"Stealth microbubbles" refer to microbubbles that are invisible and cannot be recognized by the naked eye.
We decided to conduct an experiment to see what happens when microbubbles are introduced into a rice field.
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basic information
The microbubble generation nozzle was set in the rice field, and even after spraying, it remained transparent. After spraying about three times, it was still transparent. This experiment used a nozzle that generates bubbles with a peak diameter of 30 to 40 microns. In the acrylic pipe of the pressurized dissolution tank, it was "pure white," but when sprayed horizontally in the rice field, there was no recognition of "white turbidity" or bubbles at all. A plywood board was placed in front of the nozzle and pressed down with bricks to prevent it from floating, making the spray flow easier to see, but even then, we could not confirm the presence of microbubbles. Upon closer inspection of the SUS nozzle, many bubbles smaller than 0.3 mm were found sticking to the surface. They did not burst when moved with a fingernail and were adhered to the nozzle. Additionally, a thin film resembling oil appeared on the water surface. These phenomena allowed us to indirectly recognize that microbubbles were being generated. At this point, I had a flash of insight that microbubbles might be generated even without a ceramic lattice-type nozzle. Having made various nozzles in the past, I quickly conducted an experiment. When tap water was sprayed from the nozzle, microbubbles were generated as expected. ◆ For more details, please request materials or contact us ◆
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Applications/Examples of results
Microbubbles are being utilized in a wide range of fields such as fisheries, agriculture, medical, and industrial applications, not only for aquaculture but also for sterilizing and cleaning oysters, ornamental tanks for live fish, hydroponics, baths, water purification, algae control, various oil separation, cleaning machines, deodorization, and reducing resistance in vessels. For more details, please contact us.
Company information
Our main business is the design of specialized machine tools for processing automotive parts and similar items. We have been researching microbubbles since 2000. In 2006, we developed a loop flow microbubble generation nozzle. We applied for a patent, which was published in May 2008. Since spring 2008, we have been supplying a special type to a company that sells ozone microbubble shower devices. General sales began in 2009.
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