Mixing.

Rushton, J. Henry

doi:10.1021/ie50493a033

Cited by 11 publications

(14 citation statements)

References 12 publications

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“…Then Equation ( 16) indicates the approximation function of the system response e o " ( t ) given by the coefficients of the polynomial formed by the algebraic multiplication of Equations (17) and (18), or…”

Section: " ( a T I ) 4g " ( A F Z ) Z 4g " ( A T S ) Z 2 + (18)mentioning

confidence: 99%

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Transient characteristics of continuous extraction with agitation

Staffin¹,

Chu²

1964

AIChE Journal

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Section: " ( a T I ) 4g " ( A F Z ) Z 4g " ( A T S ) Z 2 + (18)mentioning

confidence: 99%

“…The relative dimensions of all the turbine impellers used in the study followed the suggestion of Rushton et al (17). The first tank had an inside diameter of 11% in.…”

Section: Experimental Equipmentmentioning

confidence: 99%

Transient characteristics of continuous extraction with agitation

Staffin¹,

Chu²

1964

AIChE Journal

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“…In a survey, Rushton (15) briefly considered the transfer of mass between immiscible liquids and suggested the following correlation for mass transfer data:…”

Section: General Considerationsmentioning

confidence: 99%

Mass Transfer in a Continuous-Flow Mixing Vessel

Trice¹

1957

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“…While this approach is probably adequate for the baffled system, an unbaffled system requires incorporation of the Froude number in the correlation to obtain the power number [16]. Rushton [17] has shown that when a vortex forms, it is impossible to scale up the power requirement for agitation, even with geometrically similar vessels.…”

Section: Introductionmentioning

confidence: 99%

Scaling Up of the Geometrically Similar Unbaffled Circular Tank Surface Aerators

Rao

Kumar

2008

Chem Eng & Technol

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The present investigation is concerned with the development of scale-up equations for the oxygen transfer coefficient, k, and the power number, P O , for unbaffled circular tank surface aerators under geometrically similar conditions, with the purpose of designing energy efficient aerators. It has been found for the present aerators that k and P O are uniquely related to a parameter, X, governing the theoretical power per unit volume and which is defined as Fr , where Fr and Re are the impellers' Froude and Reynolds numbers, respectively. Empirical correlations between k and X, as well as P O with X are developed for the range of experiments conducted. Based on such experimental results, procedures to design energy efficient aeration systems have been demonstrated and it was found that smaller sized aerators are more energy efficient and economical when compared to bigger sized tanks, while aerating the same volume of water, by maintaining the same input power to the tanks irrespective of their size. It has been also demonstrated that substantial amounts of energy can be saved if the aeration tanks run at higher input power.

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Mixing.

Cited by 11 publications

References 12 publications

Transient characteristics of continuous extraction with agitation

Transient characteristics of continuous extraction with agitation

Mass Transfer in a Continuous-Flow Mixing Vessel

Scaling Up of the Geometrically Similar Unbaffled Circular Tank Surface Aerators

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