固体催化剂催化牛油制取生物柴油工艺优化.pdf

第29卷第17期
农业工程学报
ol.29No.17
2013年9月
I ransactions of' the Chinesc Socicty of Agricultural Fnginccrir
Scp.201.3
Optimiz ation of transesterification of beet tallow for biodiesel
roduction catalyzed by solid catalysts
Zhao Xinyu, Xu Guizhuan', Yu Yongchang, Yan Xiaobin, Zhang Bailiang
(College o/Eec rica and Mechanical Engineering, Leman Aa Univer iy, Zhengzhou 450002, Chin)
Abstract: The production of biodiesel from abandoned animal fat catalyzed by solid catalysts can realize the catalysts
rcutili/ation. decrease the cost of raw materials. thus enhancing the markel compclitivcness of biodiesel. The
transesterification rcaction of beef Allow and methanol to product biodiesel usiny Cs()Y-/12()3 as solid calalyst was
sludied in this study. Response surface methodology and Box-behnken experimental design were employed to oplimi/e
the reaction conditions. The variables of the molar ratio of methanol to oil, catalyst amount, reaction time and reaction
temperature were investigated, and the optimum conditions were obtained: molar ratio of methanol to oil 10.5: 1 catalyst
amounl 5.3%(based on the weight of 011), Rcaction timc 120 min, reaction Tcmperature 66 C Under this optimum reaction
conditions, the biodiesel yicld was 95.5%. The collected calalyst can be reused aftcr being calcined for 4 h al 400C and
the biodiesel yields decreased less than 6% afier the catalyst being reused for eight cyeles in the repeated experiments
The results would offer experimental foundation for the continuous and industrial production of biodiesel catalyzed by
solid catalysts from abandoned animal fat, and provide references for improving the market competitiveness of biodiesl
Key words: biodiesel, response surface methodology, transesterification, becl tallow
doi:10.39691issn.1002-68192013.17.026
CLC number: S216
Idocument code: A
Artice LID:10026819(2013)17019608
Zhao Xinyu, Xu (ui/huan, Yu Yongchang, cl al Optimi/alion of transcslcrification of beef tallow for biodiesel production
Llalyzed by solid catalysts J]. Transactions of the Chinese Socicly of Agricultural Enginccring(Iransactions o[ the
CSAE), 2013. 29(17): 196-203.(in Fnglish with Chinese abstract)
赵所宇,徐桂转,余泳昌,等.固体催化剂催化牛油制取生物柴油工艺优化[U].农业工程学报,2013,29(17):
196-203
system If this low-value feedstock is converted to
O ntroduction
il can offer a wide range of' energy,
As onc of thc rcncwablc cncrgy, biodicscl is cnvironmcntal, and cconomic advantagcs
catalyzed by homogcncous catalyts(s yon from tallow
characterized by excellent properties as diesel engine studics rcportcd thc biodicscl producti
fuel and can be used in compression-ignilion engines
with little or no modifications. Biodiesel can be homogencous catalyzed biodicscl production is
produccd from th transesterification rcaction of relatively fast and affords high conversion rates. it
vegetable oils or animal fats with methanol or ethanol does have some serious drawbacks, such as, at the end
lalyzed by homogeneous or heterogeneous catalysts. of the reaction, the homogcncous catalysts should bc
Beef tallow is a kind of animal fats. which is ncutralized and separated from the methyl cstr phases
usually generated from the slaughter of cattle. In and the biodiesel production should be purified b
western China. more than 0.6 million tons