-
公开(公告)号：US12116334B1
公开(公告)日：2024-10-15
申请号：US18705067
申请日：2021-11-16
发明人： Zhibing Zhang , Xingbang Hu , Chenfei Yao , Zheng Zhou , Lei Li
IPC分类号： C07C27/16
CPC分类号： C07C27/16 , C07C2531/22
摘要： Provided in the present invention is an iridium-based catalyst, which is characterized in that the chemical structural formula of the iridium-based catalyst is:
wherein Ph is a phenyl, R is a methyl or an ethyl, and X is one or more of CH3CO2, NO3, Cl, BF4, PF6 and SbF6. In the present invention, a rhodium-based catalyst in the prior art is replaced with the iridium-based catalyst, such that the reaction cost is reduced, and the yield of reactants is increased.-
公开(公告)号：US12054454B1
公开(公告)日：2024-08-06
申请号：US18682658
申请日：2021-11-16
发明人： Xingbang Hu , Zhibing Zhang , Chenfei Yao , Lei Li , Zheng Zhou
CPC分类号： C07C45/505 , B01J31/2273 , B01J2231/321 , B01J2531/0233 , B01J2531/827 , C07C2531/22
摘要： The present invention discloses a method for catalyzing olefin carbonylation, including the following steps: using cyclic alkylcarbene iridium as a catalyst and an olefin as a raw material to carry out carbonylation reaction to generate aldehydes, wherein a structural formula of the cyclic alkylcarbene iridium is as follows:
wherein Dipp is 2,6-diisopropylbenzene; R1 and R2 are methyl or ethyl; X is Cl, Br, CH3CO2, NO3, BF4, PF6 or SbF6; wherein the olefin comprises one or more of ethylene, propylene, butylene and higher carbon olefins. According to the method for catalyzing olefin carbonylation of the present invention, by adopting an iridium catalyst, the catalytic activity is good, reaction energy consumption is reduced, and reaction temperature is fully lowered.-
3.发明授权公开(公告)号：US12090458B2
公开(公告)日：2024-09-17
申请号：US18575304
申请日：2021-07-30
发明人： Zhibing Zhang , Zheng Zhou , Hongzhou Tian , Lei Li , Feng Zhang , Weimin Meng , Baorong Wang , Gaodong Yang , Huaxun Luo , Guoqiang Yang , Yu Cao
IPC分类号： B01J10/00 , B01J8/00 , B01J19/00 , B01J20/28 , C01B15/023
CPC分类号： B01J10/002 , B01J8/008 , B01J19/006 , B01J20/28054 , C01B15/023
摘要： The invention provides a micro-interface enhanced oxidation system and an oxidation method for preparing hydrogen peroxide, wherein the micro-interface enhanced oxidation system includes: an oxidation reactor, wherein a top portion of a side surface is provided with a liquid phase pipeline for delivering hydrogenated anthraquinone, and a bottom portion of the side surface is provided with a gas phase pipeline for delivering air; and a liquid distributor, a packing section, a seal pan and a hybrid micro-interface unit that are arranged in order from top to bottom are arranged in the oxidation reactor, wherein the hybrid micro-interface unit comprises a upper-mounted micro-interface generator and a lower-mounted micro-interface generator that are communicated with each other up and down, and the hydrogenated anthraquinone delivered in goes down in turn until being mixed with the air in the hybrid micro-interfacial unit to be dispersed and crushed after being distributed through the liquid distributor.
-
公开(公告)号：US11919845B2
公开(公告)日：2024-03-05
申请号：US18276252
申请日：2021-07-30
发明人： Zhibing Zhang , Zheng Zhou , Lei Li , Feng Zhang , Weimin Meng , Baorong Wang , Gaodong Yang , Huaxun Luo , Guoqiang Yang , Hongzhou Tian , Yu Cao , Jia Liu
IPC分类号： C07C45/50
CPC分类号： C07C45/50 , C07C2523/46
摘要： The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials. The reaction system of the present invention has low energy consumption, low cost, high safety, low reaction temperature and low reaction pressure, few side reactions and high yield of n-butyraldehyde, which is worthy of wide popularization and application.
-
-
-
搜索结果
4 条记录 (耗时 0.015 秒)
