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Compression of Anisometric Granular Materials.
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SYSNO ASEP 0495998 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Compression of Anisometric Granular Materials. Author(s) Pěnkavová, Věra (UCHP-M) RID, ORCID, SAI
Kulaviak, Lukáš (UCHP-M) RID, ORCID, SAI
Růžička, Marek (UCHP-M) RID, ORCID, SAI
Punčochář, Miroslav (UCHP-M) RID, ORCID, SAI
Grof, Z. (CZ)
Štěpánek, F. (CZ)
Schöngut, M. (CZ)
Zámostný, P. (CZ)Source Title Powder Technology. - : Elsevier - ISSN 0032-5910
Roč. 342, JAN 15 (2019), s. 887-898Number of pages 12 s. Language eng - English Country NL - Netherlands Keywords anisometric particles ; uniaxial compression ; compaction models Subject RIV CI - Industrial Chemistry, Chemical Engineering OECD category Chemical process engineering R&D Projects GA15-05534S GA ČR - Czech Science Foundation (CSF) Institutional support UCHP-M - RVO:67985858 UT WOS 000454375100088 EID SCOPUS 85055911574 DOI 10.1016/j.powtec.2018.10.031 Annotation Granular particles of anisometric shape are common in many technologies and the knowledge of their compression response is needed for their handling, storage, transport and flow. Despite its importance, a little attention has been paid to this problem so far. Therefore, our contribution is an experimental study focused
on the uniaxial compression of random layers of dry anisometric (prolonged) particles of various kinds with a broad spectrum of properties. Eight different materials were tested, both organic and inorganic, both regular model-shaped and irregular real-shaped (hollow plastic beads, graphite rods, rod-like pasta, hair-likepasta, glass fibres, crystals of: terephthalic acid, KMnO4, PbCl2). Compressibility curves were measured using the tablet press Gamlen GTP-1 (our working range 0–9 MPa). The data were
fitted with four compression models (Kawakita, Heckel, Shapiro, Adams). All these models worked satisfactorily well within the range of their validity. The results show that the powder-compaction models, originally suggested for fine general powders, can be applied also to coarse anisometric particles. Different granular materials were compared by their location in the model parameter planes, and the difference between anisometric particles and general powders was highlighted.
Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2019
Number of the records: 1