SYNTHESIS OF DUAL-CORE IONIC LIQUIDS MODIFIED Zr-SBA-15 AND CATAL PREPARATION OF BIODIESEL

Liu Ning; Wang Liang; Zhai Yuting; Yin Hui; Shen Danfeng; Tang Xinde

doi:10.19912/j.0254-0096.tynxb.2023-1523

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (1) : 215-221. DOI: 10.19912/j.0254-0096.tynxb.2023-1523

SYNTHESIS OF DUAL-CORE IONIC LIQUIDS MODIFIED Zr-SBA-15 AND CATAL PREPARATION OF BIODIESEL

Liu Ning¹, Wang Liang², Zhai Yuting¹, Yin Hui¹, Shen Danfeng¹, Tang Xinde¹

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Abstract

The ionic liquid was grafted onto the surface of the Zr-SBA-15 support using a silane coupling agent, and a strong basic dual-core ionic liquid ILs-ZrS solid base catalyst was successfully prepared. The physicochemical properties of the prepared catalyst with dual-nuclear solid basic ionic liquid was analyzed by FT-IR, small angle XRD, TEM, SEM, BET, TG and other analytical methods. The results show that when the ratio of the ionic liquid compound [CTBM]OH to the carrier Zr-SBA-15 is 2.0 mmol∶1.0 g, the prepared catalyst ILs-ZrS-2 demonstrates excellent catalytic performances in transesterification of soybean oil to biodiesel. The biodiesel yield of 94.3% is obtained when the molar ratio of alcohol to oil is 20：1, reaction temperature at 65 °C, reaction time 8 h and the catalyst dosage of 5%. The binuclear solid basic ionic liquid catalyst ILs-ZrS-2 can still maintain a good catalytic activity, after repeatedly used four times under good reaction conditions.

Key words

biodiesel / Zr-SBA-15 / mesoporous material / transesterification / organic-inorganic hybrid / basic ionic liquid

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Liu Ning, Wang Liang, Zhai Yuting, Yin Hui, Shen Danfeng, Tang Xinde. SYNTHESIS OF DUAL-CORE IONIC LIQUIDS MODIFIED Zr-SBA-15 AND CATAL PREPARATION OF BIODIESEL[J]. Acta Energiae Solaris Sinica. 2025, 46(1): 215-221 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1523

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