Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
The waste fractionated chicken eggshell catalysts were utilized and used in biodiesel production from off-grade sunflower oil. It is confirmed that thermal modification treatment was suitable for conversion of calcite form of eggshell into lime. Fractionation was carried out in the wide particle diameter range from 20 μm. to 100 μm. It is shown that the highest catalytic activity (fatty acid methyl esters content-FAME >96%) was achieved using catalyst obtained from powder faction of >45<63 μm. Important differences in catalytic activity were observed for the boundary fractions (<20 μm, >20<36 μm, and >100 μm), where catalytic activity was greatly reduced. Such behaviour could be explained by mercury intrusion porosimetry results, which indicate the existence of apparent porosity (interparticle and intraparticle) in the mentioned boundary fractions, while in the central fraction (>45<63 μm) the porosity is constant. A poorly-developed system of pores and channels leads to difficult diff...usion and inadequate distribution of active centres.
Кључне речи:
waste chicken eggshell / biodiesel / biofuel catalysts / off-grade sunflower oilИзвор:
Proceedings - 2nd International Conference On Green Energy And Environmental Technology, 2022Финансирање / пројекти:
Институција/група
IHTMTY - CONF AU - Pavlović, Stefan AU - Kosić, Višnja AU - Marinković, Dalibor AU - Kostić, Milan PY - 2022 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/5307 AB - The waste fractionated chicken eggshell catalysts were utilized and used in biodiesel production from off-grade sunflower oil. It is confirmed that thermal modification treatment was suitable for conversion of calcite form of eggshell into lime. Fractionation was carried out in the wide particle diameter range from 20 μm. to 100 μm. It is shown that the highest catalytic activity (fatty acid methyl esters content-FAME >96%) was achieved using catalyst obtained from powder faction of >45<63 μm. Important differences in catalytic activity were observed for the boundary fractions (<20 μm, >20<36 μm, and >100 μm), where catalytic activity was greatly reduced. Such behaviour could be explained by mercury intrusion porosimetry results, which indicate the existence of apparent porosity (interparticle and intraparticle) in the mentioned boundary fractions, while in the central fraction (>45<63 μm) the porosity is constant. A poorly-developed system of pores and channels leads to difficult diffusion and inadequate distribution of active centres. C3 - Proceedings - 2nd International Conference On Green Energy And Environmental Technology T1 - Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts UR - https://hdl.handle.net/21.15107/rcub_cer_5307 ER -
@conference{ author = "Pavlović, Stefan and Kosić, Višnja and Marinković, Dalibor and Kostić, Milan", year = "2022", abstract = "The waste fractionated chicken eggshell catalysts were utilized and used in biodiesel production from off-grade sunflower oil. It is confirmed that thermal modification treatment was suitable for conversion of calcite form of eggshell into lime. Fractionation was carried out in the wide particle diameter range from 20 μm. to 100 μm. It is shown that the highest catalytic activity (fatty acid methyl esters content-FAME >96%) was achieved using catalyst obtained from powder faction of >45<63 μm. Important differences in catalytic activity were observed for the boundary fractions (<20 μm, >20<36 μm, and >100 μm), where catalytic activity was greatly reduced. Such behaviour could be explained by mercury intrusion porosimetry results, which indicate the existence of apparent porosity (interparticle and intraparticle) in the mentioned boundary fractions, while in the central fraction (>45<63 μm) the porosity is constant. A poorly-developed system of pores and channels leads to difficult diffusion and inadequate distribution of active centres.", journal = "Proceedings - 2nd International Conference On Green Energy And Environmental Technology", title = "Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts", url = "https://hdl.handle.net/21.15107/rcub_cer_5307" }
Pavlović, S., Kosić, V., Marinković, D.,& Kostić, M.. (2022). Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts. in Proceedings - 2nd International Conference On Green Energy And Environmental Technology. https://hdl.handle.net/21.15107/rcub_cer_5307
Pavlović S, Kosić V, Marinković D, Kostić M. Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts. in Proceedings - 2nd International Conference On Green Energy And Environmental Technology. 2022;. https://hdl.handle.net/21.15107/rcub_cer_5307 .
Pavlović, Stefan, Kosić, Višnja, Marinković, Dalibor, Kostić, Milan, "Biodiesel Production From Off-Grade Oil By Transesterification Over Differently Granulated Waste-Based CaO Catalysts" in Proceedings - 2nd International Conference On Green Energy And Environmental Technology (2022), https://hdl.handle.net/21.15107/rcub_cer_5307 .