| 萃取剂加水对C_(10～14)异构烷烃和环烷烃相对挥发度的影响 |
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| 引用本文： | 刘海.萃取剂加水对C_(10～14)异构烷烃和环烷烃相对挥发度的影响[J].石油化工,2011,40(8):861-864. |
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| 作者姓名： | 刘海 |
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| 作者单位： | 北方民族大学化学与化学工程学院,宁夏银川,750021 |
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| 基金项目： | 北方民族大学国家民委化工技术重点开放实验室资助项目(2011SY12) |
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| 摘 要： | 采用自制的汽液平衡装置,测定了溶剂油D60(主要成分为C10~14环烷烃和异构烷烃)中的异构烷烃与环烷烃的相对挥发度(α12),在加入环丁砜萃取剂或环丁砜-三甘醇复合萃取剂的条件下,考察了水对α12的影响。实验结果表明,在环丁砜萃取剂中加入质量分数为3%(以萃取剂和溶剂油D60总质量计)的水时,α12可提高0.020,达到1.668,汽液平衡温度降至190℃;在环丁砜-三甘醇复合萃取剂中加入质量分数为5%的水时,α12提高了0.037,达到1.779,汽液平衡温度降至170℃。
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| 关 键 词： | 萃取剂 水 异构烷烃 环烷烃 相对挥发度 |
Effect of Addition of Water to Entrainer on Relative Volatility of C10_14 Isoparaffins and Naphthenes |
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| Liu Hai.Effect of Addition of Water to Entrainer on Relative Volatility of C10_14 Isoparaffins and Naphthenes[J].Petrochemical Technology,2011,40(8):861-864. |
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| Authors: | Liu Hai |
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| Affiliation: | Liu Hai(College of Chemistry and Chemical Engineering,Beifang University of Nationalities,Yinchuan Ningxia 750021,China) |
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| Abstract: | The relative volatility(α12)of isoparaffins and naphthenes in the solvent naphtha D60 consisted of C10-14 naphthenes and isoparaffins was determined in a set of vapor-liquid equilibrium apparatus.The effect addition of water to sulfolane or sulfolane+triethylene glycol used as the entrainer on α12 was investigated.The result showed that α12 could increased by 0.020 to 1.668,and the vapor-liquid equilibrium temperature(Te) would drop to 190 ℃ after water with mass fraction 3%(based on total mass in the entrainer and solvent naphtha D60,the same below) was added into sulfolane.When water with mass fraction 5% was add into sulfolane+triethylene glycol,α12 increased by 0.037 to 1.779,and the Te dropped to 170 ℃. |
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| Keywords: | entrainer water isoparaffin naphthene relative volatility |
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