دورية
NaAlO2/CuFe2O4as a novel basic magnetic heterogeneous catalyst for effective biodiesel production: Synthesis, characterization, and optimization via RSM-FCCD modeling approach
| العنوان: | NaAlO2/CuFe2O4as a novel basic magnetic heterogeneous catalyst for effective biodiesel production: Synthesis, characterization, and optimization via RSM-FCCD modeling approach |
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| المؤلفون: | Santos, Hiarla Cristina Lima dos, Gonçalves, Matheus Arrais, da Silva Lima, Vicente, da Cas Viegas, Alexandre, Filho, Geraldo Narciso da Rocha, Conceição, Leyvison Rafael Vieira da |
| المصدر: | Process Safety and Environmental Protection; September 2024, Vol. 189 Issue: 1 p228-245, 18p |
| مستخلص: | This research focus on the development of a novel and superior basic magnetic heterogeneous catalyst, using NaAlO2as an active species supported in CuFe2O4to produce biodiesel. Thus, a series of catalysts have been synthesized by means of conventional and low-cost methods. The features of catalyst have been elucidated through techniques such as basicity, XRD, FTIR, SEM, EDS, TG/DTG and VSM. To optimize the biodiesel’s ester content, the face-centered central composite design with the response surface methodology, was employed to assess the effect of the aspects on the process: reaction temperature, MeOH:oil molar ratio, catalyst dosage and time. The regression model presented R2= 0.9394 and experimentally reached a maximum ester content of 95.9 % attributed to the biodiesel attained under the optimal reaction conditions: temperature of 95.0 °C, MeOH:oil molar ratio of 13:1, catalyst dosage of 8.0 % and time of 60.0 min. The catalyst presented a stable catalytic performance during four transesterification cycles (>90.0 %) and an efficient magnetic property for the catalyst separation and recovery process (Ms = 23.62 emu g−1). The biodiesel’s physicochemical properties were in compliance with ASTM D6751 standard. Finally, this extensive study reveals the basic magnetic heterogeneous catalyst as a practical and promising alternative to produce a sustainable biofuel. |
| قاعدة البيانات: | Supplemental Index |
Full Text Finder | تدمد: | 09575820 17443598 |
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| DOI: | 10.1016/j.psep.2024.06.047 |