期刊
MATERIALS
卷 14, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/ma14010048
关键词
biodiesel production; monometallic catalyst; zeolite; FAME
类别
资金
- Lodz University of Technology [RNN/WFS/1/2019]
- National Science Center, Poland [2018/29/B/ST8/01317]
Biodiesel production from rapeseed oil and methanol using various monometallic catalysts supported on natural zeolite was investigated. Highest activity and methyl ester yields were observed with Pt/NZ catalyst, suggesting noble metals improve reactivity properties. Increasing metal loading from 0.5 to 2 wt.% enhanced catalytic performance.
Biodiesel production from rapeseed oil and methanol via transesterification reaction facilitated by various monometallic catalyst supported on natural zeolite (NZ) was investigated. The physicochemical characteristics of the synthesized catalysts were studied by X-ray diffraction (XRD), Brunauer-Emmett-Teller method (BET), temperature-programmed-reduction in hydrogen (H-2-TPR), temperature-programmed-desorption of ammonia (NH3-TPD), Scanning Electron Microscope equipped with EDX detector (SEM-EDS), and X-ray photoelectron spectroscopy (XPS) methods. The highest activity and methyl ester yields were obtained for the Pt/NZ catalyst. This catalyst showed the highest triglycerides conversion of 98.9% and fatty acids methyl esters yields of 94.6%. The activity results also confirmed the high activity of the carrier material (NZ) itself in the investigated reaction. Support material exhibited 90.5% of TG conversion and the Fatty Acid Methyl Esters yield (FAME) of 67.2%. Introduction of noble metals improves the TG conversion and FAME yield values. Increasing of the metal loading from 0.5 to 2 wt.% improves the reactivity properties of the investigated catalysts.
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