Journal of Engineering and Technological Sciences welcomes full research articles in: General Engineering, Earth-Surface Processes, Materials Science, Environmental Science, Mechanical Engineering, Chemical Engineering, Civil and Structural Engineering.


In Progress

Vol. 58 No. 2 (2026): April (In Progress)
Published: 2026-01-12

Articles

  • Assessment of Groundwater Contamination around Bakung Landfill, Lampung, Indonesia Using Geoelectrical Resistivity and Hydrogeochemical Data

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.1
    Rizka Rizka (1), Djoko Santoso (2), Warsa Warsa (3), Irwan Iskandar (4)
    (1) Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, West Java, Indonesia ,
    (2) Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, West Java, Indonesia ,
    (3) Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, West Java, Indonesia ,
    (4) Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, West Java, Indonesia
    149-165
    Abstract : 21
    PDF : 3
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.1

  • The Presence of Organochlorine and Organophosphate Pesticide Residue in Groundwater at the Upper Citarum Watershed

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.2
    Deviyani Deviyani (1), Katharina Oginawati (2), Indah Rahmatiah Siti Salami (3)
    (1) Doctoral Program of Environmental Engineering, Faculty of Civil and Environmental Engineering, Bandung Institute of Technology, Jalan Ganesa 10, Bandung, 40132, Jawa Barat, Indonesia ,
    (2) Department of Environmental Engineering, Faculty of Civil and Environmental Engineering, Bandung Institute of Technology, Jalan Ganesa 10, Bandung, 40132, Jawa Barat, Indonesia ,
    (3) Department of Environmental Engineering, Faculty of Civil and Environmental Engineering, Bandung Institute of Technology, Jalan Ganesa 10, Bandung, 40132, Jawa Barat, Indonesia
    166-185
    Abstract : 30
    PDF : 2
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.2

  • Two-electron CO2 Reduction Reaction Mechanism on Nickel Cobalt Phosphate Surface Doped by Transition Metal: A DFT Study

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.3
    Raka Primipara (1), Dzaki Ahmad Syaifullah (2), Muhammad Arkan Nuruzzahran (3), Dyah Puspasari Wijayanti (4), Hamad AlMohamadi (5), Nadhratun Naiim Mobarak (6), Fadjar Fathurrahman (7), Adhitya Gandaryus Saputro (8)
    (1) Graduate Program of Engineering Physics, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, Indonesia ,
    (2) Graduate Program of Engineering Physics, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, Indonesia ,
    (3) Graduate Program of Engineering Physics, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, Indonesia ,
    (4) Graduate Program of Engineering Physics, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, Indonesia ,
    (5) Department of Chemical Engineering, Faculty of Engineering, Islamic University of Madinah, Prince Naif Bin Abdulaziz Road, Al Jamiah, Madinah 42351, , Saudi Arabia ,
    (6) Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor 43600, , Malaysia ,
    (7) Quantum and Nano Technology Research Group, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, Indonesia ,
    (8) Research Centre for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung, West Java 40132, , Indonesia
    186-201
    Abstract : 30
    PDF : 2
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.3

  • Data-driven Analysis and Optimization of Combined Cycle Power Plants using Machine Learning Models

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.4
    Seksaf Hiba Dikra (1), Amjad Gawanmeh (2), Khelif Rabia (3)
    (1) Department of Mechanical Engineering, Badji Mokhtar-Annaba University, 17 hassen chaouche, Annaba 23000, , Algeria ,
    (2) College of Engineering and IT, University of Dubai, Academic City, Emirates Road, 14143, Dubai, , United Arab Emirates ,
    (3) epartment of Mechanical Engineering, Badji Mokhtar-Annaba University, 17 hassen chaouche, Annaba 23000, Algeria
    202-216
    Abstract : 18
    PDF : 1
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.4

  • The Influence of Magnetically Treated Lubricating-cooling Fluids on Turning AISI 1045

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.5
    Umidjon Mardonov (1), Sanjarbek Madaminov (2), Andrey Jeltukhin (3), Yahyojon Meliboev (4)
    (1) Department of Mechanical Engineering Technology, Tashkent State Technical University, University Street 2, Olmazor 100095, Tashkent, , Uzbekistan ,
    (2) Department of Transport System, Urgench State University, Universitet Hiyoboni 1, Urgench 220100, Uzbekistan ,
    (3) Department of Mechanical Engineering Technology, Tashkent State Technical University, University Street 2, Olmazor 100095, Tashkent, , Uzbekistan ,
    (4) Department of Transport System, Urgench State University, Universitet Hiyoboni 1, Urgench 220100, Uzbekistan
    217-226
    Abstract : 26
    PDF : 4
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.5

  • Hybrid Ultrasound and Advanced Oxidation Process Regeneration of Spent FCC Catalysts: Optimization and Their Catalytic Performance

    DOI : 10.5614/j.eng.technol.sci.2026.58.2.6
    Didi Dwi Anggoro (1), Luqman Buchori (2), Nino Rinaldi (3), Silviana Silviana (4), Brilliant Umara Le Monde (5), Muhammad Fadila Putra (6), Muzakkir Mohamad Zainol (7)
    (1) Departement of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, , Angola ,
    (2) Departement of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, , Indonesia ,
    (3) Research Center for Chemistry, National Research and Innovation Agency (BRIN), Building 452, K.S.T. BJ. Habibie PUSPIPTEK, Jalan Raya Serpong, South Tangerang 15341, Indonesia ,
    (4) Departement of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia ,
    (5) Departement of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia ,
    (6) Departement of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Jalan Prof. Soedarto, Semarang 50275, Indonesia ,
    (7) School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, Jalan Ilmu 1/1, 40450, Shah Alam, Selangor, Malaysia
    227-242
    Abstract : 22
    PDF : 1
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2026.58.2.6
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