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Gas Agitation of Liquids
Feb 01, 2016

For agitated aqueous solutions in vessels with ratio liquid height at rest/diameter=1, experiments have been carried out to obtain mixing time and heat transfer data for paddle stirrers and spargers, operating in nearly identical systems. To compare agitator performance, mixing times and heat transfer coefficients have been correlated with applied power; different spargers also have been compared on the basis of air flow rate. Calculated applied power ranged from 0.13 to 2.60 ft.-lb.f/lb.m-sec. Sparger configuration strongly influenced performance. Some results could be explained by use of published data on gas discharge into liquids. For the cases considered here, mixing time in sparged systems could be described by relations based on gas flow rate and system geometry.


See more at: https://www.researchgate.net/publication/231295492_Gas_Agitation_of_Liquids