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Journal of Research and Technology
Published by Universitas NU Sidoarjo
ISSN : 24605972     EISSN : 24776165     DOI : -
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Industrial & Manufacturing Engineering
Journal of Research and Technology published since 2015 contains a collection of a selected articles from the results of research and study of literature which is relevant to industrial , chemical, and environment engineering. Target readers of the Journal of Research and Technology are scientists, academics, and practitioners from various fields of industry.
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Articles 454 Documents
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Strategi Peningkatan Kualitas Pelayanan Dengan Metode Servqual-QFD Wulandari, Rina Sri
Journal of Research and Technology Vol. 6 No. 2 (2020): JRT Volume 6 No 2 Des 2020
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v6i2.1273

Abstract

Kualitas menjadi hal yang sangat penting dalam dunia pendidikan. Mahasiswa sebagai salah satu stakeholder utama dalam dunia pendidikan memegang peranan kunci untuk pengukuran kualitas pendidikan. Untuk meningkatkan kualitasnya serta melakukan pengukuran terhadap kinerjanya, maka Universitas Nahdlatul Ulama Sidoarjo (UNUSIDA) melakukan pengukuran terhadap kualitas pelayanannya. Servis quality (Servqual) merupakan metode yang dapat digunakan untuk melakukan pengukuran terhadap kualitas pelayanan dalam institusi pendidikan. Dalam penelitian ini, terdapat 42 indikator dengan 5 atribut yang digunakan untuk melakukan pengukuran kualitas pelayanan. Dari 42 indikator tersebut dicari indikator yang memiliki gap bernilai negatif. Untuk mencari nilai gap dilakukan penyebaran kuesioner pada mahasiswa UNUSIDA untuk mencari kesenjangan antara harapan dan kenyataan pada pelayanan yang selama ini diperoleh. Gap yang memperoleh nilai negatif terbesar akan dilakukan pengukuran kembali dengan menggunakan metode Quality Function Deployment (QFD) untuk menentukan indikator-indikator yang harus segera mendapat prioritas perbaikan. Pada penelitiann ini terdapat tujuh indikator yang memperoleh nilai negatif terbesar dan harus segera mendapatkan perbaikan.
Combination of Gallery Well Reactor And Slow Sand Filtration For Clean Water Reclamation in Flooded Area (Study Case: Morowudi Village, Gresik District) febrianti, aulia nur febrianti; Pungut, Pungut; Tribhuwaneswari, Annisa Budhiyani
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1275

Abstract

In Morowudi Village, Gresik, flooding is a known problem frequently brought on by excessive rainfall and inadequate drainage infrastructure. The ensuing floods make it difficult for the nearby towns to have safe drinking water. Sand Slow filter technology is suggested as a solution to this problem. Establishing parameter levels, lowering parameters, and evaluating the efficiency of different filtration media in lowering turbidity, iron metal, and total coliforms in flooded raw water in the Morowudi, Gresik area are the goals of this study. Using a batch method, the research will be conducted in a laboratory setting after the floodwater has been using the gallery well procedure. The study will concentrate on three different types of filtration media: 70 cm of silica sand media will be used in the first reactor, iron sand filtration media will be used in the second reactor, and beach sand filtration media will be used in the third reactor. Sand media with sizes ranging from 0.25 to 0.5 mm will be used in all reactors, and layers of 5–10 mm and 10–20 mm gravel will be added as supplements in total of 20 cm. The result showed that the efficacy of turbidity reduction can exceed 57.62%. The efficacy of TDS reduction is established at 10.26%, whereas the efficacy of total coliform reduction is established to be over 83%.
PENGOPTIMALAN RUTE PENGANGKUTAN SAMPAH DI DESA MLIRIP MOJOKERTO DENGAN METODE CAPACITATED VEHICLE ROUTING PROBLEM (CVRP) Cahya Wulandari, Lusi Mei; Marselina, Poppy; Andrian, David
Journal of Research and Technology Vol. 10 No. 1 (2024): JRT Volume 10 No 1 Juni 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i1.1295

Abstract

Mojokerto merupakan salah satu daerah yang ada di Jawa Timur dengan jumlah penduduk sebanyak 1,133,584 jiwa pada tahun 2022. Jumlah penduduk mempengaruhi tingkat konsumsi masyarakat di Mojokerto sehingga pada akhirnya akan menimbulkan permasalahan yang berkaitan dengan sampah. Desa Mlirip merupakan salah satu desa yang ada di Mojokerto memiliki 7 Dusun dengan jumlah penduduk mencapai 7.605 jiwa, saat ini belum memilik sistem pengangkutan sampah. Penelitian ini bertujuan untuk menentukan rute pengangkutan sampah dengan TPS yang direncanakan diletakkan di salah satu dusun. Metode yang digunakan adalah Capacitated Vehicle Routing Problem (CVRP) Penelitian ini dimulai dengan mengdentifikasi titik sampah dan jumlah penduduk yang ada di 7 dusun. Dalam setiap dusun terdapat 38 titik sampah dengan lokasi TPS yang berada di dusun Clangap dan digunakan dua kendaraan homogen dengan kapasitas 250kg. Total jarak minimal yang didapatkan dari penyelesaian metode CVRP adalah Dusun Clangap sebesar 11,88 km, Dusun Kenongo 16,68 km, Dusun Kedung Gagak 11,96 km, Dusun Latsari 17,59 km, Dusun Kalijaring sebesar 17,51 km, Dusun Gedang 7,08 km, dan Dusun Mlirip sebesar 13,61 km. Kata Kunci: penentuan rute pengangkutan sampah, capacitated vehicle routing problem
Implementasi Sistem K3 Melalui Pendekatan Metode Delpi dan HFACS Guna Meminimalisir Risiko Kecelakaan Kerja (Studi Kasus: Mesin Rip PT. X) Wijaya, Yohanes Andre; Suroso, Hastawati Chrisna
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1326

Abstract

Industri manufaktur mengolah bahan baku menjadi produk setengah jadi atau jadi. Penelitian ini menyoroti mesin rip kayu yang sering menjadi penyebab kecelakaan kerja. Hasil studi lapangan menunjukkan bahwa banyak karyawan tidak mematuhi SOP, sehingga analisis K3 sangat diperlukan. Penelitian ini menggunakan metode Delphi dan HFACS untuk menentukan potensi bahaya kecelakaan kerja dan usulan perbaikan menggunakan 5W+1H untuk mengetahui penyebab utama terjadinya kecelakaan kerja mesin rip kayu, sehingga dapat melakukan perbaikan yang lebih efektif dan efisien. Hasil menunjukkan dua potensi bahaya utama: kesadaran karyawan yang tidak memilih bahan sesuai dan keluhan kesehatan karyawan. Analisis HFACS menemukan bahwa human factors pada kecelakaan berulang berada pada tahapan organisasi. Kegagalan tertinggi ditemukan pada proses organisasi, seperti visi dan misi, kebijakan, struktur, dan budaya K3 yang tidak efektif. Hasil usulan perbaikan menunjukkan bahwa kegagalan paling berpengaruh melibatkan karyawan, manajer operasional, dan manajer produksi.
The Analysis of SQDC Based on Lean Concepts in the Daily Workwear Production Process at PT. XYZ’s Convection Company Rakhmanhuda, Iffad; Rusindiyanto; Pradanarka, Andyas Mukti
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1336

Abstract

The garment industry, a cornerstone of Indonesia's economy, faces persistent challenges in efficiency and quality, as evidenced by PT. XYZ's struggles with uneven stitching, loose buttons, and stained fabric in daily workwear production. To address these issues, this study employs Lean Manufacturing principles integrated with the SQCDMPE framework. By utilizing tools like fishbone diagrams and SQCDMPE analysis, root causes of production inefficiencies were pinpointed. Recommendations include implementing stringent quality controls, enhancing worker training, and optimizing operational processes to minimize waste and improve overall efficiency. These strategies aim to streamline production at PT. XYZ, enhancing product quality and meeting customer demands effectively in the competitive global garment market.
Membran Polimer Elektrolit dari Selulosa Asetat Tandan Kosong Kelapa Sawit dan TiO2 dengan Metode Spin Coating untuk Aplikasi Separator Baterai Lithium Ismaliyah, Dhea; Ginting, Delovita; Syahputra, Romi
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1360

Abstract

Separator dalam baterai litium-ion memegang peran krusial dalam mencegah kontak langsung antara elektroda positif dan negatif, yang dapat menyebabkan bahaya kebakaran. Penelitian ini dilakukan dengan mengusulkan penggunaan limbah tandan kosong kelapa sawit (TKKS), sumber alami yang kaya selulosa, untuk menghasilkan selulosa asetat yang diaplikasikan sebagai bahan dasar dalam pembuatan membran polimer elektrolit. Membran ini diintegrasikan ke dalam baterai sebagai pemisah yang berfungsi ganda, tidak hanya sebagai penghalang fisik tetapi juga sebagai media transportasi antara anoda dan katoda. Penelitian ini merupakan eksperimen dengan desain satu faktor yang variabelnya melibatkan kombinasi polivinilidena fluorida (PVDF), selulosa asetat (CA), dan titanium dioksida (TiO2) dengan komposisi berbeda: PVDF (2.8%:0%), PVDF:CA (2.8%: 12%), dan tiga variasi PVDF:CA:TiO2 (dengan konsentrasi TiO2 0.75%, 0.65%, dan 0.55%). Metode pengumpulan data meliputi uji fisik (porositas, ketebalan, dan voltametri siklik), uji mekanis (kekuatan tarik dan biodegradabilitas), serta pengamatan morfologi menggunakan Scanning Electron Microscopy (SEM, Hitachi TEM 3000 Series). Analisis menunjukkan bahwa membran dengan komposisi PVDF:CA:TiO2 (2.8%:12%:0.75%) memiliki sifat mekanis optimal, kekuatan tarik terbaik 61.8854 MPa dan porositas tertinggi 57%. Penambahan TiO2 dan selulosa asetat tidak hanya meningkatkan kekuatan mekanis dan porositas tetapi juga mempercepat proses biodegradabilitas dengan penurunan berat hingga 68% menjadikannya efektif sebagai separator dalam baterai litium-ion.
Design Product Parameters for Customer Needs on Mineral Water Packaging from The Prespective of A Product Design Jakaria, Ribangun bamban; Iswanto, Iswanto; Arifin, Nur Haizal binti Mat Yaakop
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1365

Abstract

Suli Mineral Water is a bottled drinking water product founded by the Muhammadiyah Regional Leadership Economic and Entrepreneurship Council (MEK-PDM) Tuban, East Java in establishing the Suli 5 Bottled Drinking Water company which is a franchise of PT. Suryatama Cemerlang Abadi (SCA) as Suli's holding company 5. The use of Suli drinking water in all business charities has not yet shown a positive trend. This problem is important to research because drinking water supplies have the potential to grow and develop. This research aims to identify consumer preferences for drinking water packaging product design as a recommendation for marketing and manufacturing policies. The research method used is the traditional conjoint method which is used to measure the utility value and relative importance of each bottled water product design attribute to determine consumer preferences for these attributes. The data collection process in this research was carried out in December 2023 - March 2024. The sample chosen was a non-probability sampling, namely using a judgment sampling technique with a total of 200 respondents. The results of this research are that product parameters consist of product performance, features, reliability, suitability, durability, service capability, quality impression (perception), aesthetics, and product packaging so that using combined analysis provides quantitative information so that modeling of consumer preferences in producing combination of features in the 600 ml suli packaging product design
Analisa Produktivitas dengan Metode POSPAC dan Multi Factor Productivity Measurement Model (MFPMM) (Studi Kasus: Bengkel Mega Teknik, Sidoarjo) basuki hm, gatot; Arrizal, Arsy
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1372

Abstract

Productivity is one aspect that is influential and important in the development process of a company. Bengkel Mega Teknik Sidoarjo is a company that manufactory heaters. This study measured productivity using the POSPAC method and the MultiMulti-Factor Factor Productivity Measurement Model (MFPMM) for 2 periods. The results of the POSPAC method showed that production IP decreased by 0.59%; organizational IP decreased by 0.99%; IP sales decreased by 4.84%; Product IP decreased by 1.57%; Labor IP increased by 3.23%; The capital IP decreased by 0.42%. The calculation results of the MFPMM method show that the company's productivity has decreased by 0.5897% which can make the company experience a profit loss of Rp. 10,134,731.68. Proposed improvements to increase productivity are scheduling shipments, regulating energy use according to production needs, selecting raw materials at a cost that is not too expensive with the same quality, conducting work briefings for workers, checking machines regularly, and carrying out cleaning. workplace routinely and effective machine arrangement.
Managerial Ability and ESG Performance: A Panel Data Analysis of Non-Financial Companies on The Indonesia Stock Exchange (2018-2021) Bramanti, Geodita Woro; Hakim, Andi; Ninglasari, Sri Yayu; Wibawa, Berto Mulia; Nareswari, Ninditya; Kunaifi, Aang; Handiwibowo, Gogor Arif
Journal of Research and Technology Vol. 10 No. 1 (2024): JRT Volume 10 No 1 Juni 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i1.1373

Abstract

The rising implementation of Environmental, Social, & Governance (ESG) practices by companies indicates a growing commitment to responsible operations. The surge in assets allocated to ESG-focused ETFs is evident, as global investments have grown to $391 billion by 2021, a substantial increase from a mere $5 billion in 2006. Furthermore, Indonesia has witnessed a substantial surge in the number of investors who are actively engaged with companies that comply with ESG criteria. The efficacy of implementing ESG practices is intricately linked to the proficiency and expertise of managers, particularly in their decision-making and disclosure strategies. This study employed panel data regression methods to examine data from 825 non-financial companies that were publicly traded on the Indonesia Stock Exchange between 2018 and 2021. The insights were acquired utilizing the Fixed Effect Model methodology. The results indicate that the proficiency of managers does not exert a noteworthy influence on the ESG performance of companies that prioritize short-term financial benefits and exhibit limited understanding of ESG concerns, especially in sectors other than energy. Hence, it is imperative to foster effective leadership to steer companies towards holistic and sustainable strategies that transcend immediate gains, while prioritizing enduring impact and societal responsibility.
Analisis Postur Kerja Menggunakan Metode Rapid Upper Limb Assessment (RULA) pada Bilik Las SMAW Novitrie, Nora Amelia; Rachmat, Aulia Nadia; Firdausy, Ainur Rafika
Journal of Research and Technology Vol. 10 No. 1 (2024): JRT Volume 10 No 1 Juni 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i1.1381

Abstract

Politeknik Perkapalan Negeri Surabaya (PPNS) is a vocational training institution that focuses on shipping and marine affairs. Through its education and training programs, PPNS provides in-depth knowledge of transportation engineering, including welding techniques. Welding plays an essential role in connecting and strengthening ship structures in the marine industry. However, welding can lead to the risk of occupational musculoskeletal disorders. This research describes the ergonomical hazards that may arise in PPNS welding operations. The causes of those are repetitive hand and arm movements and poor posture. Therefore, the purpose of this research is to identify occupational musculoskeletal hazards in the PPNS work environment and provide a basis for changes in workplace design to reduce these risks. The purpose of this study is to determine the possible risk of ergonomics by using GOTRAK and RULA for students who perform welding operations in the PPNS welding workshop through work practice. The research shown that the final score of RULA is 7 (high risk), which means it needs to be redesign.

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