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Patent Agency Ranking
公开(公告)号：US12291460B1
公开(公告)日：2025-05-06
申请号：US18717873
申请日：2022-07-28
Inventor： Zhibing Zhang , Lei Li , Haining Sun , Zheng Zhou , Fangyuan Ding , Huimin Qin , Qingdong Zhu , Quan Lu , Xiabing Li
Abstract: A reaction system for preparing soda ash and a reaction method are provided in the present invention. The reaction system includes: a carbonization tower, a reaction crystallization tower, and a first micro-interface unit. A material outlet is arranged at the bottom of the carbonization tower, and the material outlet is connected to the reaction crystallization tower. The first micro-interface unit includes a first micro-interface generator and a second micro-interface generator, the first micro-interface generator is arranged below the liquid level in the carbonization tower, the second micro-interface generator is arranged above the first micro-interface generator, and a connecting pipe is arranged between the second micro-interface generator and the first micro-interface generator. The reaction system for preparing soda ash may effectively improve the reaction efficiency of raw materials and the utilization rate of carbon dioxide while reducing the input pressure of carbon dioxide, thereby effectively reducing energy consumption.
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公开(公告)号：US12116334B1
公开(公告)日：2024-10-15
申请号：US18705067
申请日：2021-11-16
Inventor： Zhibing Zhang , Xingbang Hu , Chenfei Yao , Zheng Zhou , Lei Li
IPC: C07C27/16
CPC classification number: C07C27/16 , C07C2531/22
Abstract: 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
Inventor： Xingbang Hu , Zhibing Zhang , Chenfei Yao , Lei Li , Zheng Zhou
CPC classification number: C07C45/505 , B01J31/2273 , B01J2231/321 , B01J2531/0233 , B01J2531/827 , C07C2531/22
Abstract: 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.-
4.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
Inventor： Zhibing Zhang , Zheng Zhou , Hongzhou Tian , Lei Li , Feng Zhang , Weimin Meng , Baorong Wang , Gaodong Yang , Huaxun Luo , Guoqiang Yang , Yu Cao
IPC: B01J10/00 , B01J8/00 , B01J19/00 , B01J20/28 , C01B15/023
CPC classification number: B01J10/002 , B01J8/008 , B01J19/006 , B01J20/28054 , C01B15/023
Abstract: 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.
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公开(公告)号：US11919845B2
公开(公告)日：2024-03-05
申请号：US18276252
申请日：2021-07-30
Inventor： 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: C07C45/50
CPC classification number: C07C45/50 , C07C2523/46
Abstract: 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.
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