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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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Analisis Penerapan Seiri, Seiton, Seiso, Seiketsu dan Shitsuke di Departement Open Store PT XYZ Rifki Rizkina Arifin; Deny Andesta
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6768

Abstract

Departement Open Store Pada PT XYZ yang merupakan tempat penyimpanan persediaan barang material sebelum barang material tersebut digunakan atau dikeluarkan memiliki beberapa aktifitas. Beberapa aktifitas yang terdapat pada Departement Open Store yaitu penerimaan, penyimpanan dan pengeluaran barang material. Lingkungan kerja fisik yang ada di Departement Open Store memiliki kondisi cenderung yang kurang bersih. Permasalahan kebersihan dalam suatu lingkungan kerja utamanya lingkungan gudang merupakan permasalahan yang harus di perhatikan secara intens. Hal ini di karenakan lingkungan kerja fisik berpengaruh terhadap keberlangsungan dan kelancaran proses penataan dan pengeluaran barang material. Lingkungan kerja fisik yang kurang rapi dan kotor dapat mengakibatkan beberapa hal seperti akses pengeluaran dan penataan material terhambat. Berdasarkan penelitian di Departement Open store PT XYZ terkait masalah-masalah pada kondisi nyata mulai dari kebersihan, kerapian dan lain-lain. Tujuan penelitian yang hendak di capai sebagai  Mengidentifikasi Indikator penerapan 5S di Departement Open Store PT XYZ,  Memberikan usulan penerapan 5S di Departement Open Store di PT XYZ. Berdasarkan hasil pembahasan  yang telah dilakukan dapat ditarik kesimpulan dari grafik tersebut, dapat menyimpulkan bahwa departement Open store belum menarapkan 5S dengan maksimal.  Kesimpulan yang dapat diberikan pada penelitian ini yaitu terdapat beberapa indikator yang mempengaruhi 5S pada gudang. lingkungan kerja yang baik sangat penting dalam memotivasi karyawan dan mendorong kinerja yang lebih baik. Lingkungan kerja yang buruk dapat menyebabkan kecelakaan kerja dan menghambat produktivitas. Terdapat usulan perbaikan yang diberikan guna mendukung berjalannya budaya 5S yaitu memudahkan karyawan mengimplementasikan budaya 5S, dan membantu perusahaan untuk memantau implementasi budaya 5S.Kata Kunci : Gudang, Seiri, Seiton, Seiso, Seiketsu, Shitsuke.
Penilaian Kerentanan dan Potensi Kerusakan Bangunan Akibat Tsunami di Desa Pejamben, Pandeglang, Banten Meassa Monikha Sari; Aulia Kusumawati
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6746

Abstract

The study of tsunami disaster in Banten is less even though Banten is very susceptible to the earthquakes, and the Anak Krakatau Volcano is still exist as a tsunami trigger. The building vulnerability and capacity assessments are important to reduce the risk of casualties and substantial damages of tsunami. This study aims to assess the level of vulnerability of buildings, analyze the potential risk of building damage and get community capacity in dealing with tsunami. Data collection was carried out by surveying to the field to obtain the coordinates and types of buildings, coastal defense conditions and inundation heights. The distribution of questionnaires and interviews was also carried out to determine the community capacity. The data processing is using excel, utmgeomap, arcmap and spss. The results of the study  are concluded that out of a total of 647 in Pejamben Village has varying levels of vulnerability, namely moderate vulnerability (500units), high (142units) and very high (5units). The highest potential risk of building damage is moderate damage (75%) of the total building, heavy damage is 22%, light damage is about 5% and total collapse is 1%. The community capacity shows in the good category with a knowledge index of 77%.
Pembentukan Gas Metan dari Karbon Dioksida Menggunakan Katalis Ni/Al2O3 dengan Penambahan Mn Sebagai Promotor Jihan Syahira Syifa Friema; Robert Junaidi; Mustain Zamhari
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6776

Abstract

Carbon dioxide (CO2) emissions are a type of greenhouse gas emission which is the main factor in the emergence of the global warming phenomenon. Based on the total CO2 emissions released, there are 3 components that most influence high CO2 emissions, namely the electricity sector (42%), transportation (23%) and housing (6%). The trend of increasing CO2 will continue if no preventive measures are taken globally. One of these preventive efforts is to convert carbon dioxide (CO2) into methane (CH4), or known as the methanation process of carbon dioxide. In the field of fuel, the conversion of carbon dioxide into methane gas has more advantages in terms of thermodynamics. One of the factors that determine the methanation process is the activity of the catalyst. The catalyst used in this study was the Ni/Al2O3 catalyst. Ni/Al2O3 catalyst is a catalyst that has good performance in the methane formation process. However, the Ni/Al2O3 catalyst has disadvantages, one of which is that it is susceptible to carbon deposition and sintering on the catalyst. One way to improve catalyst stability performance is by adding a promoter. This research was carried out by varying the temperature, the amount of Ni/Al2O3 catalyst and adding a promoter to give structural changes to the catalyst. The results showed that the temperature and the amount of catalyst affect the amount of CH4 formed, and the addition of manganese (Mn) initiator can affect the pore structure of the catalyst.
Membran Selulosa Asetat Berbasis Nata De Coco Ditinjau Dari Pengaruh Penambahan Zat Aditif Polyethylene Glycol (PEG) Terhadap Permeabilitas (Fluks) deswi fransiska; Selastia Yuliati; Robert Junaidi
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6739

Abstract

Teknologi membran digunakan dalam industri untuk proses pemisahan maupun pemurnian.  Salah satu jenis polimer yang sering digunakan untuk membuat membran adalah selulosa asetat yang diperoleh dari Nata de coco. Tujuan dari penelitian ini untuk melihat pengaruh penambahan zat aditif polyethylene glycol terhadap karakterisasi dan kinerja membran selulosa asetat. Penambahan zat aditif polyethylene glycol, 10%, 17%, dan 28% dengan pelarut diklorometana 50% dan selulosa asetat 18%. Membran yang didapatkan dilakukan pengujian morfologi  dan uji fluks membran. Hasil morfologi membran yang memenuhi syarat ultrafiltrasi adalah membran A didapatkan ukuran pori 0,618 µm, dan membran B sebesar 0,972 µm. hasil uji fluks rata-rata didapatkan 15,494 L/m2.jam  untuk penambahan zat aditif 10%, 17,764 L/m2.jam  untuk penambahan zat aditif 17% dan 19,455 L/m2.jam untuk penambahan zat aditif 28%. Hasil yang diperoleh menunjukkan bahwa pengaruh zat aditif  pada membran selulosa asetat yaitu semakin banyak komposisi zat aditif maka semakin besar nilai fluks dan ukuran pori membran.
Pengendalian Kualitas Kayu Kering Pada Mesin Kiln Dryer Untuk Mengurangi Produk Cacat Dengan Metode Seven Tools Dan Failure Mode Effect Analysis Moh. Abdurrahman; Akhmad Wasiur Rizqi; Moh. Jufriyanto
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6769

Abstract

Konsep kualitas sering dikaitkan dengan kemampuan suatu produk untuk memenuhi kebutuhan dan harapan pelanggan. Penelitian ini melakukan pemeriksaan terhadap langkah-langkah pengendalian kualitas yang digunakan dalam proses pengeringan kayu. Analisis yang dilakukan menggunakan pendekatan tujuh alat yang meliputi check sheet, stratifikasi, diagram kendali, histogram, diagram Pareto, plot sebar, dan diagram tulang ikan. Temuan dari pengumpulan data menunjukkan adanya tiga kategori cacat produk berbeda yang terlihat selama proses pengeringan kayu. Kategori-kategori ini mencakup 1.529 kejadian lengkungan, 1.337 kejadian patah tulang, dan 955 kejadian cek. Berdasarkan penggunaan teknik tujuh alat, ditentukan bahwa kategori cacat produk yang paling dominan adalah kesalahan warp, yang mencakup 40% dari total cacat produk. Komponen penyumbang utama disebabkan oleh faktor teknik yang memiliki nilai indeks keunggulan relatif (RPN) sebesar 168, Solusi yang perlu dilakukan yaitu menyesusaikan kurva pengeringan dengan benar sesuai dengan jenis kayu yang dikeringkan, kurva ini harus mempertimbangkan kelembaban awal kayu, ketebalan, dan jenis kayu yang digunakan, dilakukan pembuatan SOP pengeringan kayu untuk tiap jenis kayu, melakukan sosialisasi atapun pelatihan kepada operator, melakukan pengecekan mesin sebelum digunakan
Pengolahan Limbah Sablon Menggunakan Membran Selulosa Asetat (Ca) Berbasis Pelepah Pisang Secara Mikrofiltrasi Ria Praba Wati; Selastia Yuliati; Muhammad Zaman
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6787

Abstract

Sablon merupakan teknik proses cetak yang menggunakan layar dengan kerapatan tertentu dan umumnya berbahan dasar nylon atau sutra. Tujuan penelitian ini adalah menerapkan membran selulosa asetat secara mikrofiltrasi untuk pengolaha limbah sablon. Membran akan dibuat dengan menggunakan selulosa pelepah pisang dengan komposisi 2 gr selulosa pelarut 25 ml aseton dan 1,7 ml PEG 400. Dalam penelitian ini, digunakan limbah cair sablon dengan variasi koagulan yaitu PAC 300; 600; 900; 1200; 1500 ppm serta variasi tekanan  0,2 ; 0,4 ; 0,6 ; 0,8  dan 1 bar. Dari  hasil penelitian, didapatkan hasil rejeksi logam Cr 68,14 %. pengukuran dilakukan kondisi optimum untuk variasi 0,2-1 bar range pada 0,2 bar dengan koagulan 1200 ppm.
Potensi Biogas Dengan Pretreatment Substrat Kulit Kopi Menggunakan Campuran Rumen Sapi Adelia Salwa
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6730

Abstract

Biogas is an alternative energy source to reduce the use of fossil fuels. This research aims to explore the potential production of biogas using pretreatment of coffee husk substrate, both biologically with civet dung and chemically with NaOH solution, and compare it with the process without pretreatment. The fermentation process is carried out by adding rumen microorganisms to each digester with variations in substrate composition and fermentation time for 35 days, with sampling times at 7, 14, 21, 28, and 35 days. Biogas testing is performed by measuring the methane (CH4) content and total solids (TS) in the substrate. The results of the research show that pretreatment of coffee husk substrate has a significant impact on biogas (CH4) production. Biological pretreatment with civet dung produced the highest methane gas, reaching 42.3724% on the 28th day of fermentation with a mixture of 50% coffee husk + 25% rumen + 25% water, while the process without pretreatment produced the lowest methane gas, at 6.38433% on the 7th day of fermentation. The total solids results indicate an increase and decrease in total solids content in the reactor with various treatments. The highest total solids result was obtained with biological pretreatment at 40.15%. This research indicates that biological pretreatment of coffee husk substrate with civet dung can increase biogas production efficiency, which can be a potential solution to reduce dependence on fossil energy sources and sustainably manage coffee husk waste.Keywords: Biogas, Pretreatment, Coffee Peel, Civet Dung, Rumen Microorganisms, Production Efficiency, NaOH Solution.
Modifikasi Kombinasi Elektrokoagulasi – Adsorpsi untuk Menyisihkan Fosfat dan TSS pada Limbah Laundry Cello Raka Pramastya
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6728

Abstract

The home industry laundry has grown rapidly. However, the growth of this industry has also led to an increase in the volume of laundry wastewater that is discharged into water bodies. This can affect the condition of water bodies, especially since the waste contains phosphates as detergent builders. Therefore, an effective wastewater treatment technology is needed. This research aims to analyze the efficiency of the modified electrocoagulation-adsorption reactor in reducing the concentration of phosphate and TSS in laundry wastewater. Laundry wastewater was flowed at a rate of 0.2 L/minute in the electrocoagulation process with a current strength of 5 A for 60 minutes, followed by column adsorption for 90 minutes conducted in one experimental reactor. Aluminum electrodes and zeolite adsorbent media were used in this experiment. The variables measured were the sampling time intervals between 150-300 minutes with a 30-minute interval. The research results show that the modification of the electrocoagulation-adsorption reactor is capable of reducing the concentration of phosphate and TSS in laundry wastewater. The best efficiency for phosphate reduction occurred at 210 minutes with an efficiency of 97.67%. Meanwhile, the optimal TSS reduction occurred at 300 minutes with an efficiency of 84.26%.
Proses Transesterifikasi Biodiesel Menggunakan Katalis Sodium Methoxide Dan Katalis Berbasis Karbon Aktif Dari Tempurung Kelapa Yang Diimpregnasi NaOH Meygi Rezablina; Mustain Zamhari; Ahmad Zikri
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6773

Abstract

Biodiesel is one of the renewable energies that can be obtained by converting triglycerides into methyl esters by transesterification process. Used cooking oil is heated with anhydrous methanol which is added with an acid catalyst or base catalyst. The catalyst has a role as a substance to reduce the activation energy of fatty acids in used cooking oil to increase the reaction rate. In this study, Sodium methoxidealkaline catalyst and NaOH-impregnated activated carbon base catalyst were used. Activated carbon catalyst using variation of concentration of activated carbon 1N, 2N, 3N, 4N, and 5N for 18 hours, 21 hours, and 24 hours and the use of sodium methoxidecatalyst with variation of oil: methanol ratio 1:3, 1:6, 1:9, 1:12, 1:15. The results showed that the biodiesel yield using carbon catalyst was 98.2%, 2% w/w catalyst with oil: methanol ratio 1:12 at 60℃ for 120 minutes. The best result of biodiesel using sodium methoxidecatalyst is 87.65%, catalyst 1.25% w/w with ratio 1:12, temperature 60℃ for 120 minutes. Keyword :  Active Carbon, Biodiesel, Catalyst, Sodium Methoxide, Transesterification
Pemenuhan Aksesibilitas bagi Penyandang Disabilitas di Kawasan Wisata Jam Gadang dan Sekitarnya, Kota Bukittinggi, Sumatera Barat Putra Rizkiya; M Rafi Mahdy; Zahrul Fuady
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6771

Abstract

Persons with disabilities are vulnerable, and their rights are often ignored. Persons with disabilities have the right to visit tourist sites. Bukittinggi City is a tourist city in West Sumatra Province. Its most popular tourist areas is the Jam Gadang tourist area and its surroundings, which include Jam Gadang, Fort De Kock Fort, and the Kinantan Wildlife and Cultural Park. People with disabilities are rarely seen in the Jam Gadang tourist area and its surroundings, both at tourist attractions and on the pedestrian paths connecting the three tourist attractions. This research aims to determine the fulfillment of accessibility for persons with disabilities in the Jam Gadang tourist area and its surroundings regarding tourist access and pedestrian access. Data was collected through field observations and questionnaires. The analysis was descriptive quantitative using scoring analysis. The result shows that the fulfillment of accessibility in the study area is generally "inadequate" and "not appropriate". Persons with disabilities have difficulties accessing tourist attractions and pedestrian paths. Facilities are available, but inaccessible, unaccommodating, unaffordable, and do not meet the expectations of disability groups. These physical barriers make it difficult for them to access study locations. The spatial exclusion hinders their participation in the tourism area.

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