双核离子液体固载Zr-SBA-15的制备及其催化大豆油合成生物柴油

刘宁; 王亮; 翟雨婷; 尹慧; 申丹凤; 唐新德

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

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (1) : 215-221. DOI: 10.19912/j.0254-0096.tynxb.2023-1523

双核离子液体固载Zr-SBA-15的制备及其催化大豆油合成生物柴油

刘宁¹, 王亮², 翟雨婷¹, 尹慧¹, 申丹凤¹, 唐新德¹

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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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摘要

利用硅烷偶联剂将双核离子液体嫁接到Zr-SBA-15载体表面,制得双核离子液体改性Zr-SBA-15有机-无机杂化体（ILs-ZrS）催化剂。通过傅里叶红外光谱分析(FT-IR)、热重分析(TGA)、小角度X射线衍射分析(XRD)、N₂物理吸附BET、内部组织形貌观察（TEM）、表面形貌分析（SEM）等表征方法考察所制备的固体碱性离子液体催化剂的性能。结果表明：当离子液体化合物[CTBM]OH与载体Zr-SBA-15加入量之比为2.0 mmol∶1.0 g,所制备的催化剂ILs-ZrS-2显示出相对优异的催化活性。当ILs-ZrS-2添加量为5%、反应时间为8 h、反应温度为65 ℃、醇油物质的量之比为20时,生物柴油收率达94.3%。在其重复使用4次后,催化剂仍能保持良好的催化活性。

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.

导出引用

刘宁, 王亮, 翟雨婷, 尹慧, 申丹凤, 唐新德. 双核离子液体固载Zr-SBA-15的制备及其催化大豆油合成生物柴油[J]. 太阳能学报. 2025, 46(1): 215-221 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1523

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

中图分类号： TK6

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