Chemie Ingenieur Technik

Cover image for Vol. 89 Issue 10

Early View (Online Version of Record published before inclusion in an issue)

Online ISSN: 1522-2640

Associated Title(s): Chemical Engineering & Technology, ChemBioEng Reviews, Energy Technology

VIEW

  1. 1 - 10
  1. Forschungsarbeiten

    1. Trennkurven in Siebung und Gegenstromsichtung bei geringen Gutbeladungen

      Christian Spötter, Frederik Elskamp, Manuel Hennig, Ulrich Teipel, Alfred P. Weber and Harald Kruggel-Emden

      Version of Record online: 26 SEP 2017 | DOI: 10.1002/cite.201600156

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      Um das Trennverhalten von trockenen Klassierungsprozessen besser beurteilen zu können, wurden die Sichtungsvorgänge bei Siebungen und Abweiseradsichtern experimentell untersucht und mit DEM-Simulationen sowie Modellberechnungen verglichen. Hierzu wurden die Partikelbewegungen beider Prozesse mittels Hochgeschwindigkeitskameraaufnahmen ausgemessen und mittels DEM simuliert.

  2. Research Articles

    1. Systematic Design of a Butadiene Telomerization Process: The Catalyst Makes the Difference

      Sebastian Recker, Charles M. Gordon, Amy Peace, Christian Redepenning and Wolfgang Marquardt

      Version of Record online: 26 SEP 2017 | DOI: 10.1002/cite.201700055

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      In this work, a comparative conceptual design study for a catalytic process for the telomerization of 1,3-butadiene with methanol is presented. The impact of the catalyst selection on the process economics is included by an optimization-based approach.

  3. Forschungsarbeiten

    1. Flüssigkeitsmaldistribution in Füllkörperschüttungen: Experimentelle Untersuchung der Einflussparameter

      Florian Hanusch, Sebastian Rehfeldt and Harald Klein

      Version of Record online: 20 SEP 2017 | DOI: 10.1002/cite.201700015

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      Die Flüssigkeitsmaldistribution in Füllkörperschüttungen ist Gegenstand einer Vielzahl von Arbeiten und wird experimentell in einer Ø1,2-m-Kolonne unter Variation der Versuchs- und Betriebsparameter untersucht. Die Ergebnisse geben Aufschluss über die Einflussparameter auf die Flüssigkeitsmaldistribution.

  4. Reviews

    1. Ontologies in Process Systems Engineering

      Rafael Batres

      Version of Record online: 19 SEP 2017 | DOI: 10.1002/cite.201700037

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      An overview of ontology-related contributions on ontology development and applications in fields related to process systems engineering is given. The review covers domains of product design, process and plant design, control, safety, modeling, and work processes. Some common patterns and research opportunities are identified.

  5. Research Articles

    1. A Systematic Approach towards Synthesis and Design of Pervaporation-Assisted Separation Processes

      Bettina Scharzec, Thomas Waltermann and Mirko Skiborowski

      Version of Record online: 19 SEP 2017 | DOI: 10.1002/cite.201700079

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      Although pervaporation is one of the most mature membrane processes, it is rarely considered in conceptual design. The current article presents a systematic approach for the identification of promising applications of pervaporation-assisted separation processes, including further means of process intensification.

    2. Selective Oxidation of Methane with Hydrogen Peroxide towards Formic Acid in a Micro Fixed-Bed Reactor

      Hualiang Zuo, Vera Meynen and Elias Klemm

      Version of Record online: 14 SEP 2017 | DOI: 10.1002/cite.201600174

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      Methane as the main component of natural gas receives more and more attention. The production of formic acid by the selective oxidation of methane is presented. Colloidal nanosized Cu-Fe-silicalite-1 as catalyst was prepared and a micro reactor was used to intensify mass transport. High values of turnover frequencies and volume productivity were obtained.

  6. Forschungsarbeiten

    1. Modelldurchgängigkeit in der Prozessindustrie am Beispiel virtueller Inbetriebnahme

      Nataliya Yakut, Kai Krüning, Gregor Foltin, Jakob Burger, Michael Krauss, Norbert Asprion, Michael Bortz and Matthias Roth

      Version of Record online: 14 SEP 2017 | DOI: 10.1002/cite.201700059

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      In diesem Beitrag wird ein Verfahren zur systematischen Erstellung von mid-fidelity Modellen aus schon existierenden stationären rigorosen Simulationsmodellen für die virtuelle Inbetriebnahme vorgestellt. Diese Technik ermöglicht es, die Informationen und Modelle, die in früheren Lebensphasen einer Anlage entwickelt wurden in späteren Phasen wiederzuverwenden.

  7. Reviews

    1. Cognitive Challenges of Changeability: Multi-Level Flexibility for Operating a Modular Chemical Plant

      Romy Müller and Leon Urbas

      Version of Record online: 28 AUG 2017 | DOI: 10.1002/cite.201700029

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      In changeable modular plants, flexible strategy selection by operators is required on multiple interacting levels. The cognitive challenges associated with this are discussed before the background of the empirical literature on adaptive decision making and action control in volatile environments.

  8. Research Articles

    1. Integrated Dynamic Optimization and Scheduling of Polymerization Processes with First Principle Models

      Yisu Nie and Lorenz T. Biegler

      Version of Record online: 23 AUG 2017 | DOI: 10.1002/cite.201700053

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      Differential-algebraic optimization strategies based on simultaneous collocation and embedded within mixed integer nonlinear programming provides powerful strategies for the integration of recipe optimization with planning and scheduling. Significant process improvements are demonstrated on a semi-batch polymerization process.

    2. Real-Time Optimization in the Chemical Processing Industry

      David Müller, Benedikt Dercks, Ehsan Nabati, Martin Blazek, Tobias Eifert, Jörg Schallenberg, Uwe Piechottka and Kai Dadhe

      Version of Record online: 9 AUG 2017 | DOI: 10.1002/cite.201700033

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      Despite an abundance of successful examples of real-time optimization (RTO) of continuous processes, strongly opposing opinions still exist when it comes to an investment decision. In this article deliberations which should be performed prior to the initiation of an RTO project are highlighted and prerequisites are discussed.

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