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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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Perencanaan Instalasi Pengolahan Air Limbah Domestik di PT. X Dinda Dwi Paramita; Etih Hartati
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT X is a pulp production company. The company will be located in the province of North Kalimantan and will employ 1220 people. The activities of these employees will generate liquid waste that will pollute the receiving water body and harm human health if the liquid waste is not treated before being discharged into the environment. Therefore, in this design, a Domestic Wastewater Treatment Plant (DWWTP) design is carried out so that the liquid waste can be treated to meet the quality standards based on the Minister of Environment and Forestry Regulation No. 68 of 2016. The method used in this planning is the desk study method, with the planning stages being the calculation of domestic wastewater discharge, the analysis of domestic wastewater quality, the determination of biological unit technology using the Weighted Ranking Technique method, the calculation of the dimensions of each treatment unit, and the drawing of the DWWTP scheme. Based on the calculation results, the maximum domestic wastewater discharge at PT X is 48 m3/day. The alternative biological units compared were the complete mix activated sludge (CMAS) unit, the trickling filter and the moving bed bioreactor (MBBR). The selected series of treatment units are grease trap, basket strainer, clarifier I, CMAS, clarifier II and disinfection tank.
Implementasi Keselamatan Dan Kesehatan Kerja (K3) Pada Kantor Pusat PT X Nanda Iswara; Nadia Amanah
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The occurrence of work accidents is of course not expected by everyone because in addition to harming themselves it can also harm the company, the need for regulations governing safety and health at work, with the regulations expected office workers will be safe and comfortable in carrying out their work. The regulations that have been issued should indeed be implemented by workers. The purpose of this study is to determine the implementation of OHS at the Head Office of Company X and to find out the efforts of Company X in preventing potential work accidents. The research method used is descriptive qualitative method by collecting data through observation and analysis of documents related to OHS Office. The results showed that the implementation of OSH at company X was in accordance with the standards of Permenkes RI Number 48 of 2016 as evidenced by the existence of fire extinguishers, evacuation route instructions and the use of work tools such as tables and chairs that were appropriate. The efforts of the company's head office in preventing work accidents by applying the zero accident principle are expected to reduce the number of work accidents.
Analisis Kekuatan Rangka Mesin Padi Menggunakan Software Solidwork 2022 Dafa Intifada; Reza Setiawan; Iman Dirja
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Strength analysis of rice machine frames using SolidWorks 2022 software is a study that aims to evaluate the structural strength of rice machine frames using computer simulation methods. SolidWorks 2022 is used as a platform to perform strength analysis by considering the operational loads applied to the machine during the use process. This research involved detailed 3D modeling of the rice machine frame and load simulations to predict its structural response. Factors such as load distribution, torque, and forces applied to various parts of the frame are explored to understand potential points of failure or deformation that may occur. The analysis results are expected to provide insight into the structural integrity of the rice machine frame in the face of different operational conditions. By utilizing SolidWorks 2022 technology, this research also aims to improve the overall rice machine design, increase operational efficiency, and reduce the risk of failure which can affect machine performance and reliability in the field
Pengaruh Konsorsium Mikroalga Tetraselmis sp. dan Chaetoceros sp. dengan Rasio N/P Terhadap Penurunan Nitrat dan Kelimpahan Mikroalga Savira Fevilia; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Microalgae are distributed in various types. Each type of microalgae has its own ability to absorb nutrients, especially nitrates. In several journals it is stated that microalgae are often used as phycoremediation. Nitrate and phosphate are macronutrients for microalgae that are needed based on certain ratios. So a lack of nitrogen content can result in substantial inhibition of algal growth and thus suboptimal nutrient consumption. This research aims to determine the effectiveness of microalgae consortia on nitrate removal and the effect of the N:P ratio on microalgae abundance. The microalgae used is Tetraselmis sp. and Chaetoceros sp. After being tested in batches, it was discovered that the Tetraselmis sp. consortium. and Chaetoceros sp. microalgae are able to remove nitrate content up to 94.1% with sample B1 (ratio of microalgae Chaetoceros sp. : Tetraselmis sp. = 100:0. This effectiveness occurs in the pH range 7.8 – 8.9 with a temperature of 28.67°C - 22, 67°C. The ratio of nitrate and phosphate content influences the abundance of microalgae. The ratio of 16:1 is influential in producing the highest abundance of more variations in microalgae consortia than other ratios.
Perancangan Roda Gigi Miring Pada Transfer Case Jimmy M. Alfi Nugraha; Kardiman; Oleh
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The design of the bevel gear in the Suzuki Jimny transfer case is a crucial part of developing the transmission system for this vehicle. The bevel gear is responsible for transferring motion and torque between the pinion and the drive gear, ensuring efficient power delivery and high reliability under various operating conditions. The design process includes the selection of the gear module, the number of teeth and critical angles such as the pressure angle and bevel angle, all of which affect the performance and strength of the gear. The selection of the right materials is also an important consideration to achieve optimum levels of strength and durability. By integrating technology and advanced design methodology, the design of the bevel gear in the Suzuki Jimny transfer case not only guarantees high performance, but also takes into account aspects of efficiency and durability in the use of materials and energy. The results of this design are expected to improve the overall performance of the Suzuki Jimny transfer case, make an important contribution to the development of automotive technology, and form the basis for further research in this field of the design and manufacture of precision engine components.
Analisis Perencanaan PLTS Atap di Gedung H Universitas Pembangunan Panca Budi Medan Zharfan Asyraf; Rahmaniar; Erpandi Dalimunthe
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Solar Power Plants (PLTS) are one of the new and renewable energy generation systems (EBT) that are quite promising in the future. In this research, the analysis process for planning a PLTS system as a source of electrical energy in a building is presented. The planned PLTS system will be used to supply the power needs of building H. The power supply capacity is only 60% at the Panca Budi Development University in Medan, but in this case solar panels have been added. The results of the study showed that the PLTS is an off-grid type with the main component specifications needed to supply power to the building, namely 151 solar panels with a capacity of 100 WP, a 46,000 W inverter, and 80 12V 100 Ah Lithium-ion batteries
Sintesis dan Karakterisasi Pupuk Lepas lambat Fe-Zn dari Limbah Besi, Limbah Seng, dan Cangkang Telur Ayam Rosy Dwi Rahmawati; Sunardi
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The synthesis of slow-release Fe-Zn fertilizer from community waste, using iron waste, zinc waste, and chicken eggshells as raw materials, aims to transform underutilized waste into economically valuable products. The study investigates three fertilizer compositions for the ratios 1:1:1, 1:1:2, and 2:1:1 (FeSO4 : CaCO3 : ZnSO4). The synthesis process involves mixing FeSO4, CaCO3, and ZnSO4 with distilled water. After mixing, the fertilizer is dried and characterized using FTIR (Fourier Transform Infrared Spectroscopy) and SEM (Scanning Electron Microscope) - EDS (Energy Dispersive Spectroscopy). SEM analysis reveals irregularly shaped Fe-Zn slow-release fertilizers with uneven surfaces. FTIR results show similar spectral regions among the three variations. The presence of CaO is indicated by absorption bands at 709.80 cm-1, while Zn-O-H bonds appear at 1,070 cm-1. Fe-O bonds are identified at 692 cm-1
Analisis Kekuatan Bending Akibat Variasi Arus Pengelasan SMAW Pada Sambungan Pipa Api 5L GR.B SCH 80 Aditya Rizky Dwicahya; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In this research, we use experimental research to determine the characteristics of a material, namely API 5L Grade B sch 80 pipe, using variations in welding current using SMAW (Shielded Metal Arc Welding) welding to determine the effect of variations in SMAW welding current on the value of liquid penetrant test results, radiographic test and mechanical properties of bending tests on API 5L Grade B sch 80 pipe material. It can be concluded that welding with variations in current strength of 80 A gives an average value of 396.381 MPa from the bending test results. Meanwhile, when the current variation is 100 A, it is known that the result of the current variation of 100 A is 652.315 MPa. It is known that when the amperage is varied by 120 A, the value of the bending test results is smaller than when the amperage is varied by 80 A, and when the amperage is varied by 100 A, the average value of the amperage variation by 12 A is 286.744 MPa. In conclusion, since there are no defects in this liquid penetrant test that could be dangerous or cause leakage, the welding results can be used or continued. There are deficiencies in the test results, but the NDT inspector with certification number SNS/PT/RN-23008 can still approve them
Proses Pembuatan Sprocket Adjuster Katazure RS50 B20 Menggunakan Bahan Baja Karbon S45C di PT. XYZ Arkan Ardiansyah Ardanaputra; Kardiman
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The process of making the Katazure RS50 B20 Sprocket Adjuster using S45C carbon steel at PT. XYZ is research that explores the manufacturing processes and technology involved in the production of these components. The main raw material, S45C carbon steel, was selected to meet the strength and durability requirements required for applications in sprocket adjusters. This research covers the main stages in manufacturing, including cutting the material, forming processes, heating for hardening, and finishing to achieve dimensions and tolerances that comply with technical specifications. In addition, quality aspects such as dimensional control, hardness and material microstructure are also analyzed to ensure the final quality of the Katazure RS50 B20 Sprocket Adjuster. By using S45C carbon steel material and a controlled manufacturing process, this product is expected to provide reliable and long-lasting performance in practical applications. The results of this research are expected to provide valuable insight into the manufacturing process of complex and important machine components such as sprocket adjusters in the modern manufacturing industry
Sistem Moving Bed Biofilm Reactor Menggunakan Mikroalga dalam Menyisihkan Amonia (NH3-N) dan Fosfat (PO4) Pada Air Limbah Tahu Asmawati; Yayok Suryo Purnomo
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The tofu industry produces wastewater containing high levels of ammonia (NH3-N) and phosphate (PO4). High levels of pollutants cause water pollution when tofu wastewater is discharged directly into the environment. An alternative biological treatment to overcome this problem is to use the microalgae Nannochloropsis oculata suspended and attached to form a biofilm in the Moving Bed Biofilm Reactor (MBBR). This research aims to determine the effect of variations in media, media volume and sampling time on the reduction of NH3-N and PO4 levels in tofu wastewater using the MBBR system with the microalgae Nannochloropsis oculata continuously. The MBBR reactor was operated with different sponge media of 20%, 30% and 40%; bioball media of 20%, 30% and 40%; and sampling time variations of 0, 4, 8, 12 hours (after 24 hours HRT). The research results showed that variations in the type of sponge media, with a media volume of 20% of the wastewater volume, were best at degrading ammonia and phosphate in tofu wastewater with an operating time of 12 hours. The highest percentage of ammonia and phosphate removal achieved in a 20% sponge media at the 12th hour of sampling was 90.83% and 72.45% with parameter values of 0.43 ????????/???? and 7.5 ????????/???? respectively

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