摘要
介绍了二硝基甲苯液相加氢还原制备二氨基甲苯的生产工艺 ,催化剂采用含 0 1%～ 0 3%骨架镍的浆状催化剂 ,反应温度为 10 0℃ ,氢气压力在 15～ 2 0MPa,所得二氨基甲苯的纯度为 99%。还介绍了带复合式搅拌器的加氢反应釜、环式加氢反应器、循环反应器、卧式连续加氢反应器和三相固定床反应器。
The liquid hydrogenation reduction technologies for diaminotoluene production using dinitrotoluene as raw material are introduced. The reaction is carried out with 0 1%～0 3% dosage of pasty skeleton nickel as catalyst, at reaction temperature of 100℃ and feeding hydrogen with pressure of 15～20 MPa, the purity of diaminotoluene can reach 99%. The different types of reactor for hydrogenation such as reactor with complex agitator, ring type reactor, circulation reactor, horizontal continual hydrogenation reactor and three phase fixed bed reactor are also reviewed.
出处
《精细与专用化学品》
CAS
2004年第24期1-3,共3页
Fine and Specialty Chemicals
