2列ニードル噴流によるW/Oエマルションの生成

書誌事項

タイトル別名
  • Formation of W/O Emulsions by Twin-Needle Jet Disperser.
  • 2レツ ニードル フンリュウ ニヨル W O エマルション ノ セイセイ

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抄録

Continuous emulsification was carried out by jetting into a small mixing chamber with two parallel injection needles (inner diameter dN= 0.3, 0.5 and 0.7mm) at 303 K. Kerosene or n-heptane were employed as the continuous phase, and water was used as the dispersed phase. Nonionic surfactant (Span80) was dissolved in the organic phase. Aqueous droplet diameters in emulsion were measured from a micro-photograph. Log-normal distribution with upper-limit applied to the droplet size distribution. The maximum droplet diameter (dmax) was 2.3 times the Sauter diameter (d32). The d32 value was inversely proportional to the velocity (U) of liquid flow issued from the injection needle.

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