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All Journal CHEMISTRY PROGRESS Jurnal Penelitian Hasil Hutan Alchemy Jurnal Penelitian Kimia Indonesian Journal of Chemical Science Indonesian Journal of Chemistry Communications in Science and Technology CORD Molluca Journal of Chemistry Education (MJoCE) Bulletin of Chemical Reaction Engineering & Catalysis JURNAL REKAYASA KIMIA & LINGKUNGAN
Wega Trisunaryanti
Jurusan Kimia MIPA Universitas Gadjah Mada, Yogyakarta
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Library & Information Science Materials Science & Nanotechnology

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Journal : Bulletin of Chemical Reaction Engineering

 1 
A Green and Sustainable Approach for Converting Laboratory Latex Glove Waste into Liquid Fuel via Microwave-assisted Pyrolysis Wangsa, Wangsa; Saviola, Aldino Javier; Hauli, Latifah; Trisunaryanti, Wega; Chandra, Patrik; Fitria, Riska Astin; Mahayuwati, Puspa Nindro; Wijaya, Karna
Bulletin of Chemical Reaction Engineering & Catalysis 2025: BCREC Volume 20 Issue 3 Year 2025 (October 2025)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20429

Abstract

The extensive use of chemical laboratories for experimental and research activities has resulted in the substantial accumulation of latex glove waste, a widely used form of personal protective equipment (PPE). This study presents a novel and sustainable approach for converting laboratory latex glove waste into liquid fuel using microwave-assisted pyrolysis (MAP), which aligns with the principles of green chemistry. Under optimal conditions, including a microwave power of 800 W and an irradiation time of 30 min, the process achieved a liquid product yield of 52.58 wt%, with 41.86 wt% consisting of gasoline-range hydrocarbons (C₅–C₁₂). The primary compound identified in the liquid product was D-limonene (C₁₀H₁₆), a valuable monocyclic terpene. Compared to conventional pyrolysis conducted in a semi-batch reactor, the MAP process exhibited superior performance in terms of liquid yield, gasoline-range hydrocarbon content, total hydrocarbon composition, and calorific value. This innovative waste-to-fuel conversion method demonstrates the strong potential of MAP as an efficient and environmentally responsible strategy for waste valorization and resource recovery. Copyright © 2025 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Reaction Kinetics of Waste Cooking Oil Hydrocracking into Biofuel Using Ni-Impregnated Mesoporous Silica Catalyst Salamah, Siti; Trisunaryanti, Wega; Kartini, Indriyana; Purwono, Suryo
Bulletin of Chemical Reaction Engineering & Catalysis 2025: BCREC Volume 20 Issue 3 Year 2025 (October 2025)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20399

Abstract

The growing demand for energy and the scarcity of fossil fuel resources have driven research into alternative fuels, one of which being the conversion of waste cooking oil into biofuel through hydrocracking. This study investigates the reaction kinetics of waste cooking oil hydrocracking using a Ni-impregnated mesoporous silica catalyst. The process was conducted at 450 °C with a hydrogen gas flow to produce products such as green naphtha, green gasoline, and green diesel. The proposed reaction kinetics model was the pseudo-first order, solved using differential and integral methods. The results showed that the first-order reaction provided a more representative outcome, with a reaction rate constant (k’) of 0.276 h⁻¹ at 450 °C. Additionally, the Arrhenius kinetic model revealed an activation energy of 37.8748 kJ/mol for this process. Thus, this study demonstrates a significant potential of using mesoporous silica catalysts in waste cooking oil hydrocracking to produce environmentally friendly and economically viable biofuels. Copyright © 2025 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Abd. Rasyid Syamsuri Ady Mara, Ady Aminuyati Bambang Setiaji Budiyansah, Amsal Chairil Anwar Chandra, Patrik Dian Maruto Widjonarko Endang Tri Wahyuni Fatmawati, Dyah Ayu Fitria, Anissa Fitria, Riska Astin Haryo Satriya Oktaviano Hauli, Latifah I F Nurcahyo, I F I. D. K. Anom Imam Santoso Indriana Kartini Karna Wijaya Kartini, Indriyana Khoirina Dwi Nugrahaningtyas Lisna Efiyanti Mahayuwati, Puspa Nindro Meytij Jeanne Rampe Nugraheni, Ika Kusuma Nuryati Nuryati Nuryono Nuryono Pattiasina, Priska Marisa Persada, Anggun Angkasa Bela Purbonegoro, Jason Rahayu, Endah Fitriani Rodiansono Rodiansono Rodiansono Saputro, Muhammad Darul Ikhsan Saviola, Aldino Javier Siti Salamah St. Haerani, St. Suryo Purwono Tazkia, Aulia Meylida Triyono Triyono . Triyono Triyono Uswatul Chasanah, Uswatul Wangsa Wangsa, Wangsa