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    • 4. 发明公开
    • 1,1,1,3,3,3-HEXAFLUOROPROPANE PURIFICATION WITH PHOTOCHLORINATION EQUIPMENT
    • 光氯化设备1,1,1,3,3,3-六氟丙烷净化
    • EP1945599A2
    • 2008-07-23
    • EP06837117.8
    • 2006-11-08
    • Honeywell International Inc.
    • CHIU, YuonDAVID, MerkelHSUEHSUNG, Tung
    • C07C17/395C07C19/08
    • C07C17/38C07C17/395C07C19/08
    • A continuous, vapor phase method for purifying a crude mixture of 1,1,1,3,3,3-hexafluoropropane and one or more unsaturated fluorocarbon compounds, the process comprising: a) providing a photochlorinator vessel comprising : 1) a UV lamp unit comprising a UV lamp located in a transparent inner well, the transparent inner well being located within a transparent outer well, the outer well being provided with material for cooling walls of the inner and outer wells; the inner well and the outer well defining separate chambers isolated from each other; and 2) a reaction vessel into which the UV lamp unit has been inserted; b) introducing into the reaction vessel a gaseous mixture of Cb and a distillation inseparable mixture of 1,1,1,3,3,3-hexafluoropropane and one or more unsaturated fluorocarbon compdunds; c) reacting, in the gaseous state and in the presence of UV light from the photochlorinator, the mixture with CI2 with the distillation inseparable mixture of 1,1,1,3,3,3-hexafluoropropane and one or more unsaturated compounds to saturate unsaturated fluorocarbons into a reacted mixture, and d) separating a purified 1, 1,1, 3,3, 3-hexafluoroporpane product containing less than 1000 ppm, most preferably less than 100 ppm unsaturated fluorocarbons.
    • 一种用于纯化1,1,1,3,3,3-六氟丙烷和一种或多种不饱和氟碳化合物的粗混合物的连续气相法,该方法包括:a)提供光氯化器容器,该容器包括:1)UV灯 包括位于透明内井中的UV灯,所述透明内井位于透明外井内,所述外井设置有用于冷却所述内井和外井的壁的材料; 内井和外井限定了彼此隔离的分隔室; 和2)其中已经插入UV灯单元的反应容器; b)将Cb和1,1,1,3,3,3-六氟丙烷和一种或多种不饱和碳氟化合物组分的蒸馏不可分离混合物的气体混合物引入反应器中; c)在气态和来自光氯化器的UV光存在下,使混合物与Cl 2与1,1,1,3,3,3-六氟丙烷和一种或多种不饱和化合物的蒸馏不可分离的混合物反应以饱和 将不饱和碳氟化合物引入反应混合物中,和d)分离含有少于1000ppm,最优选少于100ppm不饱和碳氟化合物的纯化1,1,1,3,3,3-六氟丙烷产物。