\nT/CSP 17-2024 Particle Technology Single-Dispersion Fine Bubble Classification

Scope

Scope: This document defines the terms and definitions of monodisperse fine bubbles and establishes their corresponding classification. This document is applicable to the application of monodisperse fine bubbles; Main technical content: Fine bubbles refer to bubbles with a diameter less than 100 micrometers. Currently, various methods for preparing fine bubbles have been proposed, including ultrasound, membrane emulsification, microfluidics, high-shear emulsification, and inkjet printing. However, the diameter distribution of fine bubbles depends on the preparation method and operating conditions. When fine bubbles are composed of bubbles with a narrower diameter distribution (better monodispersity), the controllability and repeatability of the bubble use process can be improved, and the consistency of the product can be enhanced. Due to these characteristics, monodisperse fine bubbles have broad application value in fields such as fluid mechanism research, chemical reaction control, material synthesis, environmental governance, and biological detection. There are currently no literature records on the definition and classification methods of monodisperse fine bubbles. This document defines in detail the terms, definitions, and classification of monodisperse fine bubbles.

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