduction and shortening the lifespan of the membrane. This study evaluated the performance of PVDF membranes when filtering Jagir River water, and assessed the effectiveness of stepwise washing with citric acid (C₆H₈O₇) and hydrogen peroxide (H₂O₂). Experiments were conducted at operating pressures of 1, 1.5 and 2 bar. Membrane flux was measured under four operating conditions: initial flux using distilled water (Jw1); river water flux before washing; flux using distilled water after washing (Jw2); and river water flux after washing. The results showed that Jw1 increased with increasing pressure, reaching a maximum value at 2 bar. However, river water filtration caused a significant decrease in flux due to fouling. Stepwise chemical washing partially recovered the flux, as indicated by the increases in Jw₂ and river water flux after washing. However, full recovery was limited by irreversible fouling. The highest Flux Recovery Ratio (FRR) value was obtained at 2 bar with a 6 wt% washing solution, indicating that the combination of high pressure and chemical treatment provides optimal performance recovery. Overall, the PVDF membrane can be effectively regenerated using citric acid and hydrogen peroxide; however, organic and inorganic mixed fouling limits total flux recovery.
Analisis dan Solusi Kemacetan Lalu Lintas di Simpang Bersinyal (Studi Kasus: Simpang Bersinyal Jl. Panglima Batur Kota Banjarbaru) Munanjar, Muhammad Chairi; Jihan Alya Nabillah; Hafsha Yanti Siregar
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Banjarbaru as one of the strategic cities is experiencing rapid development. This development has an impact on increasing vehicle volume. One of the intersections that often experiences congestion is the signalized intersection on Jalan Panglima Batur, which connects the North Approach (Jalan Pangeran Suriansyah Ujung), the South Approach (Jalan Pangeran Suriansyah), and the West Approach (Jalan Panglima Batur Timur) and the East Approach (Jalan Panglima Batur). This study aims to analyze the performance of the signalized intersection of Jalan Panglima Batur using the MKJI method, 1997. The parameters analyzed include traffic volume, approach capacity, degree of saturation (DS), and level of service (Level of Service/LOS). The results of the analysis show that the East Approach (Jalan Panglima Batur) which has the worst degree of saturation and LOS values ​​compared to the other 3 intersection approaches has the same Level of Service (LOS) value, namely type F. This condition indicates that the intersection capacity is no longer able to accommodate the existing traffic volume, causing congestion, large delays, and long queues at all approaches. To improve intersection performance, improvements are needed, such as adjusting signal cycle times, widening lanes on approaches with the highest traffic volumes, and restructuring activities around the intersection that cause high side traffic, particularly in shopping areas.
Optimasi Tata Letak Gudang Interior PT. XYZ melalui Penerapan Class Based Storage dengan Klasifikasi ABC Yunianto, Moreno; Rudi Tjahyono
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The interior warehouse at PT. XYZ, a bus body manufacturing company, experiences operational inefficiencies due to the implementation of a Dedicated Storage system. This system leads to non-optimal picking times and long travel distances for operators, especially during peak activity periods (rush hour), because high-movement items are not strategically placed near the Input/Output (I/O) point. This research aims to optimize the warehouse layout by implementing the Class-Based Storage method based on ABC classification. Data on item movement (inbound and outbound) over 12 weeks were collected and analyzed. The ABC analysis categorized items into three classes: A (fast-moving), B (medium-moving), and C (slow-moving). The results show that four items (Snap ring outer, Masking Tape, Karet O-ring, and Transition Board) belong to Class A, contributing to 74% of the total movement frequency. The proposed layout places Class A items closest to the I/O point, Class B in the middle area, and Class C on the second floor. This systematic reorganization is expected to significantly reduce picking time and travel distance, improve space utilization, and ultimately enhance overall warehouse productivity and support smoother production operations at PT. XYZ.
Inovasi Rocket Stove Sebagai Solusi Pengurangan Limbah Padat Domestik di Kota Palangka Raya Gusti Iqbal Tawaqal; Yoga Lesmana, Rudy
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Direct waste incineration is frequently adopted by some communities as an immediate solution for waste management; however, this practice contributes air pollution and the release of dioxins. Open burning releases plumes of thick black smoke containing fine particulate matter, carbon monoxide, and other hazardous compounds. There is a pressing need for appropriate technology capable of significantly reducing waste volume at the source, while remaining environmentally safe and economically viable. The rocket stove, renowned for its high combustion efficiency and low emissions, presents potential as a thermal solution for managing non-hazardous combustible waste. This study was conducted by performing a comparative experimental analysis between the rocket stove method and open burning/conventional, utilizing three experimental replications. The results indicated that the average waste reduction effectiveness of the rocket stove was 98.7% with minimal smoke production, whereas open burning achieved 81.3% with very poor emission quality. Furthermore, the rocket stove demonstrated superior supplemental fuel efficiency, requiring only a single fuel addition compared to the three to five additions necessitated by open burning. Consequently, the rocket stove design significantly mitigates air pollution compared to traditional methods( evidenced by the contrast between minimal smoke and thick smoke) rendering it a safer alternative for waste volume management.

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