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化工学报  2014 

四氢呋喃和一氟二氯乙烷水合物颗粒聚结特性

DOI: 10.3969/j.issn.0438-1157.2014.06.014, PP. 2049-2055

Keywords: 水合物,聚结,粒度分布,四氢呋喃,一氟二氯乙烷

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Abstract:

实验研究了四氢呋喃(THF)水合物和一氟二氯乙烷(HCFC-141b)水合物颗粒聚结特性,将实验得到的水合物颗粒聚结粒度分布(PSD)与正态分布、对数正态分布、伽马分布、威布尔分布拟合曲线对比,探讨了初始四氢呋喃溶液和一氟二氯乙烷溶液浓度以及搅拌速度对水合物颗粒聚结的影响,并对四氢呋喃水合物和一氟二氯乙烷水合物颗粒特性进行了对比。结果表明,四氢呋喃水合物和一氟二氯乙烷水合物颗粒聚结粒径符合对数正态分布;初始溶液浓度越低、搅拌速度越大,水合物颗粒聚结粒径越小,可以起到防治水合物颗粒聚结的作用;四氢呋喃水合物颗粒粒径是一氟二氯乙烷水合物颗粒粒径的1.3倍左右,从成浆输送的角度来说,一氟二氯乙烷水合物颗粒更易于在管道中输送。

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