Paper Title:
Study on the Decolorization of Biodiesel from Waste Cooking Oil
  Abstract

Biodiesel has become more attractive recently because of its environmental benefits, and the fact that it is derived from renewable resources. Recently, the acidic oil and waste cooking oil were the main resources for the biodiesel production, due to the economical and environmental consideration. However, the product obtained from the transesterification with dark colour. Activated carbon (ACN), activated clay (ACY), activated bleaching earth (ABE), attapulgite (ATE) were employed to refine the undecolored biodiesel. Among all studied decolorants, activated clay exhibited higher activity and more economically competitive. In addition, decoloring process of undecolored biodiesel by activated clay was performed; the optimum conditions were obtained as decoloring temperature 60°C, time 60 min and dosage of activated clay 3 wt. % at atmospheric pressure. Besides, the water content of biodiesel should be below 1 wt. % while ACY was used as decolorant. This paper compared contents and features of decolorization by ACY and rectification under vacuum. The results indicated that higher decolorization ratio(DR) and better quality product will be achieved through rectification, while the decolorization by ACY method should be an proper choice if the biodiesel solded by mixing with diesel fuel.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chaper 10: Energy Security and Clean Use
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
3781-3787
DOI
10.4028/www.scientific.net/AMR.347-353.3781
Citation
G. R. Liu, G. Y. Chen, "Study on the Decolorization of Biodiesel from Waste Cooking Oil", Advanced Materials Research, Vols. 347-353, pp. 3781-3787, 2012
Online since
October 2011
Export
Price
$32.00
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