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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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Tahapan Penyusunan Dokumen Rencana Pengamanan Air Minum (RPAM) Nugraha, Tazkia Safitri; Mohamad Rangga Sururi
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Drinking Water Safety Plan (WSP) is a systematic approach to ensuring the quality and safety of the community's drinking water. With increasing challenges such as contamination of raw water sources, climate change, and population growth, the development of WSPs is critical to protecting public health from the risks of waterborne diseases. In addition, the lack of guidance in the development of RPAMs indicates that clear documents and training are critical to the successful implementation of WSPs. The process of developing a WSP document involves four main stages: preparation, risk analysis system, management and communication, and feedback. Each stage is designed to help identify and manage risks that may affect the quality of water the community receives. Stakeholder involvement and clear guidance are critical to the successful implementation of the WSP. Through this approach, the WSP is expected to increase community access to safe and quality drinking water in line with the Sustainable Development Goal (SDG) 6.1 target to achieve universal and equitable access to safe and affordable drinking water for all by 2030.
Kajian Kinerja Pembangkit dan Emisi Gas Buang dari Kegiatan Co-Firing Menggunakan Tongkol Jagung di PLTU Sumbawa Barat Ariwibawa, Yunisetya; Brunner, I Made Indradjaja
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Co-firing activities have been implemented at the Sumbawa Barat Power Plant (PLTU), which has a capacity of 2 x 7 MW and is operated by PT PLN UPK Tambora. The power plant uses a stoker type boiler fired with low calorific coal and biomass. The biomass used for co-firing is corn cobs, which are readily available in the vicinity of the power plant. The co-firing process involves combining 3% dried corn cobs with 97% coal. The mixture is first prepared manually at the dry coal site. The mixture is then processed through a crusher to ensure a uniform particle size. Finally, the ground mixture is fed into the boiler room via a coal feeder. Key generator metrics are monitored, including coal flow, total air flow, furnace exit gas temperature, furnace exit pressure, main steam temperature, and main steam pressure. In addition, air quality emissions, specifically the levels of SO2 and NOx in the flue gas, are being monitored. The co-firing activity, conducted over a 3-hour period, showed that the operating parameters of the generator did not undergo significant changes and remained suitable for the safe operation of the power plant. In addition, the levels of SO2 and NOx in the flue gas decreased compared to the use of 100% coal.
Analisis Breakdown Selang Plougshare M109 di Pabrik Phonska I PT Petrokimia Gresik Menggunakan Metode RCA Lilmumazzaini, Farista; Lilmumazzaini, Sumiati
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The purpose of this study is to analyze the root causes of the plowshares hose failures in the rotary pelletizer (M109) at Phonska I Plant, PT Petrokimia Gresik, which frequently experience tearing, detachment, and leakage. The Root Cause Analysis (RCA) method using Fishbone Diagram and 5 Whys was applied to identify the root causes. Data was collected from the shutdown and work order history of the M109 equipment during January-November 2024. The analysis revealed that the root causes were lack of installation and inspection SOPs, inappropriate hose materials for operating conditions, and high machine vibration. Recommended improvements include developing SOPs for installation and inspection, using high-quality hose, and installing pressure and vibration monitoring equipment. Implementation of these recommendations is expected to improve machine reliability and reduce the frequency of failures.
Rekomendasi Tempat Penyimpanan Sementara Limbah B3 (TPS LB3) PT X Industri Transportasi Muchammad Kasyfurrahman Shidqi; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The management of hazardous and toxic waste (B3 waste) is crucial in industrial sectors to prevent environmental damage and ensure the safety of humans and other living beings. This research focuses on the design and recommendation of a Temporary Storage Facility (TPS) for B3 waste at PT X, which operates in the transportation industry. The types of B3 waste identified include used oil, used rags, brake fluid, grease, and radiator water. Using a multi-method approach, the study used interviews, observations, and logbook analysis to determine the characteristics, quantities, and storage requirements of the waste. The research also adhered to Indonesian regulations to ensure compliance in waste management and storage. The recommended TPS design includes features such as proper ventilation, fire extinguishers, first aid kits, and labeling based on waste characteristics. Storage capacity calculations and layout have been optimized to match existing site conditions and ensure operational efficiency. The proposed TPS layout is expected to enhance workplace safety, minimize environmental contamination risks, and improve overall waste management practices at PT X.
Perbandingan Efisiensi Energi dan Kualitas Produk pada Teknologi Termal Pirolisis dan Gasifikasi Sampah Plastik: Studi Literatur Noverly Arisani, Shelly; Mila Dirgawati; Novi Fitria
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The problem of plastic waste generation is increasingly pressing in Indonesia. Thermal technology offers an alternative solution that is more environmentally friendly in managing plastic waste. This literature study aims to compare pyrolysis and gasification technologies in converting plastic waste into energy. The analysis was carried out by reviewing various relevant studies. The results of the study indicate that both technologies have the potential to reduce plastic waste generation and produce value-added products. Pyrolysis is a thermal decomposition process without oxygen that produces oil, gas, and charcoal. Gasification produces syngas that can be used as fuel. This process requires limited oxygen and produces more diverse emissions. The comparison between pyrolysis and gasification shows that the selection of the right technology depends on several factors, such as the type of plastic, the desired product quality, and environmental considerations. Pyrolysis is more suitable for oil production, while gasification is more flexible in producing various types of gas products. Overall, both pyrolysis and gasification have great potential in managing plastic waste. However, further research is needed to optimize the process and reduce environmental impacts. Thus, thermal technology can be a sustainable solution in overcoming the problem of plastic waste in Indonesia.
Efektivitas Jenis Media Pada Penurunan Kandungan Polutan Air Limbah Laundry Menggunakan Moving Bed Biofilm Reactor Dinda Putri Sriweni; Novirina Hendrasarie
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

There is an increase in business activity in various fields, one of which is laundry services. This business can develop due to the increasing public demand for laundry services. The more laundry services are developed, the more waste is produced, which becomes an environmental problem. The development of this research idea is to use a variety of natural media (Bambo) and non-natural media (Kaldness K1 and Sponge) to determine the reduction of BOD5, COD, TSS and detergent. As a result, a waste water pollutant content test was carried out and the initial test results were BOD5 334 mg/l, COD 924 mg/l, TSS 142 mg/l and detergent 13.6 mg/l. The initial results show that the pollutant doesn't meet the quality standard according to the Governor's Regulation No. 72 of 2013, so it is necessary to carry out waste water treatment. The research results showed that Kaldness K1 media was the most effective in reducing the pollutant with BOD5 29 mg/l, COD 85 mg/l, TSS 48 mg/l and detergent 3.3 mg/l. Meanwhile, Bambo media has the lowest effective in reducing the pollutant BOD5 66 mg/l, COD 167 mg/l, TSS 59 mg/l and Detergent 4.7 mg/l. In conclusion, the MBBR method can reduce pollutants according to Governor Regulation No. 72 of 2013.
Pengelolaan Reklamasi Lahan Pascatambang Nikel di Sulawesi Tenggara Menggunakan Fitoremediasi (Studi Kasus: PT. X) Savitri, Asri Ramadhani; Ipung Fitri Purwanti
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Law No. 3 of 2020 on Mineral and Coal Mining states that reclamation is an activity that must be carried out during mining operations in order to repair, restore and improve the quality of the environment and ecosystems so that they can function again according to their mission. Phytoremediation can serve as an alternative solution in reclamation activities that is cost effective, efficient and environmentally friendly. This research aims to determine the efficiency of nickel reduction using Sengon (Paraserianthes falcataria), while calculating and analysing the financial requirements and risk management involved. Nickel post-mining soil was placed in 25x25 cm polybags and four-month-old Sengon was planted. The plants were maintained with fertiliser and humic substances and watered daily. Nickel levels in the soil were measured using atomic absorption spectrophotometry (AAS). The results showed that reactor H0P0 (100% post-mining soil) successfully removed 72.5% of the nickel.
Pengurangan Kadar Ammonia dalam Limbah Cair Pupuk pada Jet Bubble Column Menggunakan NaOH Adis Aisyah Amini; Indah Purnamasari; Erwana Dewi
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

As a developing country, Indonesia is experiencing continuous industrial growth, including the urea fertiliser industry. The presence of the urea fertilizer industry produces wastewater containing ammonia pollutants, a primary component in the manufacture of fertilizers. Wastewater containing ammonia is discharged into rivers, polluting the environment and affecting living organisms both directly and indirectly. The aim of this study is to reduce the ammonia levels in the fertiliser effluent and to monitor the effect of the added NaOH solvent using a Jet Bubble Column. The reduction of ammonia levels in the wastewater was carried out by adding 0.3 M NaOH solvent to 1 litre of wastewater at a liquid flow rate of 0.9 litre/minute with varying air flow rates of 8 litre/minute and 12 litre/minute and temperatures of 35°C, 40°C, 45°C, 50°C and 55°C over an operating time of 60 minutes. The samples were analysed using Nessler UV/Vis spectrophotometry at a wavelength of 460 nm, and the mass transfer coefficient (kLa) and efficiency of ammonia reduction by the Jet Bubble Column were calculated. The highest efficiency obtained was 68.75%, reducing 434.214 ppm in 60 minutes at an air flow rate of 12 litres/minute and a temperature of 55°C. Higher flow rates and temperatures resulted in greater reductions, with the highest kLa being 1,074.
Analysis of KCl and H2SO4 Electrolyte Concentration Variations on Specific Capacitance of Electrodes (CNT/PVA) Through Cyclic Voltammetry (CV) Reza, Mutia; Lusi Ernawati; Asful Hariyadi; Ranti Kusuma Wardhani; Thalia Winda Sari; Novi Sylvia
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Escalating need for power usage is the author’s concern in producing this research. Supercapacitors are one of the energy storage devices that have better performance than conventional capacitors. Supercapacitor components generally consist of electrodes, electrolytes, and separators. Electrolytes have an important role that can affect the specific capacitance of supercapacitors. This research resulted in analyzing the type and variation of electrolyte concentrations in the form of KCl and H2SO4 at concentrations of 0.4; 0.7 and 1 M, respectively. Cyclic voltammetry (CV) was conducted using carbon nanotube electrodes which were molded into sheets using Polyvinyl Alcohol (PVA) binder. CV analysis aims to determine the supercapacitor performance as measured by the specific capacitance value. Based on the observation of the results obtained, the best specific capacitance in each type of electrolyte KCl and H2SO4 at a concentration of 1 molar is 55.561 and 54.981 F/g, respectively.
Pengaruh Jumlah Blade, Kemiringan Sudut dan Jarak Pengaduk dari Dasar Pada Proses Koagulasi Flokulasi dalam Menurunkan Parameter TSS dan Kekeruhan Dzaky, Muhammad Luqman; Tuhu Agung Rachmanto
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The quality of river water is influenced by the levels of Total Suspended Solids (TSS) and turbidity, which serve as indicators of environmental pollution. An effective method to reduce these parameters is the coagulation-flocculation process. The effectiveness of this process depends on physicochemical and hydrodynamic factors, including impeller design. However, hydrodynamic aspects such as the number of blades, blade angle, and distance of the impeller from the bottom are rarely considered in detail in previous studies. Therefore, the objective of this study is to analyze the optimal impeller design to improve TSS and turbidity removal efficiency. This study examines variations in the number of blades (2, 4, and 6), blade angles (0°, 30°, 45°, and 60°), and impeller distance from the bottom (3 cm, 4 cm, and 5 cm). The results indicate that the optimum impeller design for TSS and turbidity reduction is 6 blades, 0° blade angle, and 5 cm impeller distance from the bottom. Under these conditions, TSS removal reached 93.5%, while turbidity removal reached 98.2%. These results demonstrate that proper impeller design can significantly improve the efficiency of the coagulation-flocculation process.

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