| 左青1，程水银2，章新平2，徐宏闯2.储备轮换大豆原油的精炼工艺[J].中国油脂,2022,47(5):.[ZUO Qing1, CHENG Shuiyin2, ZHANG Xinping2, XU Hongchuang2.Refining process for reserve rotation crude soybean oil[J].China Oils and Fats,2022,47(5):.] |
| 储备轮换大豆原油的精炼工艺 |
| Refining process for reserve rotation crude soybean oil |
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| DOI： |
| 中文关键词: 大豆原油 储备轮换油 精炼 |
| 英文关键词:crude soybean oil reserve rotation oil refining |
| 基金项目: |
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| 摘要点击次数: 495 |
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| 中文摘要: |
| 大豆原油在储存两年的过程中，受光、热等环境因素的影响发生氧化反应，稳定性下降，酸值增加，过氧化值呈阶段性变化，油色深暗，形成较稳定的胶体层，增加精炼的难度和炼耗，精炼成品油出现返色返味,白土等辅料消耗增加。采用化学精炼对储备轮换大豆原油进行精炼，对精炼工艺操作要求和注意事项进行阐述，并进行应用效果分析，发现相比单纯精炼储备轮换大豆原油，将浸出大豆原油和储备轮换大豆原油按35∶?65比例混合进行精炼，可减少辅料用量，降低炼耗，延长精炼成品油的货架期，降低精炼成本。 |
| 英文摘要: |
| 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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