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Fakultät Bio- und Chemieingenieurwesen

Contact

E-Mail:
jan.hohlmanntu-dortmundde

Phone:
(+49)231 755-3211

Consultation hours:
via Email

Adress

Laboratory of Plant and Process Design
Emil-Figge-Str. 70
Geschossbau 2
44227 Dortmund
Deutschland

Room G2-R3.14

Curriculum Vitae

Born August 4th, 1999 in Oberhausen (Germany)
2009-2017 Freiherr-vom-Stein Gymnasium Oberhausen (Germany)
2017-2021 B.Sc. Chemical Engineering Studies, TU Dortmund University
Bachelor Thesis: Formulation and Optimization of Kinetic Models for Methane Chlorination and Pyrolysis
2021-2023 M.Sc. Chemical Engineering Studies, TU Dortmund University
Master Thesis: Optimization of the Separation Efficiency in a Centrifugal Partition Chromatograph Implementing Innovative Process Control
Since 2024 PhD at the Laboratory of Plant and Process Design, TU Dortmund University
Field of Research: "Centrifugal Partition Chromatography"

Field of Research

Centrifugal Partition Chromatography

Centrifugal partition chromatography (CPC) is a liquid chromatography technique that relies on the differing solubilities of a target compound within two phases of an immiscible liquid system. This work investigates and optimizes various example systems, considering hydrodynamic and thermodynamic aspects. The focus is on maximizing productivity and automating operations to enable long-term efficiency. Open questions for investigation include developing a measurement methodology for integral stationary phase retention measurement and establishing a routine for model-based control that depends on substance properties.

Publications

Paper

  • Buthmann, Hohlmann, Volpert, Neuwald, Hamza, Schembecker
    Counteracting Bleeding in Centrifugal Partition Chromatography: Redosing of the Stationary Phase
    Separations (2024), 11(4), 98 doi.org/10.3390/separations11040098
     
  • Buthmann, Hohlmann, Neuwald, Schembecker
    Optimizing Chromatographic Separation with Redosing: Effects on Separation Efficiency of a Model System in Centrifugal Partition Chromatography
    Separations (2024), 11(4), 111 doi.org/10.3390/separations11040111

Data publications

Oral presentations

  • Hohlmann, Buthmann, Göring, Schembecker
    Centrifugal Partition Chromatography: Towards long-term Operation
    19th PhD Seminar on Chromatographic Separation Science, Lund, Sweden, 2024

Poster