| 葡萄糖醛酸内酯结晶过程研究 |
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| 引用本文： | 赵晓昱,沙作良,朱亮.葡萄糖醛酸内酯结晶过程研究[J].天津轻工业学院学报,2011(3):20-23. |
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| 作者姓名： | 赵晓昱 沙作良 朱亮 |
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| 作者单位： | 天津市海洋资源与化学重点实验室,天津科技大学海洋科学与工程学院,天津300457 |
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| 基金项目： | 天津科技大学引进人才科研启动基金资助项目（20090425） |
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| 摘 要： | 采用静态平衡法测定葡萄糖醛酸内酯在水中4～50℃下的溶解度;采用激光光强分析法,测定在不同降温速率下葡萄糖醛酸内酯在水溶液中的介稳区,降温速率为15,℃/h时,过冷度约为10,℃;降温速率为5,℃/h时,过冷度约为5,℃.在不同温度下,葡萄糖醛酸内酯溶解度及其温度敏感性存在差异,葡萄糖醛酸内酯的介稳区宽度随着降温速率的改变而不同,降温越快,介稳区越宽.采用MSMPR稳态法建立了葡萄糖醛酸内酯在水中的结晶动力学模型：成核速率B0=2.53exp（-2.8 1×10^4/RT）S^0.99MT^1.45,R=0.92;生长速率G=2.80×10^-7 exp（-2.96/RT）S^1.42,R=0.93.
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| 关 键 词： | 葡萄糖醛酸内酯 溶解度 介稳区 结晶动力学 |
Study on Crystallization Process of D-glucurono-1,4-lactone |
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| ZHAO Xiao-yu,SHA Zuo-liang,ZHU Liang.Study on Crystallization Process of D-glucurono-1,4-lactone[J].Journal of Tianjin University of Light Industry,2011(3):20-23. |
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| Authors: | ZHAO Xiao-yu SHA Zuo-liang ZHU Liang |
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| Affiliation: | (Tianjin Key Laboratory of Marine Resource and Chemistry,College of Marine Science and Engineering,Tianjin University of Science ＆ Technology,Tianjin 300457,China) |
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| Abstract: | The solubility of D-glucurono-1,4-lactone in water from 4℃ to 50,℃ was measured by balance method.The metastable zone of D-glucurono-1,4-lactone in water with different cooling rate was measured by dynamic method using laser.The undercooling was about 10,℃ under cooling rate of 15,℃/ht,he undercooling was about 5,℃ under cooling rate of 5,℃/h.The solubility and its temperature sensitivity is visible in different temperatures.Kinetics of the MSMPR crystalli-zation was researched.Nuclear and growth rate was corrected.And the model of crystallization kinetics of D-glucurono-1,4-lactone as follow：Model of nucleation rate B0=2.53exp（-2.8 1 ×10^4 / RT）S^ 0.99MT^1.45,R=0.92;Model of growth rate G=2.80 × 10^-7 exp（-2.96/ RT） S^1.42,R=0.93. |
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| Keywords: | D-glucurono-14 -lactone solubility metastable zone kinetics of crystallization |
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