Sesame Oil Bleaching with Activated Rice Hull Ash
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概要
- 論文の詳細を見る
Bleaching of sesame oil with acid activated rice hull ash was investigated. Lovibond color indices of sesame oils before and after bleaching with the ash were determined to calculate the bleaching efficiency of the ash. Experimental results indicated that the ratio of rice hull ash/acid, agitation speed of activation and pH value of ash had no effect on the bleaching efficiency in the ranges of variables studied. Increase in activation temperature might increase the bleaching efficiency slightly when the temperature was low. When it was over 30°C, the efficiency remained constant. Bleaching efficiency was found to increase significantly with the ratio of rice hull ash/sesame oil. When the bleaching temperature was increased, the efficiency was found to increase slightly, reach a maximum at 120°C and then decrease. Increase in agitation speed of bleaching might increase the efficiency slightly. But it levelled off when the speed was over 80 rpm. The bleaching efficiency remained constant initially and reduced slightly with bleaching time when it was longer than 30 min.
- 社団法人 化学工学会の論文
著者
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LIN CHUN-I
Department of Chemical Engineering, National Taiwan University of Science and Technology
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Lin C‐i
National Taiwan Univ. Sci. And Technol. Taipei Twn
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Lin Chun-i
Department Of Chemical Engineering National Taiwan Institute Of Technology
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CHEN HSI-KUEI
Department of Chemical Engineering, Hwa Hsia College of Technology and Commerce
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Chen H‐k
Department Of Chemical Engineering Hwa Hsia College Of Technology And Commerce
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Chen Hsi-kuei
Department Of Chemical Engineering Hwa Hsia College Of Technology And Commerce
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LIN Shr-Ping
Department of Chemical Engineering, National Taiwan University
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Lin Shr-ping
Department Of Chemical Engineering National Taiwan University
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