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本文开展了2-甲基-4-(2,6,6-三甲基-1-环己烯-1-基)-2-丁烯醛与β-紫罗兰酮的结晶分离研究。筛选了结晶溶剂及其使用量,确定了晶种加入量、晶种合适的投加温度、养晶时间以及养晶温度关键工艺参数。
In this paper, the crystal separation of 2-methyl-4- (2,6,6-trimethyl-1-cyclohexen-1-yl) -2-butenal and β-ionone has been studied. The selection of the crystallization solvent and the amount of its use, the determination of the amount of seed added, seed suitable temperature, the time of raising the crystal and the key process parameters of crystal temperature.