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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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Pemetaan Kualifikasi Agregat Halus Sebagai Material Konstruksi di Provinsi Sulawesi Utara Sengkey, Sandri Linna; Slat, Ever N.; Nicolaas, Seska; Mantiri, Nixon Servius; Slat, Ventje Berty
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The quality of the concrete mix is influenced by many factors, one of which is the constituent material. Sand, as one of the concrete forming materials, also contributes to improving the quality and performance of concrete. This study aims to determine the physical characteristics of fine aggregates in North Sulawesi Province and their suitability as concrete materials and their implementation in concrete mix design. The research method in the form of laboratory research includes testing of specific gravity and absorption, sieve analysis, organic material content, silt content and unit weight of sand from 20 quarry sites in North Sulawesi Province. The results of the study showed that 15 sand quarries met the specification standards as concrete materials, while 5 quarries did not meet the specification standards, especially in terms of specific gravity and absorption properties, and fineness modulus, which exceeded the maximum specification limit. The sand grading in North Sulawesi is mostly in the rather coarse sand criteria and is in zone 2. The results of this sand qualification are expected to be useful in concrete mix design.
Efektivitas Karbon Aktif Buah Bintaro dan Kulit Buah Nangka dalam Menurunkan Parameter Fe, Mn dan Cu Oktavianto, Achmad Afandi; Amalia, Aussie
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Due to its high cellulose content, Bintaro fruit and jackfruit peel can be used as activated carbon. The purpose of this study was to determine the activator and optimum contact time and determine the appropriate adsorption isotherm on activated carbon of Bintaro fruit and jackfruit peel in reducing Fe, Mn and Cu parameters. In this study, the sample water used well water in Surabaya City. The variations used in this study are activator variations and contact time. The activators used are HCl and H2SO4 for the contact time used are 30, 60, 90 and 120 minutes. From the results of the study, the optimum activator was HCl with a contact time of 120 minutes with the highest percentage removal of Fe content of 88.8% by jackfruit peel activated carbon. For Mn reduction, the optimum activator is H2SO4 with a contact time of 120 minutes on jackfruit peel activated carbon with the highest percentage removal of 89.2%. For Cu reduction, the most optimal activator is HCl with a contact time of 120 minutes on jackfruit peel activated carbon with the highest percentage removal of 90.9%. The type of adsorption isotherm in the reduction of Fe, Mn and Cu levels in this study as a whole follows the Freundlich isotherm equation.
Perbandingan Diameter Hydrocyclone untuk Menurunkan Kadar Kekeruhan dan Total Suspended Solids pada Unit Flokulasi Hydrocyclone Pohan, Steven Albert Christian; Amalia, Aussie
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

There are several types of water treatment, namely physical, chemical and biological, with each treatment process depending on the parameters of the pollutant to be treated. Raw water treatment generally uses physico-chemical treatment, which is useful for reducing the levels of pollutants such as TSS and turbidity, usually referred to as the coagulation-flocculation process. In the flocculation process there are different types of modifications, an example of modification is hydrocyclone flocculation. The aim of this research is to obtain information regarding the use of hydrocyclone flocculation reactors in the removal of pollutant parameters such as TSS. This research has been carried out by preparing 3 types of hydrocyclone flocculation reactors with different diameters (10 cm, 15 cm and 20 cm) where tests will be carried out to see the most optimal hydrocyclone flocculation diameter in eliminating TSS and turbidity parameters in the sample water. From the results of the research carried out, the most optimum diameter for the removal of TSS parameters and also turbidity in the sample water is a 20 cm hydrocyclone flocculation reactor with an average TSS removal percentage of 77.85% and an average turbidity removal percentage of 81%. Meanwhile, hydrocyclone flocculation reactor diameters of 10 cm and 15 cm have an average removal percentage of 60% and 70% for TSS, then for turbidity it is 59.8% and 62%.
Pengaruh Perbedaan Diameter Lubang pada Tray Aerator Terhadap Penurunan Fe dan Mn pada Air Sumur dengan Media Karbon Aktif Namira; Hidayah, Euis Nurul
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Polluted groundwater can be treated using tray aerator technology, particularly to reduce the concentration of iron (Fe) and manganese (Mn) in well water, especially in the Jombang area. This technology uses oxidation by introducing air through a tray aerator, which has variations in hole diameter and distance between trays. The study focused on the effect of variations in tray hole diameter (0.4 cm, 0.5 cm, 0.6 cm) and contact time on improving water quality. Activated carbon was also added as a medium to help adsorb pollutants. The results showed that tray aerators with the right diameter and spacing can significantly reduce Fe and Mn levels to meet drinking water quality standards according to government regulations. Parameters such as dissolved oxygen (DO), pH, temperature and Fe and Mn concentrations were measured periodically to evaluate the effectiveness of the aerator. This study is an important contribution to the development of more efficient and environmentally friendly water treatment technology.
Pengaruh Penambahan Media Karbon Aktif dan Zeolit Terhadap Peningkatan Kinerja Tray Aerator Pada Air Sumur Septi Ika Nurfadila; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the well water of Sengon Village, the levels of Fe (iron) and Mn (manganese) exceed the established quality standards of 0.743 mg/L and 1.60 mg/L respectively. One of the treatment solutions to reduce these contaminant levels is the aeration method of the aeration tray with the addition of media. The aeration method works by bringing water into contact with oxygen. The aim of this study is to determine the optimum performance of tray aerators by comparing the addition of activated carbon, zeolite or mixed media. Each media has an influence on the measurement results of pollutant levels in units of percent removal. The parameter with the highest weight is the one that most influences the effectiveness in removing Fe and Mn. The values of the parameter variations were then analysed and Anova Two Way statistical test was performed. The results showed that the most optimal reduction of Fe levels was achieved by aeration with activated carbon media with an aeration time of 150 minutes with a percentage removal of 96.67% and a level of 0.0234 mg/L. To reduce Mn levels, the most optimal aeration with addition of zeolite media with an aeration time of 150 minutes with a percent removal of 99.08% and levels <0.0145 mg/L. And to increase DO levels, the most optimal is aeration with the addition of activated carbon media with an aeration time of 150 minutes and a final DO value of 6 mg/L.
Penentuan Rute Distribusi Pada Perusahaan Distributor Multi Product dengan Pendekatan Nearest Neighbor (Studi Kasus : PT. XYZ Depo Blitar) Lestari, Febrian Puji; Khoiroh, Siti Muhimatul
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT. XYZ Depo Blitar is a multi-product distribution company with 128 customer partners. The company's deliveries exceed the working hours limit set by the company. However, the company does not pay overtime to its logistics employees. Therefore, this research was conducted to calculate the shortest distance on each route in order to save delivery time and costs. The method used in this research is quantitative method and the type of research applied is descriptive quantitative. The stages of data processing and data analysis use the nearest neighbour method. This method applies iteration to the location point that is the centre with the partner location point. The iteration aims to obtain the minimum and optimum distance of each route. The use of this method is to determine the optimal distribution route, distance efficiency and operating cost. Based on the data processing and analysis, the optimal percentage of distance savings and distribution operating costs can be obtained, namely 63.84% and 30.99% (Monday delivery), 61.27% and 24.74% (Tuesday delivery), 65.5% and 30.86% (Wednesday delivery), 43.15% and 8.15% (Thursday delivery), 45.97% and 21.26% (Friday delivery) and 64.75% and 26.09% (Saturday delivery). The total operating cost for one week's delivery is Rp. 1,884,892.3 for the research route.
Pengolahan Limbah Cair Tempe Menggunakan Teknologi Hybrid Anoxic Reactor-Sequencing Batch Reactor Hidayatullah, Naura; Novirina Hendrasarie
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Tempeh wastewater with high organic content requires special treatment to meet environmental standards. This waste has a concentration of BOD5 13,000 mg/L, COD 16,000 mg/L, and Total Nitrogen 2,800 mg/L, far exceeding the quality standards. This study aims to determine the effectiveness of Sequencing Batch Reactor (SBR) in removing pollutants in tempeh liquid waste by adding Anoxic Reactor as pre-treatment and Settling Tank as post-treatment. Variations of HRT, aeration discharge, and settling time were tested to optimize system performance. The results showed that Anoxic Reactor pre-treatment increased Total Nitrogen removal up to 45% at HRT 12 hours. In the SBR unit, optimal conditions occurred at a HRT of 32 hours with an aeration discharge of 14 L/min, resulting in removal of 84% BOD5, 98% COD, and 96% Total Nitrogen. Post-treatment of the settling basin increased the efficiency to 91% BOD5, 87% COD, and 85% Total Nitrogen. The combination of Anoxic Reactor, SBR, and Settling Basin proved to be more effective than without pre-treatment, with the final effluent meeting the quality standards of PermenLHK Number 5 of 2014 and PP Number 22 of 2021, namely: BOD5 133 mg/L, COD 160 mg/L, and Total Nitrogen 21 mg/L.
Mikro-Simulasi Prasarana U-Turn Menggunakan Sofware VISSIM Pada Ruas Jalan Teuku Nyak Arief Kota Banda Aceh Cut Nawalul Azka; Hidayat, Rifki; Aldi Fajri
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Heavy traffic conditions for road users, especially on Teuku Nyak Arief Street, Banda Aceh City at U-turn often cause high traffic disruption, where it is difficult to understand road conditions, because the position of the U-turn is often found to be ineffective, including less than ideal road conditions with the presence of roads so congested that it will affect U-turns and congestion at active U-turns. The problem is how to improve the effectiveness of U-turns through microsimulation of the VISSIM software against the model scenario. The method used is to analyse the level of service using VISSIM software on the delay value. Based on the analysis of existing, there is a poor LOS U-turn 4 which is LOS E with a delay value of 41.79 vehicles/second, but there is also a U-turn whose level is quite good such as U-turn 1 with 24.17 vehicles/second. Recommendation at U-turn 4 to improve road service by closing the north-south road and diverting to U-turn 3. U-turn 4, which was originally a double U-turn, has been changed to a single U-turn (for north-south U-turns only). The best advice given is traffic management with consideration based on local conditions.
Pemilihan Lokasi Prioritas Pelayanan Sistem Penyaluran Air Limbah Domestik Setempat di Kecamatan Purwasari Dengan Metode Skoring dan Pembobotan Hartati, Etih; Aditya Pratama
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Rapid population growth in Indonesia, particularly in Karawang Regency, has put additional pressure on infrastructure and the environment, including an increase in the volume of domestic wastewater. This has led to water pollution, which poses a risk to public health, such as waterborne diseases. This issue is critical to efforts to achieve the 2030 Sustainable Development Goals (SDGs), particularly SDG 6, which targets access to adequate sanitation and sustainable water management. The local government of Karawang Regency, through the 2011-2031 Spatial Plan (RTRW) and the 2021-2026 Regional Medium Term Development Plan (RPJMD), plans to develop municipal wastewater treatment plants (IPAL) and sewerage systems in each district, including Purwasari District. The purpose of this study is to plan a domestic sanitation system in Purwasari District to reduce water pollution and improve access to adequate sanitation. The method used in this study is a scoring and weighting technique to assess the capacity of each parameter relevant to domestic sanitation. The results of the study show that Darawolong and Karangsari villages in Purwasari district are prioritised in the planning of the Local Domestic Sanitation System (SPALD-S) due to their higher urgency. The development of SPALD-S in these two villages is expected to bring long term benefits in terms of improved sanitation and environmental health for the local community.
Karakteristik dan Persepsi Pengunjung untuk Pengembangan Wisata Edukasi di Taman Cadika Kota Medan Sembiring, Elfiyanti; Badaruddin; Thoha, Achmad Siddik
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Cadika Park has long been a popular public space for outdoor learning and social activities. The development of Cadika Park into an educational tourism area needs to take into account the characteristics and perceptions of visitors. The purpose of this study was to analyse visitor perceptions for the development of educational tourism in Cadika Park. The research data came from drone mapping, field observations and interviews with questionnaires on field conditions and visitor characteristics and perceptions. Descriptive analysis was used to describe the field and questionnaire data to provide an overview of field conditions and visitor characteristics and perceptions. Analysis in the form of tables and graphs that quantitatively describe the distribution of characteristics and opinions of respondents in relation to the availability of objects and the potential for educational tourism development. The study found that almost all respondents perceived that Cadika Park has educational tourism objects. The Cadika Park area has natural potential for educational tourism in the form of flora, fauna and water. According to most respondents, forests and lakes are the most interesting objects that are widely used for educational activities.

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