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Jurnal Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science
Jurnal Serambi Engineering diterbitkan oleh Fakultas Teknik Universitas Serambi Mekkah Banda Aceh. Jurnal ini diterbitkan sebagai media untuk menyalurkan informasi hasil penelitian dibidang keteknikan baik yang dilakukan oleh para dosen dari Fakultas Teknik, khususnya dari Universitas Serambi Mekkah maupun dari pihak lain. Penelitian yang dipublikasikan dapat berupa penelitian lapangan maupun laboratorium serta kajian literatur.
Arjuna Subject : -
Articles 1,178 Documents
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Environmental Quality Factors with The Incidence of Pulmonary Tuberculosis: A Literature Review Hanung Nurany; Mursid Raharjo; Mateus Sakundarno Adi
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4351

Abstract

Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis that can attack the lungs and other organs. Tuberculosis (TB) is still a global priority health problem because Indonesia is one of the countries with the highest number of TB cases in the world. It is estimated that around 845.000 Indonesians in 2019 suffer from tuberculosis. Around 92,700 people die from TB in Indonesia per year. The purpose of this study was to determine the environmental risk factors with the incidence of pulmonary tuberculosis (TB). The method in this study uses the literature review method by selecting data sources according to the desired topic and criteria. The data base used in the search for sources is Google Scholar, ejournal.undip.ac.id, and Portal Garuda, with the keywords pulmonary tuberculosis, TB incidence factors, tuberculosis environmental factors, and the physical condition of the TB patient's house. The results of studies from 10 scientific journals on environmental risk factors for TB disease show that ventilation area, occupancy density, lighting intensity, humidity and room temperature are risk factors for TB incidence.
Upaya Pengelolaan Abu Hasil Pengolahan Limbah Medis Dengan Stabilisasi/Solidfifikasi (S/S) Di Indonesia: Sebuah Review Andina Ilma Darmawan; Mega Mutiara Sari; I Wayan Koko Suryawan
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4498

Abstract

The generation of medical waste in Indonesia is increasing with the increase in health services to the community. Medical waste in Indonesia must be processed so as not to pollute the environment. One of the efforts made by medical waste producers is the thermal process in the form of incineration. This paper examines efforts to manage medical waste by incineration, especially the ash produced. The ash produced is very dependent on the efficiency of combustion where the results of combustion by the incinerator can be in the range of 78.23 – 99.99%. While the operating temperature of the incinerator at 800-1600ºC. The characterization of incineration ash focuses more on TCLP (Toxicity Characteristic Leaching Procedure), especially heavy metals. Heavy metals in the ash showed that Pb and Zn did not meet the quality standards. Stabilization/Solidification (S/S) is a commonly used method to reduce the hazardous nature of incineration medical ash waste. The S/S process provides a barrier generated at the surface of the effluent to limit the migration of contaminants through mechanical processes or chemical reactions between the ash and cement. The time required for this process is up to 28 days.
Pengaruh Biodiesel Terhadap Penurunan Emisi Gas Rumah Kaca dengan Aplikasi APPLE-GATRIK (Studi Kasus PLTD Talaga Sulawesi Tenggara) Bintang Dewan Tomo; I Made Indradjaja Brunner
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4430

Abstract

Penggunaan Biodiesel diyakini mampu menurunkan emisi Gas Rumah Kaca (GRK). Artikel ini menjabarkan analisis emisi dari perubahan penggunaan bahan bakar solar murni ke Biodiesel di Pembangkit Tenaga Listrik Diesel (PLTD) Talaga, Buton, Sulawesi Tenggara. Intensitas emisi GRK dari PLTD Talaga selama 10 tahun terakhir dikaji melalui aplikasi perhitungan dan pelaporan emisi ketenagalistrikan (Apple-Gatrik). Data emisi dari aplikasi tersebut diperoleh dengan memasukan data operasi tahunan seperti Daya Mampu Pembangkit, Gross Electricity Production, Capacity Factor, Jam Kerja, Efisiensi Termal, Load Factor, Net Electricity Production, serta konsumsi bahan bakar. Rata-rata intensitas emisi dari Biodiesel B30 sekitar 0,708 ton CO2e/ MWh, yang menunjukkan penurunan sekitar 28,19% bila dibandingkan dengan solar murni dengan intensitas emisi 0,986 ton CO2e/MWh. Faktor pendukung penurunan emisi GRK dengan penggunaan Biodiesel adalah ketepatan jadwal pemeliharaan mesin dan pengelolaan penyimpanan bahan bakar untuk mencegah endapan.
Pengukuran Produktivitas Pada Produk Plastik untuk Meningkatan Daya Saing Suhartini Suhartini; Mochammad Basjir
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4263

Abstract

PT. XYZ is a manufacturing company engaged in plastic products. In the production process, problems occur in the cutting machine. Cutting machines often experience acceleration in the setup process. The purpose of the study was to determine the value of the productivity index and evaluate the value to increase the productivity of the company. This study uses the American Productivity Center method and the productivity Evaluation Tree. The results showed that the productivity index value of the American Productivity Center showed an increase and decrease in the value of the productivity index. The increase in the total value of productivity inputs occurred in March 2020 by 190%. Meanwhile, the productivity value decreased in December 2020 by 181%. The Productivity Evaluation Tree method results experienced a change in the total production value in 2019 of 1.75 and the total production value in 2020 of 1.51.
Constructed Wetland Tipe Horisontal Subsurface Flow Menggunakan Rumput Odot untuk Pengolahan Efluen IPAL Tahu Irene AA Suwandhi; Novirina Hendrasarie; Dewi Rahyuni
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4350

Abstract

The effluent of tofu’s anaerobic digester contains organic matter and require further treatment. Constructed wetland (CW) using forage grass plant is one of the alternatives. The study is aimed to observe the effect of CW’s stage variation and planting duration on TSS and COD effluent. Plant growth also observed duringoperation. Two CWs horizontal subsurface tank of dimension 100 cm x 50 cm x 50 cm were arranged in series as stage 1 and 2. Tank was planted with Pennisetum purpureum c.v Mott at spacing of 25 cm, tank without plants as control, and operated at hydraulic loading rate of 0.1 m3/m2.day. Temperature, pH and plant height was measured every 2 days, TSS and COD every 1-2 week. The study showed, there was relatively no temperature difference between control and planted CW. The pH effluent increased with the pH of stage II being higher than stage IThe TSS and COD removal efficiency in planted CW was 61-90 % and 27-85 %, while for control was 8-85 % and 13-79 %, respectively. Plant can grow, indicated by the addition of plant height and plant weight during harvesting. In conclusion, CW stage and planting duration had effect on TSS and COD effluent.
Performance Analysis Engine Caterpillar Model C27 Pasca Rekondisi dengan Pengujian Dynotest Abdul Halim; Eko Saputro; Mangkona Mangkona; Yudi Sukmono; Muh. Anhar; Adriansyah Adriansyah
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4532

Abstract

Caterpillar engines need to be completely reconditioned or general overhauled after operating and consuming a certain amount of fuel to restore engine performance to its specifications again. However, actual conditions can be faster or slower depending on the condition of the engine itself and operational needs. In the total reconditioning process, all seals, gaskets and bearings are normal spare parts that must be replaced, plus other spare parts that must be replaced based on the results of inspections and measurements in accordance with the guidelines from the caterpillar guidelines for reusability and salvage (GRPTS). The purpose of this research is to find out whether the reconditioned engine has reliable performance like a new engine from the manufacturer and of course refers to the engine performance specification number, as well as knowing the engine characteristics based on the application. The research stage is to carry out the total engine reconditioning process by disassembling, cleaning, inspecting, part listing, assemble, testing and adjusting engine performance specification. And for data retrieval, the engine is tested in the engine dynotest room with loadings of 25%, 50%, 75% and 100%. From the results of the engine after being reconditioned, it has performance like a new engine and deserves to be handed back to the customer to be operated according to its application and specifications with a maximum power achievement of 800 HP at 100% loading with 1800 rpm for industrial engine applications.
Proses Pembuatan Nanomaterial Elektroda Baterai Lithium Dari Pasir Besi Alami Magnetik Fe3O4 Didoping PVDF Maulinda Maulinda; T. Muhammad Zulfikar; Saisa Saisa
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4495

Abstract

Lithium battery is a portable battery which has the advantages of long cycle life and high energy density. The improvement of electrode quality performance can be done by adding a binder to maintain the physical structure of the electrode, namely Fe3O4 magnetic nanoparticles whose electrical conductivity has been increased by the addition of PVDF. Then the Fe3O4 /PVDF compound doping process was carried out using the sol-gel method (10:10, 10:20 and 10:30 ratios). This study aims to determine the best comparison of the addition of PVDF as an electrode binding material capable of binding magnetic nanoparticles (Fe3O4) observed with XRF, XRD, SEM and Electrical analysis of materials using LC-Meter. The results of the best Fe3O4 magnetic chemical composition based on XRF characterization showed a very high number, namely 87.10%. The value of the electrical analysis of Fe3O4 nanoparticles with the addition of a PVDF electrode binding matrix shows the best electrical conductivity treatment results are obtained by adding a PVDF electrode binding material ratio of 10:30, the greater the addition of PVDF, the higher the capacitance and inductance values, while the smaller the resistance value. indicates that the value of the conductivity or electrical conductivity of the Fe3O4 /PVDF material is getting higher.
Penelusuran dan Distribusi Polutan Logam Berat Merkuri dan Kadmium pada Kawasan Wisata Bahari Kota Makassar Kristian Renden Maduan; Ismail Marzuki
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4239

Abstract

Factors of magnificence, comfort and safety of marine tourism destinations cannot be used as a measure to obtain satisfaction. The quality of the environment and ecosystem of marine tourism areas that are free from harmful pollutants is an important factor to ensure the achievement of health and safety from exposure to harmful and toxic pollutants for every visitor. The purpose of this research is to trace and distribute mercury and cadmium pollutants in Makassar City KWB. Determination of pollutant concentrations Hg2+ and Cd2+ using SSA. Samples were obtained by incidental sampling method at 5 points each on Samalona Island and Kodingareng Keke. The results of the analysis showed that the average pollutant concentration in seawater samples from Samalona Island was ±1.0910 mg/L for Hg2+, and ±0.8893 mg/L for Cd2+, while on Kodingareng Keke Island it was ±0.9347 mg/L and ±0.3870 mg/L. Concentrations of heavy metal pollutants Hg2+ and Cd2+ in sediment samples from Samalona Island were ±1.3646 mg/L and ±1.9056 mg/L, respectively, while the same samples in Kodingareng Keke Island were ±0.8981 mg/L and ±0.6562 mg/L. The concentrations of these two types of pollutants in seawater and sediment samples exceeded the standard MTV of seawater quality. Sources of heavy metal contaminants Hg2+ and Cd2+ in the waters of the two islands of Makassar City KWB are thought to originate from the geological activities of the seabed, industrial operations, hotels and hospitals as well as household activities around the two islands.
Pengendalian Persediaan Bahan Baku Singkong dengan Metode EOQ (Studi kasus di UMKM Kuncoro Gresik) Ahmad Fian Mahendra; Moh Jufriyanto; Akhmad Wasiur Rizqi
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4437

Abstract

AbstrakUMKM Kuncoro merupakan industri rumahan yang memproduksi kripik singkong di daerah Gresik, saat ini proses pemesanan bahan baku di UMKM Kuncoro masih dibilang sangat tradisional dengan menggunakan perkiraan saja, Melonjaknya permintaan kripik singkong pada bulan Juli 2021 sebesar 500 kg dan bulan Maret 2022 sebesar 580 kg membuat UMKM Kuncoro harus melakukan proses pemesanan singkong yang berulang-ulang sehingga berdampak pada pembengkakan biaya pemesanan bahan baku, setiap kali pemesanan biaya yang dibutuhkan yakni Rp 216.000.000. Dalam satu periode UMKM Kuncoro melakukan pemesanan sebanyak 15 kali dan total pemesanan sebesar 4.628 kg. Untuk mengatasi permasalahan tersebut metode EOQ (Economic Order Quantity) bisa dijadikan solusinya, karena metode tersebut bisa memaksimalkan biaya pemesanan bahan baku singkong yang sesuai standart dengan cara menghitung biaya pemesanan dan biaya penyimpanan. Tujuan penelitian ini guna mengatur proses pengendalian persediaan bahan baku singkong, memanage frekuensi pembelian bahan baku singkong dan menghitung total inventory cost pada UMKM Kuncoro. Metode yang dipakai ialah EOQ (Economic Order Quantity) lewat menghitung biaya pemesanan serta penyimpanan, penggunaan metode itu sangatlah efektif jika di terapkan pada UMKM Kuncoro karena bisa menekan biaya pemesanan. Berdasarkan hasil analisa tersebut, telah didapat pembelian bahan baku maksimal untuk tiap pemesanan yakni 527 kg yang dilakukan sebanyak 7 kali dalam satu periode dan total inventory cost sebesar Rp 2.445.200.
Analisis Penyebab Low Level Raw Water Menggunakan 5 – Why Analysis dan Fishbone di WTP PT. PLN UPK Nagan Raya Irhamni Irhami; T.M. Azis Pandria
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4413

Abstract

Raw Water atau disebut juga dengan air baku merupakan air yang digunakan untuk memproduksi air demin pada unit Water Treatment Plant. Semakin banyaknya kebutuhan air demin maka semakin banyak pula air raw yang harus diproduksi. Permintaan air demin dari unit boiler yang terkadang melebihi batas normal menyebabkan kesediaan air pada unit WTP PT. PLN UPK Nagan Raya berada dilevel yang rendah. Rata-rata level air pada Raw Water Tank pada bulan April 2022 mengalami penurunan hingga level air berda dibawah 3 meter. Level air yang rendah akan membuat pemakaian air yang terbatas. Tujuan penelitian ini yaitu untuk Mengetahui faktor penyebab, efek yang ditimbulkan, serta memeberikan rekomendasi perbaikan terhadap kasus low level raw water di unit Water Treatment Plant PT.PLN UPK Nagan Raya. Penelitian ini dilakukan pada Januari - Mei 2022. Metode yang digunakan pada penelitian ini adalah 5-Why Analysis dan Fishbone Diagram. Hasil analisis menunjukkan bahwa akar penyebab permasalahan tersebut yaitu kebocoran pada unit boiler yang mengakibatkan pemakaian air menjadi tidak normal hal itu disebabkan banyaknya valve yang tidak full close.

Page 41 of 118 | Total Record : 1178

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