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Recovery and Evaluation of Residual Oil in Spent Bleaching Clay Used in Soybean Oil Refining

Authors
Hajar Shekarchizadeh,Amir Hossein Goli, Hadieh Daghighi
Publication date
2011
Journal name
20th National Congress on Food Technology

 Abstract

Bleaching of crude oil with bleaching clay is one of the steps in preparing of edible soybean oil. After separation of bleaching clay by filteration, Due to its high adsorption, about 20 to 40 percent of the oil remains, which causes a lot of oil waste. The objective of this study was to extraction and evaluation of residual soybean oil in spent bleaching clay. In order to investigate the effect of gas type used during passage of oil through filter, flow of air and nitrogen gas was used to supply pressure to remove more oil from clay. Residual oil content was determined by Soxhlet method and some of the physicochemical properties of extracted oils were investigated. Finally, the fatty acids profile of studied oils was determined by gas chromatography (GC)

 

 

 

Conference Papers
Month/Season: 
November
Year: 
2011

تحت نظارت وف ایرانی

Recovery and Evaluation of Residual Oil in Spent Bleaching Clay Used in Soybean Oil Refining | Dr. Hajar Shekarchizadeh

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تحت نظارت وف ایرانی