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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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Edukasi dan Sosialisasi Pengolahan Limbah Sekam Padi Menjadi Bioadsorben dengan Metode Ramah Lingkungan Eka Marya Mistar; Ida Hasmita; Dian Aswita
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.v8i4.6694

Abstract

Cot Puklat merupakan suatu Desa di Mukim Meulayo Kabupaten Aceh Besar, yang mayoritas masyarakatnya berprofesi sebagai petani padi. Saat proses penggilingan padi, kulit padi akan terkupas dan terpisah dari beras, sehingga sekam padi ini menjadi limbah dari proses penggilingan padi yang selanjutnya disebut sekam padi. Di desa ini, saat masa panen, banyak limbah sekam padi yang menumpuk dan umumnya kurang dimanfaatkan. Sampai saat ini, limbah sekam padi hanya ditumpuk atau dijadikan bahan untuk abu gosok. Adanya potensi limbah sekam di desa dapat dimanfaatkan menjadi bioadsorben dan menjadi peluang masyarakat desa dalam meningkatkan pendapatan ekonomi. Program ini bertujuan untuk memberikan sosialisasi dan pembekalan materi kepada masyarakat agar dapat mengolah limbah sekam padi menjadi bioadsorben. Produk bioadsorben ini sangat bermanfaat bagi kehidupan, diantaranya dapat berfungsi sebagai bioadsorben penyerap limbah logam berat juga dapat dijual kepada pabrik/industri yang membutuhkan bioadsorben untuk menangani limbah usahanya. Dengan telah terlaksananya program Pemberdayaan kemitraan masyarakat ini, masyarakat Desa Cot Puklat sudah memiliki pengetahuan dalam pemanfaatan limbah sekam padi menjadi bioadsorben.
Karakterisasi Membran Komposit Silika Berbahan Baku Limbah Fly Ash Batubara untuk Proses Ultrafiltrasi Fadia Nurul Fitri; Selastia Yuliati; 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.v8i4.6806

Abstract

Membran komposit silika dibuat dengan memanfaatkan kandungan silika dalam limbah Fly ash batubara hasil dari pembakaran unit pembangkit uap (boiler) yang dikompositkan dengan PVA (Polivinil Alcohol) dan PEG (Poli etilen Glikol) sehingga menghasilkan membran komposit silika. Penelitian ini menjelaskan pengaruh perbedaan karakteristik dari membran komposit silika dengan memvariasikan massa silika sebesar 0 gr, 3 gr, 5 gr, 8 gr, 10 gr, 12 gr, dan 15 gr terhadap koefisien rejeksi, permeabilitas, swelling, serta struktur permukaan dan morfologi. Membran komposit silika dengan variasi silika 15 gr memiliki struktur morfologi dengan diameter pori lebih rapat dan teratur dibandingkan membran komposit dengan variasi massa lainnya. Karakteristik dapat dibuktikan dengan kinerja membran dalam merejeksi larutan methylene blue sebesar 52,25 %, dengan ukuran diameter pori sebesar 0,175 m dan permeabilitas sebesar 20,21 L/m2 yang dapat dikategorikan ke dalam jenis proses membran ultrafiltrasi.
Kinerja Simpang Tak Bersinyal Pada Persimpangan Jl. Damang Batu Jl. Pilau Kota Palangka Raya Rexy Lukas; Ina Elvina; Desi Riani
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.v8i4.6805

Abstract

An intersection refers to a designated area on the road network where traffic on vehicles sourced from several directions meets. The intersection of Damang Batu Road - Pilau Road is located in the urban area of Palangka Raya. This intersection is a very important traffic meeting point as it must facilitate rapid movement throughout the area. Analyzing the performance of the intersection is an important factor in identifying the most effective strategies to improve its efficiency. This study was conducted with the aim of analysing the intersection performance and obtaining alternatives to optimise the intersection performance. This research uses observational methodology, where data collection is carried out in a field situation. After all the data both primary and secondary are collected, the data will be analysed using the MKJI 1997. According to the results, under current conditions it has shown good results. The capacity value is 2434 smp/hour. And the degree of saturation is 0.51. Meanwhile, the intersection delay is 10.779 sec/smp. And the upper limit for queuing opportunities is 25%, the lower limit is 11%. So that the service level at that intersection falls into category B, indicating a good level of service.
Sintesis Selulosa Asetat dari Ampas Tebu sebagai Bahan Baku Biodegradable Foam Meidini Suci Anjarwati; Anerasari Meidinariasty; Muhammad Yerizam
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.v8i4.5893

Abstract

The high cellulose content of bagasse allows it to be developed into a variety of valuable products, one of them is cellulose acetate which will be used to make biodegradable foam. The purpose of this research is to determine the best conditions for the synthesis of cellulose acetate from bagasse and test how cellulose acetate can be used to make biodegradable foam. This study used phosphoric acid as a solvent and glacial acetic acid as an acetylating agent to make cellulose acetate through the acetylation process. The variations in acetylation time in this study were 15, 30, and 45 minutes and the volume of glacial acetic acid as acetylating agent was 20, 40, 60, 80, and 100 ml. The results of this study indicated that the optimum conditions for the synthesis of cellulose acetate are 15 minutes of acetylation with a volume of 100 ml of glacial acetic acid, with a yield of 79.31% cellulose acetate, 36.19% acetyl content and a degree of substitution of 2.11. The test for the application of cellulose acetate to make biodegradable foam obtained a water absorption of 18.81%, the biodegradation test obtained was 24.53% in 14 days. In the biodegradable foam leak test for 10 minutes, no leakage occurred. This indicated that the biodegradable foam obtained was suitable to use because it complied with SNI.
Pemilihan Supplier Barang Elektrikal Dengan Menggunakan Metode AHP (Studi Kasus: PT Petrokopindo Cipta Selaras) Andre Bayu Mahardika; Elly Ismiyah; Yanuar Pandu Negoro
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.v8i4.5754

Abstract

PT. Petrokopindo Cipta Selaras is a corporate entity within the business sector that operates specifically within the service industry. The successful operation of trade is contingent upon the presence of adequate assistance. Nevertheless, the firm has some challenges, particularly in the domain of electrical products procurement. Delays in the delivery of electrical goods from suppliers, specifically PT. X, PT. Y, and PT. Z, impedes the operational workflows of the company. The study employed the Analytic Hierarchy Process (AHP) methodology to conduct the research. This involved constructing a hierarchical or network structure of the problem and conducting a pairwise comparison stage afterward. The findings reveal the key factors that significantly impact the supplier selection process for electrical items at PT. Petrokopindo established a prioritization framework, wherein quality criteria were assigned the greatest weight of 45.6%. This was followed by pricing criteria, which were assigned a weight of 30.3%. The third priority was given to delivery criteria, with a weight of 14.6%. Lastly, payment criteria were assigned the lowest priority, with a weight of 9.4%. PT Z holds the highest weight, specifically 35.2%, in relation to suppliers who demonstrate exceptional performance in terms of pricing criterion, carrying a weight of 20.6%. The supplier PT. The provider PT Y achieved the least outcome, with an overall weight value of 9.3%, while the lowest weight recorded was 3.8%.
Analisa Perawatan Mesin Pembentuk Papan Fiber Semen Dengan Menggunakan Metode RCM Di PT. XYZ Wildan Khanif Baihaqi; Deny Adesta
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.v8i4.6779

Abstract

PT. XYZ  merupakan perusahaan yang bergerak di bidang industri papan fiber semen, permasalahan yang  terjadi pada PT. XYZ adalah sering terjadinya downtime mesin pada mesin pembentuk papan fiber semen. Masalah tersebut dikarenakan cipratan dari proses produksi yang berbahan baku semen sehingga cepat mengeras dan menyebabkan kerak, sehingga dapat memberikan dampak bagi proses produksi. Maka dari itu perlu untuk mengetahui komponen kritis yang sering mengalami kerusakan serta interval waktu yang tepat untuk melakukan pemeriksaan mesin pembentuk papan fiber semen. peneliti menggunakan analisa dengan pendekatan RCM (Reliability Centered Maintenance) untuk mengatasi masalah tersebut. RCM merupakan metode yang berfungsi untuk merancang  sebuah desain sistem yang andal dan metode ini dapat memaksimalkan waktu penggunaan mesin serta bisa mengurangi angka downtime mesin. Setelah dilakukan penerapan metode RCM ditemukan komponen kritis dari mesin pembentuk papan fiber semen dengan analisa FMEA yaitu part Bearing VAT dengan RPN 366 dan Flow meter dengan RPN 343. Setelah itu diperoleh nilai MTTR part bearing VAT 2,57876 dan Flow meter 1,96815.serta nilai MTTF part bearing VAT 174,656,dan flow meter 176,971. Kemudian diperoleh interval untuk pemeriksaan part  Bearing VAT selama 129,03 jam sekali dan Flow meter selama 163,26 jam sekali.
Increased Productivity of Packing Machines Through Implementation of Total Productive Maintenance Using the Overall Equipment Effectiveness Method Case Study of PT. GFPJ Ferry Adhi Saputra; Mohammad Riza Rady
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.v8i4.6173

Abstract

In the world's manufacturing industry, increasing productivity is very important in fulfilling domestic and international markets as well as maintaining customer confidence. The company is trying to increase productivity in production. The fact that the packing machine is in an inefficient condition and the management is trying to implement it. in Total Productive Maintenance (TPM) to maximize the effectiveness of machine facilities in the industry. Then corrective actions are tested using the Overall Equipment Effectiveness (OEE) method, which is the calculation method used in this OEE value is determined by availability, performance and quality. The low OEE value of the packing machine at PT. GFPJ results from the availability value of = 60% for the results of the performance value of = 100% and the value of quality = 93%, it can be concluded that the OEE value obtained on the machine packing is 59.86%, while the international OEE standard is 87%, so it needs improvement. The factor that becomes a priority for improvement is the performance or performance of the machine in producing concrete, because the performance value is the lowest value of the three factors that affect the OEE value.
Evaluasi Kinerja Struktur Gedung Terhadap Gempa Dengan Analisis Time History (Studi Kasus: Sekolah Nasional Global Nusantara Sampit Kab. Kotawaringin Timur) Dwitiun Novyeremia; Fransisco Happy Riadi Haputra Baru; Okta Meilawaty
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.v8i4.6713

Abstract

Indonesia ditetapkan terbagi menjadi dalam 6 wilayah gempa, hal tersebut dikarenakan Indonesia secara geografis yang berada di antara 3 lempeng tektonik yakni lempeng Indo Australia, yang menunjukkan pergerakan ke utara lalu lempeng Eurasia, yang menunjukkan pergerakan ke selatan dan lempeng Pasifik, yang menunjukkan pergerakan ke timur ke barat. Dengan melihat peristiwa gempa di berbagai lokasi di Indonesia sepanjang tahun 2022, total 217 gempa bumi dengan magnitudo di atas 5 SR. Penelitian ini dilakukan supaya bisa mengetahui kinerja struktur dari Gedung Sekolah Global Nusantara Sampit menurut parameter displacement, drif, serta base shear. Selanjutnya, hasil yang diperoleh dari penelitian ini akan di analisis dengan menggunakan kinerja batas layan dan kinerja batas ultimit, dengan menggunakan metode time history sesuai dengan aturan SNI-1726-2019. Menurut kinerja struktur pada Gedung Sekolah Global Nusantara Sampit diperoleh hasil bahwasanya partisipasi massa struktur terpenuhi pada waktu getaran 0,685 detik dan kontrol kinerja struktur yang dianalisis menggunakan 5 rekaman gempa diperoleh simpangan yang terjadi pada struktur gedung hanya Gempa Manjil yang memenuhi syarat batas layan sebesar (0,03/R)xH = 40 mm. dan batas ultimate sebesar 0,02xH =80 mm dan kinerja pada sendi plastis masuk kedalam immediate occupancy.
Prediksi Performansi Mahasiswa dengan Mempertimbangkan Motivasi Intrinsik Menggunakan Machine Learning Andi Muhammad Fiqri Achmad
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.v8i4.6722

Abstract

One of the factors that influence the success of an undergraduate student is learning motivation. Students are required to learn and develop themselves independently and actively find the source of knowledge, not just getting knowledge from the lecturers alone. One type of motivation is intrinsic motivation. Intrinsic motivation can be in the form of satisfaction in undergoing learning and gaining knowledge, the existence of appreciation of the achievements achieved, and the existence of life goals to be achieved. Thus it is necessary to do research to predict student learning performance by considering the intrinsic motivation of students. Primary data was obtained from the motivational questionnaire of 100 students, while secondary data includes attendance data, quiz data, assignments, mid-term exam, and final exam. Furthermore, the two types of data are combined. The first stage uses the Logistics Regression Algorithm, Support Vector Classifier, Decision Tree, Random Forest, Gaussian Naïve Bayes, and K-Nearest Neighbors. The quality of the algorithm is measured using the level of accuracy. Cross validation test with 5 K-Fold was carried out, and the Decision Tree algorithm was obtained with the highest yield of 0.898051. The second stage is to do a tuning hyperparameter using a Grid Search and obtained a value of 0.927206. The third stage is to predict data test as much as 21 data and obtained accuracy of 0.904761.
Tetes Tebu Menjadi Katalis Untuk Proses Pembuatan Biodiesel Raysha Amelya; Indah Purnamasari; Muhammad Yerizam
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.v8i4.6756

Abstract

Sugar cane is a plant that is processed into crystal sugar because it contains high sugar content. Sugar production produces waste, one of which is molasses waste. This study aims to obtain molasses into a catalyst using the carbonization method and the sulfonation method. The sulfonation method uses variations in the concentration of 2, 4, 6, 8, and 10 N H2SO4 solution and variations in sulfonation time of 2, 4, and 6 hours to get the best molasses catalyst. Catalyst characterization includes surface acidity by acid-base titration, FT-IR, and SEM-EDX. This research also aims to produce biodiesel yield using the best molasses catalyst. The results of surface acidity analysis showed that the best molasses catalyst was obtained at 10 N H2SO4 concentration with 6 hours at 0.907 mmol/gr. FT-IR test results showed the presence of O=S=O functional groups at wave numbers 1149.74 cm-1 and 1038.57 cm-1. SEM and EDX analysis results showed that the molasses catalyst after sulfonation had smaller pores and more sulfur groups on the carbon sheet. The yield of biodiesel produced using a molasses catalyst was 84.51%.

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