CN103435508B - N,n-二乙基甲酰胺的制备工艺及其装置 - Google Patents
N,n-二乙基甲酰胺的制备工艺及其装置 Download PDFInfo
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- CN103435508B CN103435508B CN201310357920.4A CN201310357920A CN103435508B CN 103435508 B CN103435508 B CN 103435508B CN 201310357920 A CN201310357920 A CN 201310357920A CN 103435508 B CN103435508 B CN 103435508B
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二乙胺和CO比例 | 1:1 | 1:1.2 | 1:1.5 | 1:2 | 1:2.3 | 1:2.5 |
二乙胺转化率,% | 82.3 | 87.1 | 91.8 | 97.6 | 93.1 | 96.5 |
DEF选择性,% | 95.0 | 94.7 | 94.8 | 94.7 | 95.0 | 94.9 |
DEF收率,% | 78.2 | 82.5 | 87.0 | 92.4 | 88.4 | 91.6 |
产品纯度,% | 99.96 | 99.96 | 99.96 | 99.97 | 99.96 | 99.97 |
压力 | 1.8 | 2.0 | 2.3 | 2.5 | 2.8 | 3.0 |
二乙胺转化率,% | 86.3 | 87.5 | 90.6 | 95.1 | 97.8 | 97.5 |
DEF选择性,% | 96.0 | 96.4 | 96.1 | 96.3 | 96.5 | 96.7 |
DEF收率,% | 82.8 | 84.4 | 87.1 | 91.6 | 94.4 | 94.3 |
产品纯度,% | 99.96 | 99.96 | 99.96 | 99.97 | 99.97 | 99.97 |
反应温度,℃ | 95 | 100 | 105 | 110 | 115 | 120 |
二乙胺转化率,% | 88.3 | 87.5 | 93.6 | 95.1 | 97.8 | 97.5 |
DEF选择性,% | 97.5 | 96.4 | 95.1 | 96.5 | 96.3 | 92.2 |
DEF收率,% | 86.1 | 84.4 | 89.0 | 91.8 | 94.2 | 89.9 |
产品纯度,% | 99.96 | 99.96 | 99.97 | 99.97 | 99.97 | 99.96 |
乙醇钠浓度,% | 5 | 10 | 15 | 20 | 25 |
二乙胺转化率,% | 95.1 | 95.5 | 95.2 | 97.7 | 95.0 |
DEF选择性,% | 93.3 | 94.0 | 93.5 | 96.4 | 93.1 |
DEF收率,% | 88.7 | 89.7 | 89.0 | 94.1 | 88.4 |
产品纯度,% | 99.96 | 99.96 | 99.96 | 99.97 | 99.96 |
乙醇钠与二乙胺质量比 | 1:50 | 1:100 | 1:150 | 1:200 | 1:250 | 1:300 |
二乙胺转化率,% | 98.2 | 98.3 | 96.5 | 95.6 | 90.8 | 84.5 |
DEF选择性,% | 96.7 | 96.4 | 97.0 | 96.8 | 96.8 | 96.9 |
DEF收率,% | 95.0 | 94.8 | 93.6 | 92.5 | 87.9 | 81.9 |
产品纯度,% | 99.97 | 99.97 | 99.97 | 99.97 | 99.96 | 99.96 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105330559B (zh) * | 2015-10-14 | 2017-08-08 | 宿迁新亚科技有限公司 | 一种制备电子级甲酰胺类化合物的方法 |
CN105906524A (zh) * | 2016-06-06 | 2016-08-31 | 德州市德化化工有限公司 | 连续生产n,n-二乙基甲酰胺的工业化装置及其工艺 |
CN108997156B (zh) * | 2018-08-06 | 2021-01-05 | 浙江新化化工股份有限公司 | 一种一步法连续生产n,n-二乙基甲酰胺的方法 |
CN110256273A (zh) * | 2019-07-08 | 2019-09-20 | 德州市德化化工有限公司 | 一种联产def、nef、nmf的工业化装置及工艺 |
Citations (4)
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CN1432558A (zh) * | 2002-01-18 | 2003-07-30 | 三菱丽阳株式会社 | 二烃基甲酰胺的制造方法 |
CN101050188A (zh) * | 2006-04-07 | 2007-10-10 | 山东华鲁恒升化工股份有限公司 | 一种新型二甲基甲酰胺生产装置及利用该装置的新工艺 |
CN102964262A (zh) * | 2012-11-29 | 2013-03-13 | 泉州万华世旺超纤有限责任公司 | 合成革生产中的dmf回收装置及回收方法 |
CN103012183A (zh) * | 2012-12-18 | 2013-04-03 | 王传良 | N,n-二乙基甲酰胺的制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1432558A (zh) * | 2002-01-18 | 2003-07-30 | 三菱丽阳株式会社 | 二烃基甲酰胺的制造方法 |
CN101050188A (zh) * | 2006-04-07 | 2007-10-10 | 山东华鲁恒升化工股份有限公司 | 一种新型二甲基甲酰胺生产装置及利用该装置的新工艺 |
CN102964262A (zh) * | 2012-11-29 | 2013-03-13 | 泉州万华世旺超纤有限责任公司 | 合成革生产中的dmf回收装置及回收方法 |
CN103012183A (zh) * | 2012-12-18 | 2013-04-03 | 王传良 | N,n-二乙基甲酰胺的制备方法 |
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Inventor after: Yu Fuhong Inventor after: Cui Lifeng Inventor after: Hou Zhiyang Inventor after: Wang Chuanming Inventor after: Sheng Wenguang Inventor after: Xin Zhiguo Inventor after: Wang Lijing Inventor before: Yu Fuhong Inventor before: Cui Lifeng Inventor before: Hou Zhiyang Inventor before: Wang Chuanming Inventor before: Sheng Wenguang |
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Effective date of registration: 20161229 Address after: The German city of Shandong province Dezhou City Tianqu road 253024 No. 24 Patentee after: DEYANG DEHUA CHEMICAL CO., LTD. Address before: 253024 Shandong Province, Dezhou City Tianqu Road No. 24 Patentee before: Shandong Hualu-Hengsheng Chemical Co., Ltd. |