Tim Zeiner

Univ.-Prof. Dr.-Ing. habil.

20072020
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Research Output 2007 2019

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Article
2019
Coalescence
Surface tension
Computational fluid dynamics
Computer simulation
Liquids

Interfacial Mass Transfer in Water-Toluene Systems

Nagl, R., Zimmermann, P. & Zeiner, T., 1 Jan 2019, In : Journal of chemical and engineering data. 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Toluene
Mass transfer
Water
Liquids
Acetonitrile

Theoretical and experimental investigation of mass transfer in aqueous two-phase systems based on linear and branched polymers

Kulaguin Chicaroux, A. & Zeiner, T., 15 Jan 2019, In : Fluid phase equilibria. 479, p. 106-113 8 p.

Research output: Contribution to journalArticleResearchpeer-review

binary systems (materials)
mass transfer
Polymers
Mass transfer
polymers
2018

Adsorption Isotherms of Liquid Isomeric Mixtures

Goetsch, T., Zimmermann, P., Scharzec, B., Enders, S. & Zeiner, T., 15 Aug 2018, In : Industrial and Engineering Chemistry Research. 57, 32, p. 11210-11218 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Adsorption isotherms
Liquids
Adsorption
Density functional theory
Zeolites

Interfacial Behavior of Aqueous Two-Phase Systems Based on Linear and Hyperbranched Polymers

Kulaguin-Chicaroux, A. & Zeiner, T., 12 Jul 2018, In : Journal of chemical and engineering data. 63, 7, p. 2467-2476 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Dextran
Polymers
Dextrans
Mass transfer
Polyethylene glycols

Simulation and Experiment of the Homogeneously Catalyzed Production of Terpenyl Amine

Schulz, R., Sengen, L., Gießelmann, K., Hunold, S. & Zeiner, T., 1 Jul 2018, In : Chemie - Ingenieur - Technik. 90, 7, p. 947-955 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Complexation
Amines
Acids
Liquids
Pilot plants
2017

Integrated process development of a reactive extraction concept for itaconic acid and application to a real fermentation broth

Gorden, J., Geiser, E., Wierckx, N., Blank, L. M., Zeiner, T. & Brandenbusch, C., 28 Feb 2017, In : Engineering in life sciences.

Research output: Contribution to journalArticleResearchpeer-review

Fermentation
Acids
Processing
Carboxylic Acids
Biocatalysts

Interfacial mass transfer in ternary liquid-liquid systems

Kruber, K. F., Krapoth, M. & Zeiner, T., 25 May 2017, In : Fluid phase equilibria. 440, p. 54-63 10 p.

Research output: Contribution to journalArticleResearchpeer-review

mass transfer
Mass transfer
Liquids
gradients
liquids

Liquid-Liquid Equilibrium and Interfacial Tension of Hexane Isomers-Methanol Systems

Goetsch, T., Danzer, A., Zimmermann, P., Köhler, A., Kissing, K., Enders, S. & Zeiner, T., 30 Aug 2017, In : Industrial and Engineering Chemistry Research. 56, 34, p. 9743-9752 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Hexanes
Hexane
Isomers
Methanol
Surface tension

Modelling of adsorption isotherms of isomers using density functional theory

Zimmermann, P., Goetsch, T., Zeiner, T. & Enders, S., 1 Mar 2017, In : Molecular physics. p. 1-19 19 p.

Research output: Contribution to journalArticleResearchpeer-review

Adsorption isotherms
Isomers
Adsorption
Density functional theory
isotherms

Superposition of Liquid-Liquid and Solid-Liquid Equilibria of Linear and Branched Molecules: Ternary systems

Goetsch, T., Zimmermann, P., Van Den Bongard, R., Enders, S. & Zeiner, T., 2017, In : Industrial & engineering chemistry research. 56, 1, p. 417-423 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Ternary systems
Molecules
Liquids
Alkanes
Thermodynamics
2016

Homogeneously catalyzed hydroamination in a Taylor–Couette reactor using a thermormorphic multicomponent solvent system

Färber, T., Riechert, O., Zeiner, T., Sadowski, G., Behr, A. & Vorholt, A. J., 1 Aug 2016, In : Chemical Engineering Research and Design / A. 112, p. 263-273 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Recycling
Catalysts
Ternary systems
Phase equilibria
Catalysis

Hyperbranched polymers as phase forming components in aqueous two-phase extraction

Kulaguin Chicaroux, A., Plath, M. & Zeiner, T., 1 Jan 2016, In : Chemical Engineering and Processing. 99, p. 167-174 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Dextran
Serine
Polymers
Dextrans
Thermodynamics

Purification of Terpenyl Amine by Reactive Extraction

Schulz, R., Van Den Bongard, R., Islam, J. & Zeiner, T., 18 May 2016, In : Industrial & engineering chemistry research. 55, 19, p. 5763-5769 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Acetic acid
Acetic Acid
Amines
Purification
Acids

Recovery of cis,cis-muconic acid from organic phase after reactive extraction

Gorden, J., Zeiner, T., Sadowski, G. & Brandenbusch, C., 1 Sep 2016, In : Separation and purification technology. 169, p. 1-8 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Recovery
Dicarboxylic Acids
Amines
Acids
Water

Tuneable extraction systems based on hyperbranched polymers

Goetsch, T., Zimmermann, P., Enders, S. & Zeiner, T., 1 Jan 2016, In : Chemical Engineering and Processing. 99, p. 175-182 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Polymers
Liquids
Crystallization
Solubility
Polyesters

Wässrige Zweiphasenextraktion – Eine Alternative im Downstream-Prozess?

Zeiner, T., 2016, In : Chemie - Ingenieur - Technik. 88, 9, p. 1276 1 p.

Research output: Contribution to journalArticleResearchpeer-review

2015

Demixing behavior of binary polymer mixtures

Kulaguin Chicaroux, A., Górak, A. & Zeiner, T., 28 May 2015, In : Journal of Molecular Liquids. 209, p. 42-49 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Polymers
polymers
Gibbs free energy
gradients
Polydimethylsiloxane

Different recycling concepts in the homogeneously catalysed synthesis of terpenyl amines

Färber, T., Schulz, R., Riechert, O., Zeiner, T., Górak, A., Sadowski, G. & Behr, A., 1 Dec 2015, In : Chemical Engineering and Processing. 98, p. 22-31 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Amines
Recycling
Liquids
Phase interfaces
Chemical reactors

Experiment and simulation of an aqueous two-phase extraction process for the purification of a monoclonal antibody

Mündges, J., Zierow, J. & Zeiner, T., 1 Sep 2015, In : Chemical Engineering and Processing. 95, p. 31-42 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Monoclonal antibodies
Purification
Monoclonal Antibodies
Experiments
Sodium chloride
binary systems (materials)
Molar mass
Phase equilibria
Polyethylene glycols
Dextran

Measurement and modeling of phase equilibria in systems of acetonitrile, n-alkanes, and β-myrcene

Riechert, O., Zeiner, T. & Sadowski, G., 28 Jan 2015, In : Industrial & engineering chemistry research. 54, 3, p. 1153-1160 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Alkanes
Acetonitrile
Phase equilibria
Paraffins
Liquids

Multistage aqueous two-phase extraction of a monoclonal antibody from cell supernatant

Muendges, J., Zalesko, A., Górak, A. & Zeiner, T., 1 Jul 2015, In : Biotechnology Progress. 31, 4, p. 925-936 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Immunoglobulins
Monoclonal Antibodies
Sodium Chloride
Salts
Phosphates

Phase Equilibria in Systems of Morpholine, Acetonitrile, and n -Alkanes

Riechert, O., Zeiner, T. & Sadowski, G., 9 Jul 2015, In : Journal of chemical and engineering data. 60, 7, p. 2098-2103 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Alkanes
Acetonitrile
Phase equilibria
Paraffins
Liquids

Possibilities to intensify and integrate aqueous two-phase extraction for IgG purification

Mündges, J., Zierow, J., Langer, U. & Zeiner, T., 5 Nov 2015, In : Separation and purification technology. 154, p. 217-227 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Purification
Immunoglobulins
Phosphates
Immunoglobulin G
Polyethylene glycols

Prediction of adsorption isotherms of n-aldehydes mixtures using density functional theory in combination with Peng-Robinson equation of state

Zimmermann, P., Goetsch, T., Zeiner, T. & Enders, S., 31 Jul 2015, In : Fluid phase equilibria. 424, p. 173-181 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Aldehydes
Adsorption isotherms
aldehydes
Equations of state
Density functional theory

Reactive extraction of cis,cis-muconic acid

Gorden, J., Zeiner, T. & Brandenbusch, C., 5 May 2015, In : Fluid phase equilibria. 393, p. 78-84 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Amines
amines
Dodecanol
Dicarboxylic Acids
acids

Separation of active laccases from Pleurotus sapidus culture supernatant using aqueous two-phase systems in centrifugal partition chromatography

Schwienheer, C., Prinz, A., Zeiner, T. & Merz, J., 1 Oct 2015, In : Journal of chromatography / B. 1002, p. 1-7 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Pleurotus
Laccase
Chromatography
Purification
Liquids

Single stage aqueous two-phase extraction for monoclonal antibody purification from cell supernatant

Muendges, J., Stark, I., Mohammad, S., Górak, A. & Zeiner, T., 5 Jan 2015, In : Fluid phase equilibria. 385, p. 227-236 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Monoclonal antibodies
antibodies
purification
Purification
Immunoglobulins

Solvent effects on esterification equilibria

Riechert, O., Husham, M., Sadowski, G. & Zeiner, T., 1 Sep 2015, In : AIChE Journal. 61, 9, p. 3000-3011 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Esterification
Acetic acid
Acetic Acid
Dimethylformamide
Propionic acid
2014

Multi-stage laccase extraction and separation using aqueous two-phase systems: Experiment and model

Prinz, A., Koch, K., Górak, A. & Zeiner, T., 2014, In : Process biochemistry. 49, 6, p. 1020-1031 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Laccase
Enzymes
Experiments
Sodium Chloride
Enzyme activity

Novel aqueous two-phase system based on a hyperbranched polymer

Kulaguin-Chicaroux, A. & Zeiner, T., 25 Jan 2014, In : Fluid phase equilibria. 362, p. 1-10 10 p.

Research output: Contribution to journalArticleResearchpeer-review

binary systems (materials)
dendrimers
Polymers
Water
Dextran

Purification of biomolecules combining ATPS and membrane chromatography

Puthirasigamany, M., Hamm, I., Van Winssen, F. A., Nikbin, N., Kreis, P., Gorak, A. & Zeiner, T., 2014, In : Food and Bioproducts Processing. 92, 2, p. 152-160 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Biomolecules
Chromatography
Purification
chromatography
Membranes

Separation and purification of laccases from two different fungi using aqueous two-phase extraction

Prinz, A., Hönig, J., Schüttmann, I., Zorn, H. & Zeiner, T., Feb 2014, In : Process biochemistry. 49, 2, p. 335-346 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Laccase
Sodium chloride
Fungi
Purification
Sodium Chloride

Solubility calculations of branched and linear amino acids using lattice cluster theory

Fischlschweiger, M., Enders, S. & Zeiner, T., 2 Sep 2014, In : Molecular physics. 112, 17, p. 2282-2296 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Solubility
amino acids
solubility
Amino Acids
Association reactions
2013

Development of a generic process model for membrane adsorption

van Beijeren, P., Kreis, P. & Zeiner, T., 1 Jun 2013, In : Computers & chemical engineering. 53, p. 86-101 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Membranes
Adsorption
Ion exchange membranes
Purification
Proteins

Membrane chromatography for the purification of laccase from the supernatant of Pleurotus sapidus

Puthirasigamany, M., Wirges, M. & Zeiner, T., 15 Jan 2013, In : Biochemical Engineering Journal. 70, p. 180-187 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Pleurotus
Laccase
Chromatography
Fermentation
Purification
2012

Downstream processing of biosurfactants

Weber, A., May, A., Zeiner, T. & Górak, A., 2012, In : Chemical Engineering Transactions. 27, p. 115-120 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Proteins
Processing
Washing
Water
Solubility

Experimental investigation of laccase purification using aqueous two-phase extraction

Prinz, A., Zeiner, T., Vössing, T., Schüttmann, I., Zorn, H. & Górak, A., 2012, In : Chemical Engineering Transactions. 27, p. 349-354 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Laccase
Sodium chloride
Sodium Chloride
Purification
Enzyme activity

Ion exchange membrane adsorption of bovine serum albumin-Impact of operating and buffer conditions on breakthrough curves

van Beijeren, P., Kreis, P. & Zeiner, T., 1 Oct 2012, In : Journal of membrane science. 415-416, p. 568-576 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Ion exchange membranes
Ion Exchange
Bovine Serum Albumin
albumins
serums

Phase behaviour of hyperbranched polymers in demixed solvents

Schrader, P., Zeiner, T., Browarzik, C., Puyan, M. J. & Enders, S., 10 Jun 2012, In : Molecular physics. 110, 11-12, p. 1359-1373 15 p.

Research output: Contribution to journalArticleResearchpeer-review

dendrimers
Phase behavior
Polymers
ternary systems
Ternary systems
2011

Calculation of the (liquid + liquid) equilibrium of solutions of hyperbranched polymers with the lattice-cluster theory combined with an association model

Zeiner, T., Browarzik, C., Browarzik, D. & Enders, S., Dec 2011, In : The Journal of Chemical Thermodynamics. 43, 12, p. 1969-1976 8 p.

Research output: Contribution to journalArticleResearchpeer-review

dendrimers
Polymers
Association reactions
alkanes
Liquids

Phase- and interfacial behavior of hyperbranched polymer solutions

Zeiner, T., Schrader, P., Enders, S. & Browarzik, D., 15 Mar 2011, In : Fluid phase equilibria. 302, 1-2, p. 321-330 10 p.

Research output: Contribution to journalArticleResearchpeer-review

dendrimers
Polymer solutions
Polymers
Association reactions
Polyesters

Phase behavior of hyperbranched polymer solutions in mixed solvents

Zeiner, T. & Enders, S., 1 Nov 2011, In : Chemical Engineering Science. 66, 21, p. 5244-5252 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Polymer Solution
Phase behavior
Polymer solutions
Polymers
Ternary
2009

Calculation of the liquid-liquid equilibrium of aqueous solutions of hyperbranched polymers

Zeiner, T., Browarzik, D. & Enders, S., 15 Dec 2009, In : Fluid phase equilibria. 286, 2, p. 127-133 7 p.

Research output: Contribution to journalArticleResearchpeer-review

dendrimers
Polymers
aqueous solutions
polymers
Liquids
2007

Berechnung der adsorptionsisothermen mit einer zustandsgleichung

Zeiner, T. & Enders, S., Sep 2007, Chemie - Ingenieur - Technik, 79, 9, p. 1481-1482 2 p.

Research output: Contribution to specialist publicationArticleResearchpeer-review

Adsorption isotherms
Equations of state
Liquids
Hexanes
Hexane