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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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Desain dan Analisis Pembangkit Tegangan DC Tinggi Tiga Tahap dengan Metode Crocroft - Walton Setiyono
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

High DC voltage sources are required in a variety of applications including nuclear measurements, medical equipment (X-rays), corona testers, dielectric strength testing, pulse voltage generation and high voltage electrical resistance testing. Various methods have been developed to produce high DC voltage, including DC-DC converters, boost converters, flyback transformers and Crocroft - Walton. This paper describes a high DC voltage generator using the Crocroft-Walton (CW) rectifier method. This method is based on the principle of converting a low voltage AC wave to a high DC voltage (converter), the level of which is many times the input voltage. The aim of this research is to develop a design for a 12 V DC voltage multiplier to a high DC voltage without a voltage step-up transformer using the CW method using Matlab Simulink tools. The switching control strategy uses two high frequency and low frequency components in the converter circuit. The simulation results show that the input voltage value was successfully doubled to approximately six times, with the highest output voltage value being 4973 V at a pulse width (duty cycle) setting of 0.99 on the converter circuit switch.
Efektivitas Biokonversi Sampah Organik di Institut Teknologi Sumatera Menggunakan Larva Black Soldier Fly (Hermetia Illucens) Gabriella Anggi Renca; Aulia Annas Mufti; Firdha Cahya Alam; Alfian Zurfi; Yuni Lisafitri; Irhamni
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In an effort to utilise organic waste that also has high economic value, a promising technology for processing organic waste is bioconversion using Black Soldier Fly (BSF). This research aims to determine the effect of variation in feeding rate on the nutritional content of BSF larvae, the quality of BSF larvae residue and the waste reduction index in the ITERA food waste organic waste decomposition process. The results of the research and data analysis tests show that the residue of BSF larvae does not meet the SNI 19-7030-2004 organic fertiliser quality standards in terms of phosphorus content, but the elements P, K and C/N ratio still meet the standards. Analysis of the proximate content of BSF larvae showed that the highest fat content was 0.8529 in reactor B; for the highest protein content was 12.7204 in reactor A and the highest water content was 64.1010 in reactor C. Calculation results of the waste reduction index reached the highest value of 5.94 grams per day.
Pembuatan Biobriket Cangkang Sawit dan Tandan Kosong Kelapa Sawit Menggunakan Muffer Furnace Mutiara Indah; Abu Hasan; Robert Junaidi
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The problem of energy crisis is one of the main problems faced by almost all countries in the world. This energy crisis occurs due to the dependence on the fulfilment of the world fuel energy from fossil fuels. The increasing use of fossil energy causes greenhouse gases, so the climate is unstable and the temperature of the earth and the sea level are rising. Therefore, efforts are needed to overcome the problem of energy crisis. One way to reduce it is the utilisation and use of palm oil processing waste (POPW) into bio-briquettes, where the components come from palm shells and empty bunches. The aim of this study is to evaluate the properties of biobriquettes in order to obtain optimal results in obtaining the quality of biobriquettes that are analysed to meet the quality of briquettes according to quality standards. Based on the analysis carried out, the highest analysis results were obtained on sample S5 with a ratio of 00:100 and 8% glue, including: proximate analysis (water content 5.4%, ash content 8%, volatile matter 13.5%), calorific value 5941.10 cal / gr and combustion rate 0.2305 gr / minute. The results obtained comply with the quality requirements for charcoal briquettes based on SNI No. 01-6235-2000.
Analisis Kehilangan Air dengan Metode Neraca Air dan Infrastructure Leakage Index (ILI) pada Perumda Air Minum Kota Surakarta Galih Iman Rakhmad; Adhi Yuniarto
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Non-revenue water is the main problem faced by Perumda Air Minum Kota Surakarta, with a water loss rate reaching 42.37% in 2022. The purpose of this study is to identify and control the physical water loss using the water balance method and infrastructure leakage index. Primary data was obtained through field visits to make direct measurements, while secondary data was obtained based on data from the Solo City Drinking Water Company. A water balance analysis was carried out to determine the physical water loss, which was then used to calculate the ILI. The results showed that the water distribution volume was 24,270,430 cubic metres and the physical water loss was 9,669,609 cubic metres. The ILI value illustrates the effectiveness of distribution network management in controlling water losses. The conclusion of this study highlights the importance of water-free control measures and reduction of physical water leakage/loss to improve the efficiency and operational quality of drinking water services in Surakarta City.
Studi Tingkat Kehilangan Air Minum Perumda Air Minum Tirta Moedal Kota Semarang Dengan Neraca Air Wb-Easycalc dan Infrastructure Leakage Indeks (ILI) Muhammad Sidiq Nur Harenda; Ervin Nurhayati
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Perumda Air Minum Tirta Moedal, the manager of the drinking water supply system in the city of Semarang, is facing the challenge of controlling high water losses. In 2022, the company reported a water loss value or NRW of 48.41%. This NRW is much higher than the national NRW reduction target of 20%, so it is necessary to take measures to reduce NRW. This research aims to conduct a water balance analysis and Infrastructure Leakage Index (ILI) assessment to provide recommendations and evaluation of the water loss control programme implemented by Perumda Air Minum Tirta Moedal. The research method used is data analysis using the WB-EasyCalc application to obtain NRW and ILI values. In 2023, the amount of water distributed will be 103,830,494 m3. The collected water amounts to 54,384,744 m3. According to calculations based on the water balance, the water loss in 2023 will be 49,445,750 m3/year (47.62%). Based on the ILI assessment, Perumda Air Minum Tirta Moedal received a score of 44.7 with an average daily pressure of 11.2 metres. The ILI score indicates that Perumda Air Minum Tirta Moedal is in Category D, which means that there is an extraordinary waste of resources and that water loss must be controlled immediately. Recommendations for controlling water loss through evaluation and improvement of existing programmes. Programme improvements include DMA evaluation, customer meter survey and calibration, and pressure management improvements.
Evaluasi Operasional dan Pemeliharaan Instalasi Pengolahan Air Limbah Industri Kimia PT. XYZ Muchammad Ali Ma'shum Mujaddidi; Teguh Taruna Utama; Arqowi Pribadi
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT. XYZ is a company active in the chemical industry. Both its production and domestic activities generate waste. PT. XYZ has a waste water treatment plant (WWTP) that is in operation to treat the waste water produced. The treated wastewater is applied to the soil for irrigation of landscaping within the PT. XYZ industrial estate. The objective of this study is to evaluate the performance of the WWTP, particularly in terms of the operation and maintenance phases that affect its effectiveness. The standard operating procedures are based on the STP Guide: Design, Operation, and Maintenance by Ananth S. Kodavasa (2011), Book 3 SOP Asset Operation of UPTD Domestic Wastewater Management (2018), and Minister of Public Works Regulation No. 4 of 2020, Annex II. The WWTP operation and maintenance procedures include units such as grease trap, equalisation tank, mixing tank, settling tanks I & II, aeration pond, filtration and storage tank. The study found discrepancies in several units, particularly the grease trap, equalisation tank, aeration, filtration and storage tanks. These discrepancies are due to procedures not yet included in the SOP, delayed painting schedules and uninstalled accessories. All parameters meet the required effluent quality standards. The operating costs for wastewater treatment are estimated at Rp. 4,912/m³.
Analisis Dampak Penerapan Hazard Analysis And Critical Control Point (HACCP) Terhadap Jaminan Mutu Dan Keamanan Produk Perikanan (Telaah Pustaka) Yuliana Farahita; Junianto
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Fish products are rich in protein, but are very susceptible to spoilage. Every fish processing industry is required to implement the Hazard Analysis and Critical Control Point (HACCP) system to improve quality assurance and safety. The aim of this research is to investigate how the implementation of HACCP system affects the quality assurance and safety of fishery products in the fish processing industry. Various research literature from national and international journals is used as an exploratory descriptive method. The results of the research indicate that the implementation of HACCP can have a positive impact on quality assurance, such as improved product quality, better standardisation of processes, increased production efficiency, reduced microbiological contamination, fewer product recalls, as well as improved market competitiveness and increased consumer confidence.
Pengaruh Jarak Antar Plat Pada Elektrokoagulasi Terhadap Pengolahan Limbah Cair Industri Kecap Dea Kirana Nurlaili; Aussie Amalia
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The production of sweet soy sauce in Indonesia was particularly high in 2021, resulting in wastewater with elevated levels of COD, BOD and TSS. Therefore, wastewater from the soy sauce industry needs to be treated before being discharged into water bodies. In this study, the electrocoagulation method was used to reduce the levels of BOD, COD and TSS. Electrocoagulation is a process in which the anode releases active coagulants in the form of metal ions into the solution and electrolysis reactions occur, releasing hydrogen gas at the cathode. The aim of this research was to determine the effectiveness of electrocoagulation in reducing pollutants such as BOD, COD and TSS in industrial effluents. The study involved varying the distance between the electrode plates and the contact time. The treated wastewater was from a soy sauce industry in Surabaya. The results showed that increasing the electrode distance to 1cm, 2cm, 3cm and 4cm with a contact time up to 180 minutes significantly improved the efficiency of BOD, COD and TSS reduction. The best removal was achieved at 4 cm electrode distance and 180 minutes contact time, with reduction rates of 72.0% for BOD, 83.3% for COD and 90.6% for TSS.
Efisiensi Serbuk Kulit Jagung dan Kulit Bawang Merah Sebagai Adsorben dalam Menurunkan Kadar BOD dan COD pada Air Sungai Sella Olivia Fitriani; Aussie Amalia
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The growth and development of industry around rivers has the potential to contribute large amounts of organic waste, namely BOD and COD. The determination of organic matter in water is carried out by measuring the amount of oxygen required in the water to break down the organic matter, either using microorganisms, chemicals or other methods. Adsorption using bioadsorbents can be used to overcome this problem, with bioadsorbents such as corn husks and shallot peels, which have a large surface area and are good at controlling organic substances that are not dissolved in water, making it more efficient to remove BOD and COD parameters. This research aims to analyse the ability of corn husk and shallot peel bioadsorbents to reduce the levels of BOD and COD parameters. In this research, river water from Mangetan Canal and bioadsorbent activated with 5% H3PO4 solution were used. The research results showed that the use of corn husk and shallot peel waste as adsorbent in a continuous adsorption process resulted in optimum percentage removal of BOD of 64.1%; COD of 72.5%; BOD of 73.3%; COD of 85% at 40 minutes contact time.
Hydrolysis of Solid Waste From Bioethanol Plants into Glucose Using Hydrochloric Acid Catalyst Mochammad Rifqi Ardiansyah; Nashrul Haqqi; Sani
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The large amount of solid waste from bioethanol plants is regrettable if it is only used as animal feed. The solid waste has a relatively high carbohydrate content of 36.85%, which has the potential to be hydrolysed to glucose. Hydrolysis with water is slow, so a catalyst is needed to speed up the reaction. HCl hydrolysis is commonly used to convert carbohydrates to glucose. The hydrolysis process in this study involved heating at 95°C with a stirring speed of 300 rpm. The variables tested were hydrolysis time (90, 120, 150, 180, 210 minutes) and HCl concentration (1.5, 2, 2.5, 3, 3.5N). The results showed that hydrolysis time and HCl concentration had a direct effect on glucose yield. The longer the hydrolysis time and the higher the concentration used, the higher the glucose yield. The highest glucose content obtained was 23.12%, with a yield of 70.6%, obtained under the conditions of 210 minutes hydrolysis time and 3.5 N HCl concentration.

Page 40 of 97 | Total Record : 964

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