公开(公告)号：US12090458B2

公开(公告)日：2024-09-17

申请号：US18575304

申请日：2021-07-30

Applicant: NANJING INSTITUTE OF MICROINTERFACE TECHNOLOGY CO., LTD

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.

公开(公告)号：US11919845B2

公开(公告)日：2024-03-05

申请号：US18276252

申请日：2021-07-30

Applicant: NANJING INSTITUTE OF MICROINTERFACE TECHNOLOGY CO., LTD

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.