Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste
This study explores the potential of enhancing waste rubber pyrolysis oil (WRPO) by blending it with biodiesel derived from used cooking oil (WCO biodiesel oil) to improve its suitability as an alternative biofuel. The hypothesis posits that such blending will improve fuel stability, reduce acidity,...
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| Language: | English |
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Elsevier
2025-06-01
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| Series: | Case Studies in Chemical and Environmental Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666016425001379 |
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| author | Preecha Moonsin Wuttichai Roschat Sunti Phewphong Sittichai Watthanalao Bunterm Maneerat Aekkaphon Thammayod Tappagorn Leelatam Prawit Suwannarong Boonyawan Yoosuk Pathompong Janetaisong Vinich Promarak |
| author_facet | Preecha Moonsin Wuttichai Roschat Sunti Phewphong Sittichai Watthanalao Bunterm Maneerat Aekkaphon Thammayod Tappagorn Leelatam Prawit Suwannarong Boonyawan Yoosuk Pathompong Janetaisong Vinich Promarak |
| author_sort | Preecha Moonsin |
| collection | DOAJ |
| description | This study explores the potential of enhancing waste rubber pyrolysis oil (WRPO) by blending it with biodiesel derived from used cooking oil (WCO biodiesel oil) to improve its suitability as an alternative biofuel. The hypothesis posits that such blending will improve fuel stability, reduce acidity, and enhance combustion efficiency. The methodology included fuel characterization, preparation of various blending ratios, and evaluation of fuel properties, engine performance, and emissions. WRPO was found to contain high levels of aromatic and oxygenated compounds, resulting in high acidity (0.48 mg KOH/g), low viscosity (1.93 cSt), and a reduced heating value (44.39 MJ/kg). In contrast, WCO biodiesel oil exhibited strong ester characteristics, contributing to improved combustion and stability. Blending WRPO with WCO biodiesel oil at a 50:50 ratio (P50:B50 blend) enhanced fuel properties, including a density of 895 kg/m3, reduced viscosity (3.28 cSt), and a lower acid value (0.26 mg KOH/g), along with an increased heating value of 45.60 MJ/kg—approaching that of conventional diesel. Engine testing showed improved torque and reduced brake-specific fuel consumption (BSFC) compared to pure WRPO. Emission analysis revealed reductions in CO (18.5 %), HC (23.7 %), and smoke opacity (16.2 %), while NOx emissions remained below diesel levels due to the lower combustion temperature of WRPO. These results suggest that the P50:B50 blend effectively addresses the drawbacks of WRPO, offering a promising, sustainable alternative to conventional diesel through improved performance, reduced emissions, and waste-to-energy valorization. |
| format | Article |
| id | doaj-art-ce1dbc1976da4b33adb64db76dc522bd |
| institution | Kabale University |
| issn | 2666-0164 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Chemical and Environmental Engineering |
| spelling | doaj-art-ce1dbc1976da4b33adb64db76dc522bd2025-08-20T03:52:24ZengElsevierCase Studies in Chemical and Environmental Engineering2666-01642025-06-011110123010.1016/j.cscee.2025.101230Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber wastePreecha Moonsin0Wuttichai Roschat1Sunti Phewphong2Sittichai Watthanalao3Bunterm Maneerat4Aekkaphon Thammayod5Tappagorn Leelatam6Prawit Suwannarong7Boonyawan Yoosuk8Pathompong Janetaisong9Vinich Promarak10Program of Chemistry, Faculty of Science, Ubon Ratchathani Rajabhat University, Mueang District, Ubon Ratchathani, 34000, ThailandBiomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Innovation in Chemistry for Community Research Unit, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Corresponding author. Biomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand.Biomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Innovation in Chemistry for Community Research Unit, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandBiomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandBiomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Appropriated Technology Center, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandBiomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Innovation in Chemistry for Community Research Unit, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandBiomass Energy Research Laboratory, Center of Excellence on Alternative Energy, Research and Development Institution, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Innovation in Chemistry for Community Research Unit, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, Thailand; Appropriated Technology Center, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandProgram of Environment Science, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Mueang District, Sakon Nakhon, 47000, ThailandNational Energy Technology Center (ENTEC), 114 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani, 12120, ThailandNational Energy Technology Center (ENTEC), 114 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani, 12120, ThailandDepartment of Material Science and Engineering, School of Molecular Science & Engineering, Vidyasirimedhi Institute of Science and Technology, Wangchan, Rayong, 21210, ThailandThis study explores the potential of enhancing waste rubber pyrolysis oil (WRPO) by blending it with biodiesel derived from used cooking oil (WCO biodiesel oil) to improve its suitability as an alternative biofuel. The hypothesis posits that such blending will improve fuel stability, reduce acidity, and enhance combustion efficiency. The methodology included fuel characterization, preparation of various blending ratios, and evaluation of fuel properties, engine performance, and emissions. WRPO was found to contain high levels of aromatic and oxygenated compounds, resulting in high acidity (0.48 mg KOH/g), low viscosity (1.93 cSt), and a reduced heating value (44.39 MJ/kg). In contrast, WCO biodiesel oil exhibited strong ester characteristics, contributing to improved combustion and stability. Blending WRPO with WCO biodiesel oil at a 50:50 ratio (P50:B50 blend) enhanced fuel properties, including a density of 895 kg/m3, reduced viscosity (3.28 cSt), and a lower acid value (0.26 mg KOH/g), along with an increased heating value of 45.60 MJ/kg—approaching that of conventional diesel. Engine testing showed improved torque and reduced brake-specific fuel consumption (BSFC) compared to pure WRPO. Emission analysis revealed reductions in CO (18.5 %), HC (23.7 %), and smoke opacity (16.2 %), while NOx emissions remained below diesel levels due to the lower combustion temperature of WRPO. These results suggest that the P50:B50 blend effectively addresses the drawbacks of WRPO, offering a promising, sustainable alternative to conventional diesel through improved performance, reduced emissions, and waste-to-energy valorization.http://www.sciencedirect.com/science/article/pii/S2666016425001379Liquid biofuelBiodiesel oilPyrolysis oilFuel blendingSustainable energy |
| spellingShingle | Preecha Moonsin Wuttichai Roschat Sunti Phewphong Sittichai Watthanalao Bunterm Maneerat Aekkaphon Thammayod Tappagorn Leelatam Prawit Suwannarong Boonyawan Yoosuk Pathompong Janetaisong Vinich Promarak Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste Case Studies in Chemical and Environmental Engineering Liquid biofuel Biodiesel oil Pyrolysis oil Fuel blending Sustainable energy |
| title | Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste |
| title_full | Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste |
| title_fullStr | Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste |
| title_full_unstemmed | Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste |
| title_short | Development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low-quality rubber waste |
| title_sort | development of liquid biofuel properties through the blending of biodiesel from used cooking oil and pyrolysis oil from low quality rubber waste |
| topic | Liquid biofuel Biodiesel oil Pyrolysis oil Fuel blending Sustainable energy |
| url | http://www.sciencedirect.com/science/article/pii/S2666016425001379 |
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