LEE, JUNG HO,KIM, HYUNG ROK,HAN, YO HAN,JEON, JONG YEOL
申请号：
KR20050078854
公开号：
KR100644246(B1)
申请日:
2005.08.26
申请国别(地区):
韩国
年份:
2006
代理人:
摘要：
Provided are a method for preparing a fatty acid alkyl ester from animal and vegetable oils easily without post-processing such as washing or distillation, and a transesterification composite catalyst used in the preparation. The method comprises the step of reacting an animal and/or vegetable oil with a low molecular weight alcohol of C1-C4 in the presence of a catalyst represented by xMgOÀyZnOÀZnAl2O4 in a fixed bed reactor to prepare a fatty acid alkyl ester continuously, wherein x and y represent a molar ratio to ZnAl2O4; x is 1-3; y is 0-2; and ZnAl2O4 is a zinc aluminate having a spinel structure. Preferably the animal and/or vegetable oil comprises at least one selected from the group consisting of a soybean oil, a rapeseed oil, a sunflower seed oil, a corn oil, a palm oil, tallow, and their mixture.
