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    MICRO-INTERFACE ENHANCED OXIDATION SYSTEM AND OXIDATION METHOD FOR PREPARING HYDROGEN PEROXIDE
    1.
    发明公开
    MICRO-INTERFACE ENHANCED OXIDATION SYSTEM AND OXIDATION METHOD FOR PREPARING HYDROGEN PEROXIDE 审中-实审

    公开(公告)号：EP4371934A1

    公开(公告)日：2024-05-22

    申请号：EP21949806.0

    申请日：2021-07-30

    申请人： Nanjing Institute of Microinterface Technology Co., Ltd

    发明人： ZHANG, Zhibing ,  ZHOU, Zheng ,  TIAN, Hongzhou ,  LI, Lei ,  ZHANG, Feng ,  MENG, Weimin ,  WANG, Baorong ,  YANG, Gaodong ,  LUO, Huaxun ,  YANG, Guoqiang ,  CAO, Yu

    IPC分类号： C01B15/023 ,  B01J8/00

    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 of the oxidation reactor is provided with a liquid phase pipeline for delivering hydrogenated anthraquinone, and a bottom portion of the side surface of the oxidation reactor 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. By adopting the micro-interface enhanced oxidation system of the present invention, the utilization rate of oxygen can be improved, and the occupied area is small, and the operation is simple.

    METHOD FOR EVALUATING MICROBUBBLE ENHANCEMENT IN SYSTEM FOR PREPARING HYDROGEN PEROXIDE BY MEANS OF ANTHRAQUINONE PROCESS
    2.
    发明公开
    METHOD FOR EVALUATING MICROBUBBLE ENHANCEMENT IN SYSTEM FOR PREPARING HYDROGEN PEROXIDE BY MEANS OF ANTHRAQUINONE PROCESS 审中-实审

    公开(公告)号：EP4431939A1

    公开(公告)日：2024-09-18

    申请号：EP22888879.8

    申请日：2022-07-01

    申请人： Nanjing Institute of Microinterface Technology Co., Ltd

    发明人： ZHANG, Zhibing ,  ZHOU, Zheng ,  ZHANG, Feng ,  LI, Lei ,  TIAN, Hongzhou ,  WEI, Gelin ,  LU, Wenjun ,  LI, Xiabing ,  LI, Yongqiang

    IPC分类号： G01N33/00 ,  C01B15/023

    CPC分类号： B01J10/002 ,  C01B15/023

    摘要： The invention provides an evaluation method for micro-bubble strengthening in a hydrogen peroxide system prepared by anthraquinone method, including the following steps: (a) establishing an oxidation reaction equation; (b) constructing a macroscopic reaction kinetic equation of reaction gas; (c) constructing a mathematical expression of an oxygen reaction enhancement factor EB; (d) constructing the calculation method of the concentration of each reaction components in the liquid phase, and calculating the concentration of each reaction component in the liquid phase. The present invention discusses the influence of bubble size on gas-liquid phase interface area, volume mass transfer coefficient and macroscopic reaction rate by constructing a structure-effect controlled mathematical model of a hydrogen peroxide oxidation reaction system prepared by anthraquinone method and evaluates the strengthening effect of micro-interface oxidation reaction. It provides a basis for the design and operation of micro-interface reaction strengthening reactors. The reactor designed by the evaluation method of the present invention can solve the problem of uneven gas-liquid distribution and enhance mass transfer at the same time, thereby maximizing the space-time yield and realizing the micro-interface economics of reaction strengthening technology.