详细信息

过氧化氢法合成丁酮连氮的工艺研究    

Synthesis of Methyl Ethyl Ketazine by Hydrogen Peroxide Method

文献类型:期刊文献

中文题名:过氧化氢法合成丁酮连氮的工艺研究

英文题名:Synthesis of Methyl Ethyl Ketazine by Hydrogen Peroxide Method

作者:顾春思[1];王涛[1];田恒水[1]

机构:[1]华东理工大学化工学院

年份:2018

卷号:40

期号:1

起止页码:89

中文期刊名:化学试剂

外文期刊名:Chemical Reagents

收录:CSTPCD;;北大核心:【北大核心2017】;

语种:中文

中文关键词:丁酮;过氧化氢;丁酮连氮;甲酰胺

外文关键词:methyl ethyl ketone ; hydrogen peroxide ; methyl ethyl ketazine ; formamide

摘要:采用甲酰胺催化丁酮(MEK)、氨气和过氧化氢合成丁酮连氮。通过考察氨气通入总量、氨气流速、反应时间、助催化剂种类、催化剂用量及初始水量对丁酮连氮合成反应的影响,得到最佳的合成工艺条件:氨气通入总量为V(NH3)∶n(MEK)=18 000(mL)∶1(mol),氨气流速u(NH3)=135 mL/min,反应时间t=5 h,甲酰胺用量为n(甲酰胺)∶n(MEK)=0.8,初始水量为n(初始水量)∶n(MEK)=1.6。在该工艺条件下,丁酮的转化率为91.87%,丁酮连氮的选择性和收率分别为94.78%和87.08%。
Methyl ethyl ketazine was synthesized by methyl ethyl ketone(MEK),ammonia and hydrogen peroxide,with formamide as catalyst.The effects of total ammonia,ammonia flow rate,reaction time,catalyst type,catalyst dosage and initial water content on the reaction were investigated.The best synthesis conditions were as follows: V(NH3) ∶ n(MEK) = 18 000(mL) ∶ 1(mol),u(NH3) = 135 mL/min,t= 5 h,n(formamide) ∶n(MEK) = 0.8,n(initial water) ∶n(MEK) = 1.6.Under those synthesis conditions,the conversion of MEK was 91.87%,the selectivity and the yield of methyl ethyl ketazine were 94.87% and 87.08%,respectively.

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