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1

Test Reactions to Study Efficiency of

100%

Jasińska M.

Chemical and Process Engineering

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2015

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vol. 36

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issue 2

171-208

EN

Effects of mixing on the course of fast chemical reactions are relatively well understood, especially in homogeneous systems. This enables to design and operate chemical reactors with the goal to achieve a high yield of a desired product and use systems of complex reactions as a chemical probe (chemical test reactions) to identify progress of mixing and quality of mixture. Recently, a number of studies have focused on the application of chemical test reactions to identify energy efficiency of mixing, being a convenient way of comparing mixers and reactors in terms of their mixing efficiency. This review offers a presentation of chemical test reactions available in the literature and methods of applications of test reactions to identify the energy efficiency of mixing. Also methods to assess the extent of micromixing by measuring product distribution or segregation index, and to determine the time constant for mixing are presented for single phase homogeneous systems and two-phase liquid-liquid systems.

2

New closure method for a simultaneous diazo coupling between 1- and 2-Naphthols and diazotized sulphanilic acid

63%

Bałdyga J., Jasińska M.

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vol. 11

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issue 2

1-5

EN

This paper presents the effects of mixing on the course of complex chemical reactions in relation to the manufacturing of pure products at high reaction selectivity, and designing mixing strategies using complex, homogeneous test reaction systems. As an example, the competitive-consecutive and parallel reaction test system including a simultaneous diazo-coupling between 1- and 2-naphtols and diazotized sulphanilic acid is considered. The effect of mixing on the reaction selectivity is interpreted using mechanistic modeling and a new closure scheme. The new closure represents an extension of the conditional PDF closure applied before to simple reaction schemes.

3

Flow Structure, Drop Deformation and Mass Transfer in Dense Emulsions

63%

Bałdyga J., Jasińska M.

Czasopismo Techniczne

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-

PL

This paper presents applications of a new model of the rheological behaviour of dense oil-inwater emulsions of non-colloidal droplets to describe the flow structure, the effects of the flow of dense emulsion on drop deformation and the related increase of the interfacial area and the mass transfer rate.

4

Flow Structure, Drop Deformation and Mass Transfer in Dense Emulsions

63%

Bałdyga J., Jasińska M.

Czasopismo Techniczne

|

-

PL

This paper presents applications of a new model of the rheological behaviour of dense oil-inwater emulsions of non-colloidal droplets to describe the flow structure, the effects of the flow of dense emulsion on drop deformation and the related increase of the interfacial area and the mass transfer rate.

5

Power characteristics of in-line rotor stator mixers

51%

Jasińska M., Bałdyga J., Cooke M., Kowalski A. J.

Czasopismo Techniczne

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-

PL

Methods that can be used to predict agitation power of the in-line rotor-stator mixers are considered in this paper. Results of experimental investigations and CFD modeling are presented and interpreted theoretically for the Silverson rotor-stator (150/250) MS mixer. Results of theoretical analysis lead to extended version of previously used correlation.

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3 Czasopismo Techniczne

1 Chemical and Process Engineering

1 Polish Journal of Chemical Technology

2 2016

2 2015

1 2009

5 Jasińska M.

4 Bałdyga J.

1 Cooke M.

1 Kowalski A. J.

Test Reactions to Study Efficiency of

New closure method for a simultaneous diazo coupling between 1- and 2-Naphthols and diazotized sulphanilic acid

Flow Structure, Drop Deformation and Mass Transfer in Dense Emulsions

Flow Structure, Drop Deformation and Mass Transfer in Dense Emulsions

Power characteristics of in-line rotor stator mixers