Mass transfer into highly viscous liquid circulated forcibly in bubble column with draft tube

K. Terasaka, H. Tsuge

研究成果: Article査読

抄録

A propeller was set in inside the draft tube to promote liquid circulation in an airlift bubble column with an inner tube. The liquid was forced to flow upward in the draft tube and to flow down in the annulus by revolving the propeller. In the pressure drop throughout the circulation of highly viscous liquid in the internal airlift bubble column, the pressure drops at the walls of the draft tube and in the annulus were considerably higher than the other pressure drops. The averaged volumetric mass transfer coefficient in the whole bubble column was well estimated using the combination of previous dimensionless empirical equations. The additive liquid stream generated by the revolution of the propeller promoted gas holdup increase in the annulus and the increase of volumetric mass transfer coefficient.

本文言語English
ページ(範囲)443-448
ページ数6
ジャーナルJOURNAL of CHEMICAL ENGINEERING of JAPAN
34
9
出版ステータスPublished - 2001 9 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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