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| Refining process for reserve rotation crude soybean oil |
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| DOI： |
| KeyWord:crude soybean oil reserve rotation oil refining |
| FundProject: |
| Author Name | Affiliation | | ZUO Qing1, CHENG Shuiyin2, ZHANG Xinping2, XU Hongchuang2 | 1.Jiangsu FAMSUN Oils & Fats Engineering Co. , Ltd. , Yangzhou 225127, Jiangsu, China
2.Sino-grain Dongguan Oils and Fats Industrial Co. , Ltd. , Dongguan 523147, Guangdong,China |
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| Abstract: |
| The crude soybean oil has been stored for 2 years that have been affected by environmental factors such as light and hot, the oxidizing reaction occurs. The stability of the crude soybean oil decreases, the acid value increases, and the peroxide value changes in stages, the colour turns to darker and the relatively stable colloid layers is formed, which increases the difficulty and consumption of refining, and the refined oil appears color and odor reversions, and the consumptions of clay and other auxiliary materials increases. Chemical refining was adopted to refine reserve rotation crude soybean oil, and the operational requirements and precautions for the refining process were elaborated and the application effects were analyzed. It was found that compared with refining reserve rotation crude soybean oil alone, refining by mixing crude leached soybean oil and reserve rotation crude oil in a ratio of 35∶ 65 could reduce the amount of auxiliary materials and refining consumption, extend the shelf life of refined product oil, and decrease refining costs. |
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