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Cold Flow Properties of Soybean Oil and Its Biodiesel(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年02期
Page:
314-316
Research Field:
Publishing date:

Info

Title:
Cold Flow Properties of Soybean Oil and Its Biodiesel
Author(s):
SUN Yu-qiu; CHEN Bo-shui; FANG Jian-hua; WANG Jiu
Logistical Engineering University，Chongqing 400016，China
Keywords:
Soybean oil; Biodiesel; Low temperature flow; Thermal analysis
PACS:
TK421.6
DOI:
10.11861/j.issn.1000-9841.2009.02.0314
Abstract:
Cold filter plugging point，solidifying point and viscosity of a soybean oil and soybean biodiesel were measured by a multifunctional low temperature instrument.The solidification mechanisms were investigated by a polarized microscope and a differential scanning calorimeter.The results indicate that viscosity and cold filter plugging point of soybean biodiesel reduce considerably and solidifying point increases slightly compared with those of soybean vegetable oil.At low temperatures，the increase of viscosity and the formation of thick amorphous glass-like materials jointly impair the fluidity of soybean oil，while for soybean biodiesel，the production of a spongy waxy crystal matrix wraps up liquid biodiesel and therefore inhibits its fluidity.

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Last Update: 2014-10-04