摘要
根据实验测取的对二甲苯氧化反应动力学关系与数据,建立了Amoco工业氧化反应器和冷凝器的全混流模型,用以考察反应器特性。计算表明,进料m(AcOH)/m(PX)增加、催化剂用量增加、含水量减少有利于提高TA收率和反应转化率,降低4 CBA液相浓度,但副反应加剧。根据计算结果给出了优化了的Amoco工艺条件:m(AcOH)/m(PX)=3～3.5、进口催化剂w(Co)=(300～350)×10-6、w(H2O)=13%～15%。
Based on the kinetics previous obtained, a CSTR model of Amoco process containing the material balance, the heat balance and the phase equilibrium was employed to simulate the reactor. The computation results show that the yield of TA, the conversion of PX are increased and the w( 4CBA) in the solution is decreased when the m(AcOH)/m(PX) and the mass fraction of catalyst are increased respectively and the mass fraction of water is decreased, but the side reaction is increased simultaneously. The optimized m(AcOH)/m(PX) is 3～3.5,the w( Co) is (300～350)×10-6and the mass fraction of water is 13%～15%.
出处
《聚酯工业》
CAS
2003年第4期12-17,共6页
Polyester Industry
基金
国家自然科学基金项目(20076039)
中国石油化工股份公司资助项目(X500029)。
