|Table of Contents|

Synthesis of Biodiesel by KF/CuAl-LDOs Solid Base(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2011年05期
Page:
861-864
Research Field:
Publishing date:

Info

Title:
Synthesis of Biodiesel by KF/CuAl-LDOs Solid Base
Author(s):
ZHANG Qiu-yun; WU Zu-zhi; WANG Yi-jie; ZHANG Hui; ZHONG Lei; ZHOU Kai-zhi; MA Pei-hua
School of Chemistry and Chemical Engineering，Guizhou University，Guiyang 550025,Guizhou,China
Keywords:
Solid base; Soybean; Transesterification; Biodiesel
PACS:
TQ645.1
DOI:
10.11861/j.issn.1000-9841.2011.05.0861
Abstract:
Cu-Al hydrotalcite was prepared by conventional co-precipitate method,and then loaded various amounts of KF on it as catalysts.The series of catalysts were used to synthetize biodiesel by the transesterification of soybean oil with methanol.The molar ratio of Cu-Al,catalyst dosage,KF load,methanol to oil molar ratio,reaction temperature and time in the reaction process were studied.The results showed that the optimal conditions of transesterification were as follows:molar ratio of Cu-Al with 3∶1,the amount of catalyst with 3%,the load of KF with 40%,the ratio of alcohol and oil with 9∶1,reacted at 70℃ for 1 h,the biodiesel yield up to 97.4%.

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Last Update: 2014-08-16