Using technique of physical refining to remove FFA from the crude rice bran oil with high acid value significantly lowers the oil loss.
利用物理精炼技术对高酸价米糠原油进行脱酸，使油脂损耗显著降低。
The crude rice bran oil with high acid value should be refined with physical refining, including degumming, bleaching, de-acidification, dewaxing, defatting.
米糠浸出所得到的毛糠油为一种高酸值毛油，采用物理精炼工艺在提高油脂精炼率和经济效益方面具有明显的优势。
The research of furfural refining adding denitrogenation agents by the method of combining physical extraction and chemical reaction has been done.
在糠醛精制过程中添加脱氮组分，采用物理抽提与化学反应相结合的方法对模拟基础油进行脱碱氮研究。
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