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Fakultät BCI

Short Presentation

Dr.-Ing. Habil. J. Maćkowiak is executive director of ENVIMAC Engineering GmbH in Oberhausen since 1989. The company is designing and building turnkey plants, apparatuses and components for thermal separation tasks and sells their products worldwide.

Since 2004 Dr.-Ing. Habil. J. Maćkowiak is assistant lecturer at the laboratory of fluid separations at TU Dortmund University.

© Prof. Dr.-Ing. Jerzy Maćkowiak

Professional career

1970-1976 Study of mathematics at university Wrocław

1975 Ph.D. at the chair of Prof. Ziołkowski –  „Vater der polnischen Verfahrenstechnik “– 

1976 -1984 Scientific staff member at the chair of Prof. Dr.-Ing. R. Billet "Thermische Stofftrennverfahren" at the Ruhr-Universität-Bochum

1984 Academic director  at this chair with the main task of teaching and research; supervisor of more than 60 Diplom theses and involved in the development of the chair since its establishment in 1976

1989 Executive Director ENVIMAC Engineering GmbH ( former ENVICON)

1991 Habilitation at technical univesity Wrocław.

2010 Nomination as honorary professor of TU Dortmund University


  • Fluiddynamics and mass transfer in tray and packed columns for distialltion, absorption, desorption and gas cooling
  • Humidification and liquid/liquid extraction
  • Thermodynamics of mixtures
  • Behaviour of contactors in non-isobaric processes
  • Heat transfer in packed columns
  • Biological waste gas treatment in biofilters and biological waste water treatment in dived fixed bed reactors


Selected articles and presentations

[1] R. Billet, J. Maćkowiak

“New Method for Design of Packed Column with Random and Stacked Packings for Liquid-Liquid Extraction Processes”

Germ.-Chem.-Eng. 9 (1986) Nr. 1, S. 48-64

[2] R. Billet, Z. Ługowski, J. Maćkowiak

"Optimaler Arbeitsdruck bei der Rektifikation "

Chemie Technik (Heidelberg) 12 (1983), Nr. 11 S. 69 - 76

[3] J. Fischer, U. Heinbuch, V. Landau, J. Maćkowiak

"Dampf-Flüssigkeits-Phasengleichgewichte nach der Gruppenbeitragstheorie von Kehiaian"

Chemie Technik 13 (1983), Heft 6, S. 59 - 64

[4] R. Billet, J. Maćkowiak

"Hydraulic and Mass Transfer Model for High Capacity Liquid-Liquid-Extractors Filled with Stacked Packings "

Int. Solvent Extraction Conf. Proc. Denver (1983), 26. August - 2. September;

ISEC 83, AIChE (ISBN 0-8169-0254-2), Band I, S. 110 - 112;

Selected Papers from ISEC 83, AIChE Symp. Series 1984, Vol. 80, Nr. 238, S. 54 - 64

[5] R. Billet, J. Maćkowiak

"How to Use the Absorption Data for Design and Scale-up of Packed Columns"

Fette, Seifen, Anstrichmittel 86 (1984), Nr. 9, S. 349 - 358

[6] R. Billet, V. Landau, J. Maćkowiak

"Rückvermischung der kontinuierlichen Phase in Rohrkolonnen "

Chemie Technik 13 (1984), Nr. 10, S. 88 – 94

DOI: 10.1021/ie2014982

[7] J. Maćkowiak

"Einsatz von modernen Füllkörpern zur Reduzierung von Schadstoffen aus Abluft und Abwasser "

Staub - Reinhaltung der Luft 50 (1990), S. 221 - 227 

[8] A. Kozioł, J. Maćkowiak

"A new Method for Determining the Efficiency of Tray Columns with Downcomers"

Chem.-Eng. Technolog. Bd. 15( 1992) S. 103-113

[9] A. Kozioł, J. Maćkowiak

"Determination of equilibrium data for sulphur dioxide-water systems in the range of low concentrations of SO2"

International Chemical Engineering, vol. 33, July 1993, No. 3, S. 442 – 449

[10] J. Maćkowiak

"Untersuchungen des gas- und flüssigkeitsseitigen Stoffüberganges in Kolonnen mit strukturierten Packungen "

CIT 71(1999) Nr.: 1+2,  S. 100-104

[11] J. Maćkowiak

"Modellierung des flüssigkeitsseitigen Stoffüberganges in Kolonnen mit klassischen und gitterförmigen Füllkörpern"

CIT 80 (2008) Nr.1+2 S. 57-77

[12] J. Maćkowiak

"Neue Aspekte der Modellierung bei der Fluiddynamik von Packungskolonnen"

CIT 78 (2006) Nr. 8, S.1079-1086