In the first place we shall verify the
necessity of using the micro/nano bubble generator as green technologies. Thereby
we recognize the effectiveness. It goes without saying, the micro/nano bubble
generator generate fine bubbles that these scale is about 1/10 mm to 1/10,000
mm, it is defined the former:100 micro meters, the latter:100 nano meters. So
we call it micro/nano bubble generator.
Generally speaking, we can't make such fine bubbles without using the micro/nano bubble generator, for example the air blower/stone can make minimum 300 micro meters bubble even if by using high pressure tube type blower. Because the scale of the hole on the tube is technically limited. So I think if we need bubbles smaller than 300 micro meters, it’s better to use the micro/nano bubble generator.
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