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Dive into the research topics where Ulf Plöcker is active.

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Featured researches published by Ulf Plöcker.


Annals of the New York Academy of Sciences | 1984

Scale-up of an enzyme membrane reactor process for the manufacture of L-enantiomeric compounds

Wolfgang Leuchtenberger; Michael Karrenbauer; Ulf Plöcker

For the industrial production of L-amino acids, each of these processes has its importance. TABLE 1 shows an overview of the processes that are practiced for the production of individual amino acids, which are used as flavoring agents, feed additives, and in infusion solutions. Enzymatic catalysis is advantageous for cases where L-amino acids can be produced with high specificity from inexpensive precursors in a continuously operating process. The acylase-catalyzed stereospecific hydrolysis of N-acetyl-DL-amino acids is employed industrially for the production of L-alanine, L-valine, L-methionine, Lphenylalanine, and L-tryptophan. Enzymatic resolution can only be competitive when coupled with an efficient enzyme recycling or immobilization system and an easy racemization of the undesired acetyl-D-amino acids (FIG. I ) . enantiomeric compounds used as fine chemicals or pharmaceuticals:


Industrial & Engineering Chemistry Process Design and Development | 1978

Calculation of High-Pressure Vapor-Liquid Equilibria from a Corresponding-States Correlation with Emphasis on Asymmetric Mixtures

Ulf Plöcker; Helmut Knapp; John M. Prausnitz


Chemie Ingenieur Technik | 1972

Instationärer Stofftransport zwischen einer Einzelkugel und einer ruhenden Umgebung

Ulf Plöcker; Henner Schmidt-Traub


Chemie Ingenieur Technik | 1977

Methoden zur Berechnung von Phasengleichgewichten und Enthalpien mit Hilfe von Zustandsgleichungen

Lothar Oellrich; Ulf Plöcker; John M. Prausnitz; Helmut Knapp


Chemie Ingenieur Technik | 1988

Herstellung von Aminosäuren mit Hilfe biotechnologischer Methoden

Wolfgang Leuchtenberger; Ulf Plöcker


Chemie Ingenieur Technik | 1988

Wärmetransformatoren für die Chemische Industrie aus der Sicht des Anwenders

Ulf Plöcker; Uwe PreußNer; Bernd Brandt


Chemie Ingenieur Technik | 1990

Enthalogenierung halogenkohlenwasserstoffhaltiger organischer Flüssigkeiten

Edgar Bilger; Udo Gropp; Ulf Plöcker


Chemie Ingenieur Technik | 2000

Fusionen in der chemischen Industrie und ihre Auswirkungen auf die Arbeit der Ingenieure am Beispiel Degussa-Hüs

Ulf Plöcker


Chemie Ingenieur Technik | 1999

189. Ingenieure in Forschung und Entwicklung

Ulf Plöcker; Henning Bode; J. Schönborn


Chemie Ingenieur Technik | 1993

Strukturwandel in der Ingenieurtechnik der chemischen Industrie

Günter Lipphardt; Volker Pilz; Ulf Plöcker; Klaus Wintermantel

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Helmut Knapp

Technical University of Berlin

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Henner Schmidt-Traub

Technical University of Dortmund

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Lothar Oellrich

Technical University of Berlin

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