| 具有Dini型条件的奇异积分算子的核的估计及应用 |
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| 引用本文： | 张东凯,冯文莉. 具有Dini型条件的奇异积分算子的核的估计及应用[J]. 河北工业科技, 2007, 24(1): 19-21 |
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| 作者姓名： | 张东凯 冯文莉 |
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| 作者单位： | 河北科技大学化学与制药工程学院,河北石家庄,050018 |
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| 摘 要： | 分析了现有醋酸甲酯精制工艺中存在的不足,提出了高纯度醋酸甲酯精制的新方案,采用盐效分离和精馏相结合的工艺来提纯醋酸甲酯,并对影响因素进行了讨论,得出了优化条件。此工艺得到的醋酸甲酯纯度可达到99.8%(质量分数)以上,能够满足工业需求。
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| 关 键 词： | 醋酸甲酯 纯度 精制 盐效应 精馏 |
| 文章编号： | 1008-1534(2007)01-0019-02 |
| 收稿时间： | 2005-10-28 |
| 修稿时间： | 2006-01-20 |
Estimation and application of kernel of singular integral operators with Dini-type condition |
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| ZHANG Dong-kai and FENG Wen-li. Estimation and application of kernel of singular integral operators with Dini-type condition[J]. Hebei Journal of Industrial Science & Technology, 2007, 24(1): 19-21 |
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| Authors: | ZHANG Dong-kai and FENG Wen-li |
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| Affiliation: | Mathematics Department,Shijiazhuang University,Shijiazhuang Hebei 050035,China;Mathematics Department,Shijiazhuang University,Shijiazhuang Hebei 050035,China |
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| Abstract: | After analyzing the shortcoming of existing techniques of refining methyl acetate,the paper combined salt-effect separation and distillation to purify methyl acetate.The influencing factors were discussed and the optimization condition was obtained.The purity of methyl acetate is 99.8%.It can satisfy industrial requirements. |
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| Keywords: | methyl acetate purity refining salt-effect distillation |
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