Process intensification is a cornerstone to achieve a significant reduction in energy consumption and CO2 emissions in the chemical industry. In this context, a monolithic membrane reactor combining homogeneous catalytic gas-phase hydroformylation of but-1-ene with in situ product removal is here presented. The homogeneous supported ionic liquid-phase (SILP) catalyst consists of a Rh-biphephos complex
过程强化是实现
化学工业中能耗和CO 2排放量显着减少的基石。在本文中,本文提出了一种整体式膜反应器,其结合了丁-1-烯的均相催化气相加氢甲酰化和原位产物去除。均相负载型离子液相(SILP)催化剂由溶解在1-乙基-3-甲基
咪唑鎓双(三
氟甲基磺酰基)
酰亚胺[C 2 C 1 Im] [NTf 2并固定在介孔碳化
硅整料上。所得整料具有催化活性,并且对线性醛的形成具有选择性,但是醛产物和
离子液体中高沸点物的积累导致催化剂失活缓慢。当双(2,2,6,6-四甲基-4-
哌啶基)
癸二酸酯用作替代溶剂时,这种积累被抑制,其中仅发生少量的醛积累和醛醇形成。与来自反应器的截留气体相比,整料的聚二甲基
硅氧烷(P
DMS)膜涂层将渗透气体中的醛-烯烃比率提高了2.2的富集系数,从而简化了进一步的下游处理。装有SILP或SLP催化剂的整体式膜反应器具有可扩展的,