公开(公告)号：US09186599B2

公开(公告)日：2015-11-17

申请号：US13235427

申请日：2011-09-18

申请人： Maria Guixa Guardia ,  Rolf Pinkos ,  Nadja Pollmer ,  Wolf-Steffen Weissker ,  Hugues Vandenmersch

发明人： Maria Guixa Guardia ,  Rolf Pinkos ,  Nadja Pollmer ,  Wolf-Steffen Weissker ,  Hugues Vandenmersch

IPC分类号： C07D307/00 ,  B01D3/14 ,  B01D3/36 ,  C07D307/36

CPC分类号： B01D3/143 ,  B01D3/36 ,  C07D307/36

摘要： A process which isolates tetrahydrofuran from a stream of tetrahydrofuran, alkanol and high boilers, by: (a) separating off a first stream of tetrahydrofuran and alkanol as azeotrope in a first distillation stage; (b) feeding part of the first stream into a reactor for esterifying maleic anhydride, giving a second stream of tetrahydrofuran and monoalkyl maleate; (c) separating the second stream into a third stream of monoalkyl maleate and a fourth stream of tetrahydrofuran in a second distillation stage; (d) feeding the fourth stream of tetrahydrofuran from the second distillation stage and the part of the first stream from (a) which is not fed to the reactor into a third distillation stage to obtain a product stream of tetrahydrofuran and a sixth stream of tetrahydrofuran and alkanol; (e) recirculating the sixth stream from the third distillation stage into the first distillation stage or the reactor in (b).

摘要翻译： 通过以下步骤分离四氢呋喃与四氢呋喃，烷醇和高沸点物流的方法：（a）在第一蒸馏阶段中分离第一流的四氢呋喃和链烷醇作为共沸物; （b）将第一流的一部分进料到用于酯化马来酸酐的反应器中，得到第二股四氢呋喃和马来酸单烷基酯; （c）在第二蒸馏阶段将第二物流分离成马来酸单烷基酯和第四四氢呋喃流; （d）将来自第二蒸馏阶段的第四个四氢呋喃流和来自（a）的未进料到反应器中的第一个物流部分进入第三个蒸馏阶段以获得四氢呋喃的产物流和第六个四氢呋喃流 和链烷醇; （e）将第六流从第三蒸馏段再循环到第一蒸馏阶段或（b）中的反应器中。

公开(公告)号：US20120073953A1

公开(公告)日：2012-03-29

申请号：US13235427

申请日：2011-09-18

申请人： Maria GUIXA GUARDIA ,  Rolf Pinkos ,  Nadja Pollmer ,  Wolf-Steffen Weissker ,  Hugues Vandenmersch

发明人： Maria GUIXA GUARDIA ,  Rolf Pinkos ,  Nadja Pollmer ,  Wolf-Steffen Weissker ,  Hugues Vandenmersch

IPC分类号： B01D3/36

CPC分类号： B01D3/143 ,  B01D3/36 ,  C07D307/36

摘要： A process which isolates tetrahydrofuran from a stream of tetrahydrofuran, alkanol and high boilers, by: (a) separating off a first stream of tetrahydrofuran and alkanol as azeotrope in a first distillation stage; (b) feeding part of the first stream into a reactor for esterifying maleic anhydride, giving a second stream of tetrahydrofuran and monoalkyl maleate; (c) separating the second stream into a third stream of monoalkyl maleate and a fourth stream of tetrahydrofuran in a second distillation stage; (d) feeding the fourth stream of tetrahydrofuran from the second distillation stage and the part of the first stream from (a) which is not fed to the reactor into a third distillation stage to obtain a product stream of tetrahydrofuran and a sixth stream of tetrahydrofuran and alkanol; (e) recirculating the sixth stream from the third distillation stage into the first distillation stage or the reactor in (b).

摘要翻译： 通过以下步骤分离四氢呋喃与四氢呋喃，烷醇和高沸点物流的方法：（a）在第一蒸馏阶段中分离第一流的四氢呋喃和链烷醇作为共沸物; （b）将第一流的一部分进料到用于酯化马来酸酐的反应器中，得到第二股四氢呋喃和马来酸单烷基酯; （c）在第二蒸馏阶段将第二物流分离成马来酸单烷基酯和第四四氢呋喃流; （d）将来自第二蒸馏阶段的第四个四氢呋喃流和来自（a）的未进料到反应器的第一个物流部分进入第三个蒸馏阶段以获得四氢呋喃的产物流和第六个四氢呋喃流 和链烷醇; （e）将第六流从第三蒸馏段再循环到第一蒸馏阶段或（b）中的反应器中。

公开(公告)号：US20120071692A1

公开(公告)日：2012-03-22

申请号：US13234328

申请日：2011-09-16

申请人： SEBASTIAN AHRENS ,  Christoph Mueller ,  Axel Paul ,  Martin Ernst ,  Nadja Pollmer ,  Johann-Peter Melder ,  Thomas Heidemann ,  Joachim-Thierry Anders ,  Bram Willem Hoffer

发明人： SEBASTIAN AHRENS ,  Christoph Mueller ,  Axel Paul ,  Martin Ernst ,  Nadja Pollmer ,  Johann-Peter Melder ,  Thomas Heidemann ,  Joachim-Thierry Anders ,  Bram Willem Hoffer

IPC分类号： C07C209/18 ,  B01J21/06

CPC分类号： C07C209/18 ,  B01J21/066 ,  B01J23/44 ,  B01J35/002 ,  B01J35/026 ,  B01J35/08 ,  B01J35/1014 ,  B01J35/1038 ,  B01J37/0063 ,  B01J37/0072 ,  B01J37/0201 ,  Y02P20/582 ,  C07C211/45

摘要： A process for preparing an aromatic amine by reacting a corresponding aromatic alcohol with an aminating agent selected from the group consisting of ammonia, primary amines and secondary amines, in the presence of hydrogen and a catalyst molding, at a temperature of from 60-300°. The catalyst molding comprises Zr, Pd and Pt and has an annular tablet form with an external diameter in the range from 2-6 mm, a height in the range from 1-4 mm and an internal diameter of from 1-5 mm or a topologically equivalent form with the same volume. Catalyst moldings comprising Zr, Pd and Pt are also provided. The catalyst molding has an annular tablet form with an external diameter in the range from 3-6 mm, a height in the range from 1-4 mm and an internal diameter of from 2-5 mm or a topologically equivalent form.

摘要翻译： 通过使相应的芳族醇与选自氨，伯胺和仲胺的胺化剂在氢和催化剂模塑的存在下，在60-300℃的温度下反应制备芳族胺的方法 。 催化剂成型包括Zr，Pd和Pt，并且具有环形片形式，其外径为2-6mm，高度为1-4mm，内径为1-5mm，或 具有相同体积的拓扑等效形式。 还提供了包含Zr，Pd和Pt的催化剂模制品。 催化剂成型具有环形片形式，其外径为3-6mm，高度为1-4mm，内径为2-5mm或拓扑等效形式。