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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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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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Pemanfaatan Air Limbah Pupuk ZA II Sebagai Penetral pH Dalam IPAL Pabrik Pupuk X Latifiara Zahra Auly; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The use of water in industrial activities is a problem that needs to be given strong attention to always be used as a benchmark for water quality, especially in the industrial activities of PT Petrokimia Gresik. This research aims to determine the effectiveness of ZA II factory wastewater as a substitute for NaOH in the pH neutralization process. The effectiveness of ZA II fertilizer wastewater as a pH neutralizer can be determined by testing the pH, TSS and PO4 levels. The method used in this research is neutralization. The variation used is a mixture of neutralized water, NaOH and ZA II waste water. The NaOH used was 0.1 ml; 0.3 ml; 0.5 ml. Based on the research results, it is stated that ZA II fertilizer wastewater can increase pH levels because of its alkaline nature, from 6 to 8. Utilizing ZA II wastewater can reduce the cost of using NaOH, which is relatively expensive. This research can reduce the cost of using NaOH 89.3% cheaper than before, namely IDR 9,000,000/month.
Implikasi Waktu dan Temperatur Pengeringan Pada Mutu Tepung Wortel (Daucus Carota L) Risnadi Irawan; Mustafa Kamal; Hanif Muchdatul Ayunda; Azhar
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The temperature and time of evaporation are very influential in the production of carrot flour to determine the effect of temperature, drying time and the interaction between the effect of temperature and drying time on the quality of carrot flour produced. The aim of this study was to determine the effect of temperature, drying time and the interaction between the effect of temperature and drying time on the quality of carrot flour produced. In this study, two replications of the Rancangan Acak Lengkap (RAL) factorial were used for data collection and analysis. The three levels of temperature (60, 70 and 80 degrees Celsius) and the three levels of drying time are the variables used.5, 6 and 7 hours. The parameters analysed were water content, ash content, yield of colour organoleptic test, aroma, beta-carotene. The results of the study can be concluded that the effect of temperature has a very significant effect on the analysis of ash content and yield has no significant effect on the analysis of water content and organoleptic tests of colour and aroma. The analysis of yield and organoleptic test of colour is strongly influenced by drying time, but the analysis of water content, ash content and organoleptic test of aroma is not much influenced. The interaction of temperature and drying time has a very significant effect on the analysis of ash content and yield and has no significant effect on the analysis of water content and organoleptic tests of colour and aroma.
Perencanaan Implementasi Strategi Creating Shared Value dalam Pengelolaan Limbah Ex - Blasting PT INKA (Persero) Andhyanerra Irsia Prasasti; 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

PT INKA (Persero) is an industry that operates in the field of railway manufacturing. One of the programs consistently carried out by PT INKA (Persero) is Corporate Social Responsibility (CSR). CSR is a commitment by the company to care for sustainable development and provide numerous benefits from social, economic, legal and environmental aspects. The CSR program is oriented towards the Sustainable Development Goals (SDGs). Not Only CSR, but recently several companies or industries have implemented the Creating Shared Value (CSV) strategy, where CSV is a concept of CSR that realizesshared value beneficial to both society and the company. This study focuses on the reuse of ex – blasting waste as paving blocks as strategy for CSV.
Implementasi Data Mining Dalam Menentukan Pola Pembelian Obat Menggunakan Metode Apriori Lidya Rosnita; Zara Yunizar; Elma Fitria Ananda
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The fierce competition in the pharmacy industry requires sellers to continue to improve their sales strategies to increase sales of medicines. The availability of different types of medicines that consumers need is one step in overcoming this. This research uses an a priori algorithm to determine drug purchasing patterns. By using a priori algorithms in pharmacies, a system can be created to determine drug purchasing patterns, which is useful in determining drug purchasing targets well and can improve sales strategies. The data studied are one year's retail and wholesale transaction data. The pattern of drug purchasing associations obtained with a minimum support of 5% and a minimum confidence of 60% produces 8 association rules.The association rule with the highest confidence of 96.1% is that if consumers buy pseudoephedrine 30 mg and amoxicillin trihydrate 500 mg, they will also buy paracetamol 500 mg. Drug types that meet the minimum support and minimum confidence are Pseudoephedrine 30mg, Amoxicillin Trihydrate 500mg, Mefenamic Acid 500mg, Prednisone Triman 5mg pot, Cetirizine Hcl 10mg, Cefadroxil Monohydrate 500mg and Paracetamol 500mg.
Komposisi Sampah Dan Kualitas Air Lindi Tempat Pemrosesan Akhir Winongo Pratama Restu Aji; Raden Kokoh H
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Waste generation and management is an important aspect of human life, with various types of waste being generated on a daily basis. In Madiun City, waste is managed from source to disposal at the Winongo landfill. However, the landfill faces challenges due to the high daily waste production of over 100 tonnes of both organic and inorganic waste. This high waste production causes problems such as leachate pollution, where the quality of the waste greatly affects the quality of the leachate. This study focuses on the effect of waste composition on the quality of leachate at the Winongo Landfill in Madiun City, using primary data from the East Java Environmental Agency in 2023. Laboratory results show that leachate parameters such as COD, BOD, TSS, pH and total N exceed regulatory standards due to the dominance of organic waste in the landfill. Therefore, treatment methods using pond systems are recommended in order to meet acceptable discharge standards and protect the environment. This research highlights the importance of understanding the relationship between waste composition and leachate quality for effective waste management and environmental protection.
Green Technology of Processing Chicken Egg Shell Waste into Nanocalcium for Osteoporosis Prevention: A Literature Study Sunardi
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Egg shells have a high enough calcium content which can.be used as a source of calcium. The elderly population is increasing globally and is predicted to reach 1.5 billion by 2050. The quality of life of the elderly must be considered, for example by developing functional foods for the elderly. This literature review will discuss the development of functional foods to reduce the risk of osteoporosis in the elderly. Oxidative stress is one of the factors that accelerates the occurrence of osteoporosis. Various antioxidants, including vitamin C, vitamin E, polyphenols, or lycopene, have been shown to have antioxidant activity, thereby reducing the risk of osteoporosis. In addition, the application of nanocalcium from chicken egg shells in various food products has been reported to increase calcium intake, and its use is environmentally friendly because it can contribute to reducing food waste. The application of antioxidants and nanocalcium can be a good combination, but the amount of some antioxidants must be considered so as not to interfere with calcium bioavailability. Therefore, this literature review aims to explore functional foods for the elderly to reduce the risk of osteoporosis, especially with antioxidants and nanocalcium from chicken egg shells. Eating preferences and eating patterns of the elderly are also a consideration to determine the appropriate form of functional food for the elderly. The results presented in this literature review can be the basis for the development of new food products enriched with nanocalcium from chicken egg shells for the elderly.
Estimasi Timbulan Emisi Gas Metana dari Kegiatan Penimbunan Sampah di TPA Desa Selopuro Kabupaten Ngawi dengan Metode IPCC 2006 Raisya Octavia Putri Prianto; Restu Hikmah Ayu Murti
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Increasing greenhouse gas (GHG) emissions cause global warming. The importance of collecting data on emissions generation, including methane gas emissions (CH4) for GHG inventory. This research aims to provide a more accurate estimate of the production potential for methane gas (CH4) emissions at the solid waste disposal site in Selopuro, Ngawi Regency. Analysis of the generation of methane gas (CH4) emissions from waste landfill activities at SWDS was carried out using the IPCC Waste Model as stated in the guidelines for national greenhouse gas inventories published by the Intergovernmental Panel on Climate Change (IPCC) in 2006. Methane emissions produced by organic waste were 12.22 tonsCH4/month, paper waste 6.60 tonsCH4/month, wood waste 2.61 tonsCH4/month, textile waste 0.88 tonsCH4/month, and rubber and leather waste 2.3 tonsCH4/month. If the CH4 emissions from each type of waste are added up, the resulting estimated CH4 emissions are 24.61 tonsCH4/month. Waste management activities at the integrated waste management site, compost processing and waste reduction by scavengers can reduce methane gas generation by 11.5% so that the potential for methane gas generation drops to 21.79 tonsCH4/month or 0.73 tonsCH4/day. The reduction in CH4 emissions can be increased by optimizing waste reduction or utilizing methane gas in landfills.
Peningkatan Kualitas Produk dengan Metode Six Sigma dan Kaizen Mochammad Basjir; Suhartini; Nur Robbi
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The company has a strategy to ensure its survival and increase its competitiveness. PT. XYZ is a foreign company that operates in the industrial manufacturing aspect. The products manufactured are lamp cases, lamp holders, front grills, port rings, screw hole covers and air conditioning boxes. PT. XYZ also produces supporting components, one of which is cup buses. The problem in the research is that bus cup products often experience defective products with a percentage of 30% - 40%. This research aims to identify the causes of defects in bus cup products, determine the most dominant types of defects in bus cup products, and determine proposed corrective actions for bus cup products at PT. XYZ. The research will use Six Sigma and Kaizen methods. The research results show that there are 4 (four) types of Critical to Quality, namely Short Mold, Shink Mark, Warping and Black Dot, while the DPMO is 131,723 and produces a Sigma of 42.37. This study suggests improvements: the production manager checks every 1 hour, the operator continuously checks the materials and the injection machine. Control of work activities, regular maintenance of machines, care of raw materials and environmental conditions of the production area.
Evaluasi Postur Kerja pada Pekerja Area Workshop Menggunakan Nordic Body Map Questionnaire dan Metode Rapid Entire Body Assessment di PT X Ari Rahman; Alfiyah Najwa; Nova Ulhasanah; Anita Juraida
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The aim of this study is to evaluate the ergonomic conditions of workers in the workshop area of PT X. The workshop area consists of five different workstations: cutting, welding, turning, painting and sanding. These workstations involve physical effort that affects muscle tissue, bones and joints, potentially leading to musculoskeletal disorders (MSDs). Our main objective was to identify the critical workstation among the five workstations in the fabrication manufacturing section of PT X. The critical workstation and working posture were analysed using the Nordic Body Map (NBM) questionnaire and the Rapid Entire Body Assessment (REBA) method. The result of the NBM questionnaire score showed that the grinding workstation had the highest score of 102, indicating its critical nature. Work posture analysis using REBA then identified workers 8 and 10 as representing the critical workstations as they had the highest NBM score. Worker 8 received a REBA score of 11, indicating a very high risk requiring immediate follow-up. In addition, worker 10 received a REBA score of 8, indicating a high risk and requiring immediate corrective action.
Analisis Jenis dan Karakteristik Limbah B3 dari Industri Smelter Nikel di PT.X Sah Ahmada Fibra; Eka Wardhani
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research is to analyse the types of characteristics Toxic and Hazardous Waste (THW) from the nickel smelting industry at X Company. The research method uses descriptive analysis by identifying the production process and also identifying the types and characteristics of THW at company generated based on the cause, namely THW category 1 and category 2. Meanwhile, the characteristics of THW that company main and supporting facilities, where these supporting facilities include the nickel smelter production process from start to packaging, and also these supporting facilities include a diesel fuel station, generator room, electric power source, clean water supply station, workshop, warehouse, air compressor, storage (stockpile) for products, temporary slag, office building, dining room, laboratory, nitrogen station, liquid oxygen station and oxygen filling room. The types of THW produced are based on categories, namely Category 1 and Category 2 THW. The characteristics of the THW that X Company produces a lot of are THW with toxic characteristics and a small part of THW with characteristics of flammable liquids and flammable solids.

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