Chemical Engineering & Technology

Cover image for Vol. 37 Issue 4

Impact Factor: 1.366

ISI Journal Citation Reports © Ranking: 2012: 55/133 (Engineering Chemical)

Online ISSN: 1521-4125

Associated Title(s): Chemie Ingenieur Technik, ChemBioEng Reviews, Energy Technology

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Carbonate Looping
Edited by: Bernd Epple

Industrial Crystallization
Edited by: Zuoliang Sha, Qiuxiang Yin and Jianxin Chen

Micro Flow Processes
Edited by: Volker Hessel and Qi Wang

Grinding and Dispersing
Edited by: Arno Kwade

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Recently Published Articles

  1. Evaluation of Impact Velocity and Compression Force of Moist Zeolite 4A Granules at Breakage using an Equivalence Function

    Peter Mueller, Sergej Aman and Juergen Tomas

    Article first published online: 7 APR 2014 | DOI: 10.1002/ceat.201300792

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    The mechanical properties of granules must be known to avoid problems during processing and transportation. Moist spherical zeolite 4A granules were tested by compression at a constant loading velocity until primary breakage. The granules were rectilinearly accelerated and impacted to achieve breakage. Compressive breakage force and impact breakage velocity distributions were determined.

  2. CFD-Discrete Element Method Simulations Combined with Compression Experiments to Characterize Stirred-Media Mills

    Stefan Beinert, Carsten Schilde, Greta Gronau and Arno Kwade

    Article first published online: 7 APR 2014 | DOI: 10.1002/ceat.201300716

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    Micro-compression tests of single model aggregates and coupled CFD-discrete element method simulations are linked to improve the prediction of the dispersion progress in stirred-media mills. The dispersion efficiency is calculated by the stress energy distribution of an annular-gap mill and the breakage distribution of the particle system.

  3. Ultrafine Grinding of Limestone with Sodium Polyacrylates as Additives in Ordinary Portland Cement Mortar

    Katja Ohenoja, Sandra Breitung-Faes, Päivö Kinnunen, Mirja Illikainen, Juha Saari, Arno Kwade and Jouko Niinimäki

    Article first published online: 7 APR 2014 | DOI: 10.1002/ceat.201300707

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    Nano-grinding of limestone in a stirred media mill is an interesting method for nano-CaCO3 production. More energy-efficient grinding of CaCO3 can be achieved by adding sodium polyacrylate with a low polydispersion index as grinding aid. Original Portland cement mortar tests were performed with ground nano-CaCO3 particles. The heat of hydration is accelerated.

  4. Mechanochemistry in Technology: From Minerals to Nanomaterials and Drugs

    Peter Baláž, Matej Baláž and Zdenka Bujňáková

    Article first published online: 7 APR 2014 | DOI: 10.1002/ceat.201300669

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    Mechanochemical processing can effectively control and regulate the course of solid-state reactions. Possible applications of mechanochemistry in extractive metallurgy, materials engineering, and medicine are illustrated with several examples. Potential alterations of solid properties are described and the advantages and particularly attractive environmental aspects of these processes are explained.

  5. Progress and Challenges in Electrical Comminution by High-Voltage Pulses

    Fengnian Shi, Emmy Manlapig and Weiran Zuo

    Article first published online: 7 APR 2014 | DOI: 10.1002/ceat.201300660

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    Comminution consumes about one third of the energy used by the mining industry. Therefore, improved methods for mineral comminution are continually being sought. A particle pre-weakening characterization method by single-particle/single-pulse test has been developed. Challenges in terms of facilities scaling-up, circuit design, generation of cracks, and downstream effects are discussed.