Article Per Year (5 Year)
p-Index From 2021 - 2026
2.727
P-Index
This Author published in this journals
All Journal International Journal of Electrical and Computer Engineering Jurnal Teknik ITS IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science KERN Rekayasa Sipil Journal of Engineering and Technological Sciences Jurnal Teknik Sipil Jurnal Inovasi Bisnis (Inovbiz) Communications in Science and Technology Jurnal Aplikasi Teknik Sipil Technomedia Journal Engineering, Mathematics and Computer Science Journal (EMACS) Journal La Multiapp Jurnal Profesi Insinyur Universitas Lampung Journal Research of Social Science, Economics, and Management Sewagati Conference Proceeding on Waste Treatment Technology
Ridho Bayuaji
Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health Social Sciences Other

Published : 34 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 34 Documents
Search

 1   2   3   4 
Integration of Life Cycle Assessment and Policy Analysis for Improving Sustainable Coal Ash Management: A Case Study in South Sumatra, Indonesia Yuga Prayna Pawitra; Ridho Bayuaji; Reny Nadlifatin; Ruri Agung Wahyuono
Journal Research of Social Science, Economics, and Management Vol. 5 No. 9 (2026): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v5i9.1420

Abstract

FABA production in South Sumatra reaches 1.2–1.8 million tons annually, yet landfill disposal dominates and causes significant environmental impacts (LCA score: 40.29). The reclassification of FABA as non-hazardous waste under Government Regulation No. 22/2021 creates utilization opportunities; however, evidence-based regional policies remain limited. This research examines the integration of LCA and policy analysis to formulate recommendations for sustainable FABA management in South Sumatra. A convergent parallel design was applied, using LCA to compare landfill, paving block, and compost scenarios, and AHP involving 33 stakeholders to prioritize policy criteria and alternatives. LCA results show that compost has the lowest environmental impact (5.62), followed by paving blocks (~18.00) and landfill (40.29). AHP prioritizes environmental (32.0%) and social (24.5%) aspects, with compost as the top alternative (46.5%). The LCA–AHP integration indicates strong alignment between scientific evidence and stakeholder preferences. Based on these results, policy recommendations are proposed across short-, medium-, and long-term horizons, supported by a stakeholder responsibility matrix to ensure effective implementation. The study provides integrated policy recommendations and supports circular economy development, multi-criteria decision-making, and SDGs 12, 13, and 15, positioning South Sumatra as a potential model for sustainable FABA management
Implementation of the Fuzzy AHP, PROMETHEE II, and VIKOR Methods in Selecting Priority Projects in the Utilities Area of the PT ABC Refinery Dwiky Nugraha; Vita Ratnasari; Ridho Bayuaji; Ruri Agung Wahyuono
Journal Research of Social Science, Economics, and Management Vol. 5 No. 12 (2026): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v5i12.1629

Abstract

The Utilities Plant at PT ABC’s LNG Plant has experienced declining reliability due to aging infrastructure. Data from the 2019–2024 period showed that 8 out of 13 Process Train operational failure cases were attributed to utility area failures, resulting in losses amounting to hundreds of billions of rupiahs. Capital investment evaluation (CAPEX) has traditionally focused primarily on financial indicators without incorporating non-financial parameters. This study applied a three-stage hybrid multicriteria decision-making (MCDM) model consisting of Fuzzy Analytical Hierarchy Process (FAHP) based on Buckley’s approach, PROMETHEE II, and VIKOR to optimize the selection of eight strategic project alternatives. The FAHP results identified Safety (35.06%) and Reliability (22.48%) as the highest-priority criteria. The PROMETHEE II method ranked HV Transformer Replacement (A3) as the first priority (net flow = +0.5308) and DCS Upgrade (A2) as the second priority (net flow = +0.5223). However, the Acceptable Advantage test in the VIKOR method indicated a very small difference in the compromise index (?Q = 0.0469 < 0.1429), suggesting that the ranking difference between the top alternatives was not sufficiently significant. Sensitivity analysis within the ±5% range resulted in shifts in the priority rankings, confirming the interdependence between power supply reliability and control automation systems. This study recommends HV Transformer Replacement (A3) and DCS Upgrade (A2) as co-priority project alternatives for implementation.
Pengaruh Limbah Phospo Gypsum sebagai Bahan Pengganti Semen terhadap Uji Setting Time Kurniawan Aji Sasono; Moch. Luqman Ashari; Ridho Bayuaji
Conference Proceeding on Waste Treatment Technology Vol. 2 No. 1 (2019): Conference Proceeding on Waste Treatment Technology
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Limbah phospo gypsum adalah limbah dari hasil proses produksi pembuatan asam fosfat. Asam fosfat terbentuk karena proses asam sulfat di kontakkan dengan batuan phospat yang menghasilkan limbah berupa phospo gypsum. Limbah gypsum menurut lampiran PP 101 tahun 2014 adalah termasuk limbah B3 sumber spesifik khusus kategori bahaya 2 dengan kode limbah B414. sehingga perlu adanya pengelolaan limbah B3 mengingat limbah tersebut merupakan limbah yang berbahaya. Pengujian kualitas dan kelayakan bahan limbah phospo gypsum yang akan digunakan sebagai bahan bangunan dapat dilakukan dengan pengujian setting time. Pengujian setting time dilakukan dengan menggunakan jarum vicat. Setting time terdiri dari setting time awal dan setting time akhir. Penelitian ini menggunakan 5 variabel yaitu menggunakan semen, air dan limbah phospo gypsum, dengan prosentase limbah phospo gypsum sebesar 0%; 5%; 10%; 15%; dan 20%. Berdasarkan hasil percobaan yang telah dilakukan didapatkan nilai uji setting time awal sebagai berikut 63,46 menit, 30 menit, 30 menit, 45 menit, dan 69 menit dan akhir sebagai berikut 120 menit, 120 menit, 120 menit 135 menit dan 150 menit. Berdasarkan hasil percobaan yang telah dilakukan mengenai pengaruh limbah phospo gypsum sebagai bahan pengganti semen terhadap nilai setting time dapat disimpulkan bahwa prosentase 5%, 10%, dan 15% dapat mempercepat setting time pada semen.
Digital Service Transformation Strategy for Enhancing Customer Satisfaction and ISP Growth Hanafi Ali Jan; Ridho Bayuaji
Technomedia Journal Vol 11 No 2 (2026): October
Publisher : Pandawan Incorporation, Alphabet Incubator Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/tmj.v11i2.2718

Abstract

Penelitian ini menganalisis pengaruh Teknologi Layanan, Kinerja Teknisi Lapangan, dan Persepsi Kewajaran Harga terhadap Kinerja Layanan, Kepuasan Pelanggan, serta Niat Perilaku Pro-Pertumbuhan Penyelenggara Jasa Internet (ISP). Dalam industri layanan internet yang kompetitif, perusahaan dituntut menghadirkan teknologi jaringan andal sekaligus kualitas layanan dan harga yang adil guna meningkatkan kepuasan pelanggan dan pertumbuhan bisnis berkelanjutan. Penelitian menggunakan pendekatan kuantitatif dengan metode Partial Least Squares Structural Equation Modeling (PLS-SEM) terhadap 150 pelanggan aktif PT Teknologi Rubi Mandriva di Kota Manado dan Kota Gorontalo, dianalisis menggunakan SmartPLS 4 dengan bootstrapping 5.000 subsampel. Model penelitian terdiri atas enam konstruk, dengan Teknologi Layanan, Kinerja Teknisi Lapangan, dan Persepsi Kewajaran Harga sebagai prediktor formatif terhadap Kinerja Layanan, yang selanjutnya membentuk Kepuasan Pelanggan dan Niat Perilaku Pro-Pertumbuhan. Hasil menunjukkan bahwa Kinerja Teknisi Lapangan dan Persepsi Kewajaran Harga berpengaruh signifikan terhadap Kinerja Layanan, sedangkan Teknologi Layanan tidak berpengaruh signifikan. Kinerja Layanan terbukti berpengaruh kuat terhadap Kepuasan Pelanggan, mendorong loyalitas, rekomendasi positif, dan kesediaan membayar lebih. Dari tujuh hipotesis yang diuji, lima diterima dan dua ditolak, menegaskan teknologi hanya sebagai standar dasar, bukan pendorong kepuasan. Penelitian menyimpulkan bahwa pertumbuhan ISP lebih dipengaruhi kualitas pengalaman layanan melalui Kinerja Layanan dan Kinerja Teknisi Lapangan dibandingkan Teknologi Layanan semata, sehingga perusahaan ISP perlu memprioritaskan kompetensi teknisi dan transparansi harga dalam strategi transformasi digital layanan.
Co-Authors ABM Diah Ade Asmi Agus Imam Sonhaji Agus Imam Sonhaji, Agus Imam Akhmad F. Alhikami Akhmad Faruq Alhikami Alfayet, Muhamad Rifki Amaliya Rasyida Ardiansyah, Giri Teguh Arwinda Aribah Cahyani Beta Rahayuning Pratiwi Budi Suswanto Darmawan, Muhammad Sigit Deris Faisa Ralindra Dicky Imam Wahyudi Dicky Imam Wahyudi Dora Melati Nurita Sandi Dwiki Pratama Putra Dwiky Nugraha Franky Kusuma Gunawan Nugroho Hamzah Fansuri Hanafi Ali Jan Hazen Masrafat Hendra Cordova Hendro Nurhadi Hidayati, Ririn Eva Hudiyo Firmanto, Hudiyo Husin, Nur Ahmad Ibnu Pudji Rahardjo Ibnu Pudji Rahardjo Indarto Indarto Indarto Indarto Indra Komara Iqbal, Rendy Muhamad Januarti Jaya Ekaputri Joko Waluyo Junaedi, Nurhayati Kohar Yudoprasetyo Kurniawan Aji Sasono M Sigit Darmawan MF Nuruddin Mochamad Luqman Ashari Moh. Safi’i Mansur Muhammad Sigit Darmawan Muhammad Sigit Darmawan Muhammad Sigit Darmawan Njoko, Fillbert Nur Achmad Husin Nur Achmad Husin Nur Achmad Husin Nur Ahmad Husin Nurfain, Irfan Priantama, Dimas Bayu Prihantono, Gentur R. Buyung Anugrah Affandhie R. Buyung Anugraha Affandhie R. Buyung Anugraha Affandhie R.Y. Perry Burhan, R.Y. Perry Raden Buyung Anugraha Raden Buyung Anugraha Affandi Reny Nadlifatin Ria Asih Aryani Soemitro Ridho Hantoro Rifqi Nadhif Arrafid Ruri Agung Wahyuono SATRIYAS ILYAS Sigit Darmawan Silvana Dwi Nurherdiana Sita Auliyah Rahmasari Srie Subekti Subaer - Subekti, Srie Sulchan Arifin Sulchan Arifin Sungkono Karsidi Sungkono Karsidi Sungkono Sungkono Supriadi, Warih Susilo, Alfred Jonathan Suwandi Suwandi Totok R. Biyanto Totok R. Biyanto Totok R. Biyanto Totok R. Biyanto TR Biyanto Vita Ratnasari Wicaksono, Aris Dwi Wicaksono, Sigit Tri Yerry Sutatio Yuga Prayna Pawitra Yuyun Tajunnisa