棉籽混合油精炼工艺研究  

Refining process of cottonseed miscella

作　　者：张燕飞 陈运霞 宋伟光 陈治可 王建山 吕为军 

机构地区：[1]晨光生物科技集团股份有限公司,河北邯郸057250 [2]邯郸市棉籽综合开发工程技术研究中心,河北邯郸057250

出　　处：《中国油脂》2013年第2期30-33,共4页China Oils and Fats

摘　　要：以经过一蒸脱溶后的棉籽混合油(含棉籽毛油和抽提溶剂)为原料,用氢氧化钠溶液对混合油进行碱炼,然后离心、脱溶得到成品棉籽油。分别考察了碱液质量分数、超碱量、碱炼温度和碱炼时间对棉籽油精炼得率和成品油色泽的影响。经过多次实验确定了棉籽混合油碱炼的最佳条件为:碱液质量分数17.81%,超碱量0.3%(占混合油质量),碱炼温度55℃,碱炼时间1.0 h。在此条件下,棉籽油精炼得率为83.45%,色泽为Y35 R2(25.4 mm比色槽)。Cottonseed miscella desolventized by the first evaporator was refined with sodium hydroxide so- lution, and then centrifuged and desolventized to obtain the finished product. The effects of concentration of sodium hydroxide solution, excessive alkali amount, refining temperature and time on the refining yield and the colour of cottonseed oil were studied. The optimal parameters were as follows：concentration of so- dium hydroxide solution 17.81%, excessive alkali amount O. 3% （based on the mass of cottonseed miscel- la） ,refining temperature 55 ~C and time 1.0 h. Under these conditions, the refining yield of cottonseed oil was 83.45%, and colour Y and R were 35 and 2（25.4 mm colorimetric groove）.

关 键 词：棉籽油 混合油 精炼 

分 类 号：TS224.6[轻工技术与工程—粮食、油脂及植物蛋白工程] TQ644.4[轻工技术与工程—食品科学与工程]