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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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Design of a Rice Drying System Prototype Based on PLC Simatic S7-1200 Mochammad Machmud Rifadil; Suryono; Ferry Astika Saputra; Achmad Akhdanizar Rafli
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Rice drying in Indonesia generally still uses conventional methods by utilizing sunlight. However, weather changes often become obstacles, hampering the drying process. This research designed an automatic rice dryer based on PLC that uses PLN electricity as a power source and a heater as the heating element. The system is equipped with a sensor to monitor the moisture content of the rice so that the heater automatically turns off when the rice is dry. A DC motor is used as a drive to move the rice during the drying process. PLC programming is carried out using TIA Portal software with ladder diagram language. Based on testing for 33 minutes, the drying temperature increased from 30.7°C to 33.29°C, while the moisture content of the rice decreased from 21.20% to 13.54%, and the rice weight decreased from 1000g to 919g. These results indicate that the PLC-based drying system can control the rice drying process in a stable and effective manner. This tool is expected to be widely implemented on an agricultural scale to improve rice quality efficiently and reduce dependence on unpredictable weather conditions.
Sistem Monitoring Kebisingan dan Polusi Udara Pada Ruang Mesin CNC Router Berbasis Internet of Things Priyandoko, Gigih; Mahmud Habibi; Romadhon
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

CNC machine rooms are industrial work environments with high levels of noise and potential air pollution originating from high-speed spindle motor operations, mechanical friction, and metal-cutting processes. Currently, monitoring these conditions is largely done manually. This study aims to design and implement an Internet of Things (IoT)-based system that can continuously and in real time monitor the work environment for noise and air pollution. This study employed a research and development approach integrating noise and air quality sensors controlled by an ESP32 microcontroller and connected to a cloud platform for data acquisition and visualization. The system's accuracy and performance were evaluated by taking direct measurements of various CNC router cutting materials and comparing the sensor results with those of standard measuring instruments. Results showed that the system reliably monitored noise and dust concentration, with average measurement errors of 2.9% and 1.3%, respectively. Implementing this system effectively provides an early warning when workplace parameters exceed safety thresholds, thereby supporting rapid, data-driven occupational safety and health (OSH) risk mitigation decisions.
Optimasi Gerakan Operator Dengan Time and Motion Study untuk Efisiensi Produksi Syafruddin Dwi Saefi Ismail; Anita Oktaviana Trisna Devi; Bekti Nugrahadi
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The garment industry, as a labor-intensive sector, faces challenges related to efficiency and production cost due to the large number of operator movements that do not add value. As a garment manufacturing company, PT Fashion Stitch Joshua experiences this problem in the form of increased cycle time causes by many non value added operator motion. This study aims to design standardized motion to improve efficiency. The method used is a time and motion study through therbligh analysis to identify, classify, and eliminate ineffective movement. Data were collected through direct observation, video documentation, and cycle time measurement. The result show that the high cycle time in the join side seam process is caused by the large proportion of ineffective motion in the operators work methods. Therbligh analysis indicates that non value added motion elements significantly contribute to reduced efficiency, thereby confirming the hypothesis regarding the importance of improving work methods. Through the redesign of motion based on therbligh principles, the cycle time was reduced from 39.09 second to 29,50 second, representing an efficiency improvement of 24%. The implementation of standardized motion design is proven to be more effective in improving efficiency and can serve as a reference for production processes in the garment industry.
Evaluasi Instalasi Pengolahan Air Limbah Industri Kimia PT X Yalka Sabilla; Eka Wardhani
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The wastewater treatment plant of PT X, a chemical polymer industry, was evaluated to assess its performance in treating wastewater to meet industrial environmental quality standards. This evaluation includes an analysis of effluent quality based on BOD, COD, TSS, TDS, pH, and temperature parameters. Secondary data from PT X's laboratory testing showed non-compliance with standards based on the Minister of Environment Regulation Number 05 of 2014, particularly for COD and BOD parameters. The efficiency of the wastewater treatment plant in reducing parameters was COD 97.7%, BOD 97.7%, TSS 99%, and a TDS value of -289.3%. The design evaluation showed that several treatment units, such as the coagulation-flocculation tank, were located in the same unit and had the same speed. Additionally, the coagulation detention time exceeded the design criteria by 11,833.2 seconds. This causes wastewater treatment to not function optimally. To improve the performance of the WWTP, it is recommended to adjust the volume of some treatment units, optimize operational parameters, and conduct regular monitoring to ensure the system continues to operate optimally.

Page 97 of 97 | Total Record : 964

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