1. 西安石油大学, 陕西省绿色低碳能源材料与过程工程技术研究中心, 陕西西安 710065
2. 西安石油大佳润实业有限公司, 陕西西安 710018
3. 陕西延长新能源有限责任公司, 陕西西安 710068
| 摘 要: | 生物柴油是一种绿色环保型可再生能源,是石化柴油类的首选替代品。以植物油、动物油或废食用油等为原料与醇类通过酯交换反应即可得生物柴油(脂肪酸甲酯)。文中调研了近年来以水滑石为载体负载固体碱,制备得到水滑石类(LDHs)复合氧化物,充分利用其比表面积大的特点,并将其作为催化剂用于催化制备生物柴油的文献。致力于寻找低温高效催化剂,实现生物柴油的“大丰收”。综述了水滑石的结构、不同制备方法和其在催化制备生物柴油中的作用进行了介绍,简述了不同制备方法得到的水滑石及其作为载体在催化制备生物柴油上的研究进展,发现共沉淀法和水热合成法因其制备简单,结构可控,反应条件不苛刻而深受研究者喜爱,且研究所采用的水滑石中镁铝水滑石居多,极少有研究者研究三元水滑石。除此,文中对水滑石类复合氧化物的研究前景进行了展望,应在负载型水滑石为催化剂催化制备生物柴油的研究上注重环保、绿色、节能等问题,打造并实现工业环保节能型绿色催化剂的生产。 |
| 关 键 词: | 水滑石; 催化; 生物柴油; 酯交换 |
| DOI: | 10.57237/j.cse.2023.03.002 |
1. Shaanxi Provincial Green Low Carbon Energy Materials and Processes Engineering Technology Research Center, Xi'an Shiyou University, Xi'an 710065, China
2. Xi'an Petroleum University Jialun Industrial Company Limited, Xi'an 710018, China
3. Shaanxi Yanchang New Energy Company Limited, Xi'an 710068, China
| Abstract: | Biodiesel is a green and environmentally friendly renewable energy source and is the preferred alternative to petrochemical diesel. Biodiesel (fatty acid methyl esters) can be obtained by transesterification of vegetable oils, animal oils or used cooking oils with alcohols. The complex oxides of Layered Double Hydroxides (LDHs) were prepared using hydrotalcite as a carrier and loaded with solid alkali, and used as catalysts for the catalytic preparation of biodiesel. The different preparation methods of hydrotalcite are reviewed, its applications are described, the progress of research on hydrotalcite and its use as a carrier in the catalytic preparation of biodiesel is briefly described, and the research prospects of hydrotalcite-based composite oxides are also presented. |
| Keywords: | Hydrotalcite; Catalysis; Biodiesel; Transesterification |
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