1113 マイクロバブルの挙動に及ぼす気泡電位の影響(2)(OS11-3 ナノ・マイクロフルイディクス(マイクロ混相流),OS11 ナノ・マイクロフルイディクス,オーガナイズドセッション)

概要

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Micro bubbles are very small bubbles with diameters of 50μm or less, and have become to attract people's concerns rapidly attracted in the past several years due to their wide potential in practical applications to a variety of advanced technologies. However, the characteristic and the behavior of the micro bubbles have not been completely clarified yet. In this study, the compact and low power micro bubble generator has been developed, and the effect of electrical property of micro bubbles on the purification technique was investigated. The ζ potential was measured by electrophoresis method in the several pH conditions. When the ζ potential is low, the bubble locally unites and grows due to the coalescent phenomenon in bubbles. On the other hand, the coalescent bubble was not observed for the high ζ potential condition. As the result, the water purification technique by using micro bubbles is affected by the ζ potential.
2007-11-17