ISO 20480-1:2017/Amd 1:2024

Overview

ISO 20480-1:2017/Amd 1:2024 is an amendment to the international standard defining key terminology for fine bubble technology. Fine bubble technology involves the generation, measurement, and use of extremely small gas bubbles in liquids, typically with diameters of less than 100 micrometers. This standard update provides clarifications and new terms that support the consistent understanding and application of fine bubble concepts across industries. Maintaining precise terminology is vital for manufacturers, researchers, and users to communicate effectively and apply fine bubble innovations accurately.

Key Topics

• Fine Bubble Definition: Bubbles with a volume equivalent diameter smaller than 100 μm.
• Ultrafine Bubble (UFB): A subcategory of fine bubbles with diameters less than 1 μm, essential in applications requiring extremely small bubble sizes.
• Microbubble (MB): Defined as fine bubbles in the size range of 1 μm up to but not including 100 μm.
• Coalescence: The process by which two or more bubbles combine to form larger bubbles, impacting bubble stability.
• Microbubble Generating System: Equipment designed to produce microbubbles in a liquid medium, crucial for applications involving enhanced gas-liquid interactions.
• Number Concentration Index: A metric representing the number-based concentration of bubbles within a dispersion measured by standard industrial methods.
• Volume Concentration Index: A measure reflecting the volume-based concentration of bubbles in a fine bubble dispersion.
• Bubble Collapse: The sudden fragmentation of a bubble into smaller parts, an important phenomenon affecting fine bubble longevity and functionality.

Applications

Fine bubble technology is widely utilized across diverse sectors due to its unique properties and enhanced interaction with liquids. Some practical applications include:

• Water Treatment: Fine bubbles improve oxygen transfer efficiency, enhancing biological treatment processes and contaminant removal.
• Agriculture: Increased oxygenation in irrigation water promotes healthier crop growth and soil microbiology.
• Healthcare and Medicine: Ultrafine bubbles support novel drug delivery systems and diagnostic imaging enhancements.
• Food and Beverage Processing: Microbubbles are used to improve texture, carbonation, and preservation processes.
• Industrial Cleaning: Fine bubbles aid in removing contaminants by improving penetration and reducing chemical usage.
• Aquaculture: Enhanced aeration helps maintain optimal oxygen levels for fish and aquatic life.

Related Standards

ISO 20480-1:2017/Amd 1:2024 is part of the broader ISO 20480 series on fine bubble technology, which covers general principles, measurement methods, and applications of fine bubbles. Collaboration with related ISO standards on water quality, measurement techniques, and materials testing ensures comprehensive guidance aligns with global best practices.

For detailed information and further updates, users can consult the ISO website and the respective national standards bodies. This facilitates harmonized implementation and supports ongoing innovation within fine bubble technology.

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