Apparatus and method for measuring intrinsic kinetics of interface reaction

By using a centrifugal drive and a modularly designed intrinsic kinetics measurement device for interfacial reactions, the problem of the coupling effect between mass transfer and reaction rate is solved, achieving high-precision and low-cost intrinsic kinetics measurement of interfacial reactions, which is applicable to the chemical, biopharmaceutical and food industries.

CN122330367APending Publication Date: 2026-07-03CHINA UNIV OF PETROLEUM (BEIJING)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA UNIV OF PETROLEUM (BEIJING)
Filing Date
2026-04-23
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing technologies cannot effectively decouple the coupling effect between mass transfer and reaction rate, resulting in measurement results that deviate from the true intrinsic values. The experimental conditions are harsh and the equipment costs are high, making it difficult to achieve rapid and low-cost intrinsic kinetic measurements of interfacial reactions.

Method used

The reaction disk is driven by a centrifugal drive to rotate, and centrifugal force is used to form a stable parallel laminar flow, eliminating mass transfer interference caused by diffusion layer or droplet deformation. Combined with a modularly designed measuring device, it can be adapted to different reaction systems and reduce equipment maintenance costs.

Benefits of technology

It significantly improves the measurement accuracy of intrinsic kinetic parameters of interfacial reactions, meets the measurement needs of multiple fields such as chemical, biopharmaceutical, and food industries, simplifies operation, and reduces costs.

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Abstract

The application provides a measuring device and a measuring method for interfacial reaction intrinsic kinetics. The measuring device for interfacial reaction intrinsic kinetics comprises a reaction disc, the reaction disc is provided with a reaction channel, a first liquid inlet channel, a second liquid inlet channel, a first liquid outlet channel and a second liquid outlet channel, the first liquid inlet channel and the second liquid inlet channel are communicated with the inlet of the reaction channel, and the first liquid outlet channel and the second liquid outlet channel are communicated with the outlet of the reaction channel; a centrifugal driving member is connected with the reaction disc to drive the rotation of the reaction disc; a first conveying pump is used for conveying a first fluid to the first liquid inlet channel; a second conveying pump is used for conveying a second fluid to the second liquid inlet channel; a first collecting device is used for collecting the reacted first fluid; and a second collecting device is used for collecting the reacted second fluid. The measuring device for interfacial reaction intrinsic kinetics can decouple the mass transfer and the reaction rate in a heterogeneous reaction, so that the interfacial intrinsic reaction rate is obtained.
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