Rice Bran Oil Extraction by Screw Press Method: Optimum Operating Settings, Oil Extraction Level and Press Cake Appearance

RICE SCIENCE ›› 2012, Vol. 19 ›› Issue (1): 75-78.

• 研究简报 • 上一篇

Rice Bran Oil Extraction by Screw Press Method: Optimum Operating Settings, Oil Extraction Level and Press Cake Appearance

1Department of Farm Mechanics, Faculty of Agriculture, Kasetsart University, 50 Ngam Wong Wan Rd., Chatuchak Bangkok 10900, Thailand; 2Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, 39 Muh 1, Rangsit-Nakhonnayok Rd., Klong Hok, Thanyaburi Pathum Thani 12110, Thailand

出版日期:2012-03-28 发布日期:2012-03-01
通讯作者: Supakit SAYASOONTHORN
基金资助:
The authors acknowledge the Thailand Research Fund (TRF) for their financial support.

摘要/Abstract

摘要： The appearance of rice bran ‘cake’ or discharge from a screw press corresponds to the level of oil produced in the extraction process. The relationships between operating settings, oil extraction level and cake appearance were studied. Cake characteristics reliably indicate the expected oil recovery extraction level. These conclusions applyed to both Chainat 1 rice bran and parboiled rice bran. Variables were the speed of the screw press (set at five levels from 8.5 to 19.8 r/min) and corresponding clearance distances between the screw and barrel (set between 1.0 and 1.9 cm). Results showed that the maximum levels of extraction were 4.17% for the rice bran and 8.20% for the parboiled rice bran. At the maximum extraction level, the apparatus continuously discharged cake that were hard, crispy, flaky, shiny and polished on one side but dull and coarse on the other.

Supakit SAYASOONTHORN1, Sudsaisin KAEWRUENG1, Pannatorn PATHARASATHAPORNKUL. Rice Bran Oil Extraction by Screw Press Method: Optimum Operating Settings, Oil Extraction Level and Press Cake Appearance[J]. RICE SCIENCE, 2012, 19(1): 75-78.

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Rice Bran Oil Extraction by Screw Press Method: Optimum Operating Settings, Oil Extraction Level and Press Cake Appearance

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