摘要:溶液结晶是目前avermectin工业提纯的主要工艺,也是控制产品质程中降温方式、搅拌速率和添加晶种这三个主要操作因素对avermectin结晶质量的影响,研究结果表明,当采用程序降温,搅拌速率为120r/min,在相对过饱和度S=1.2~1.4时加入晶种可以获得avermectin B1含量最高的结晶产品.
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