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PRISE MASSE CRISTAUX [1 record]
Record 1 - internal organization data 2016-02-29
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Chemical Engineering
Record 1, Main entry term, English
- agglomeration of crystals
1, record 1, English, agglomeration%20of%20crystals
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- caking of crystals 2, record 1, English, caking%20of%20crystals
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Department of Chemistry, University College London. Computer modelling of crystal-crystal adhesion. The agglomeration of crystals in industrial crystallization processes is a major problem in the manufacture of many solid products. The EPSRC have funded a major collaborative project between UCL chemical engineering and chemistry to combine crystallization and micro-mechanic experiments with theoretical modelling, to develop a molecular based model of crystal agglomeration. One of the positions in this project is a PhD studentship to develop the modelling of inter-crystal forces at the atomistic level. 1, record 1, English, - agglomeration%20of%20crystals
Record number: 1, Textual support number: 2 CONT
... crystalline products [have a] tendency to cake or bind together ... the material [that] shall flow freely ... makes the prevention of caking of crystals a serious problem for a manufacturer. 3, record 1, English, - agglomeration%20of%20crystals
Record number: 1, Textual support number: 3 CONT
Crystallization: Saturation, Nucleation, Crystallization rate, Effect of impurities, Effect of temperature on solubility. Caking of crystals, Batch crystallizers, Continuous crystallizers. 4, record 1, English, - agglomeration%20of%20crystals
Record 1, French
Record 1, Domaine(s)
- Chimie
- Génie chimique
Record 1, Main entry term, French
- prise en masse des cristaux
1, record 1, French, prise%20en%20masse%20des%20cristaux
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- agglomération des cristaux 2, record 1, French, agglom%C3%A9ration%20des%20cristaux
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'agglomération ou prise en masse des cristaux [...] par les inconvénients qu'elle présente pour la conservation des corps cristallisés, tassés dans des magasins ou dans des sacs, est un problème industriel de première importance. 1, record 1, French, - prise%20en%20masse%20des%20cristaux
Record number: 1, Textual support number: 2 CONT
En cristallisation industrielle, l'agglomération des cristaux constitue un phénomène très important, surtout dans les réactions de précipitation [...] On distingue deux types d'agglomération, classiquement désignés par primaire et secondaire. Agglomération primaire. Elle concerne les microparticules de taille en général inférieure à 1µm [...] Agglomération secondaire. Elle est provoquée soit par le mouvement brownien des particules (agrégation péricinétique), soit par les forces de cisaillement de la suspension dues aux conditions d'agitation (agrégation orthocinétique). 3, record 1, French, - prise%20en%20masse%20des%20cristaux
Record number: 1, Textual support number: 1 OBS
La cristallisation, au sens large du terme, est un changement d'état qui conduit, à partir d'une phase gazeuse ou liquide, à un solide appelé «cristal», de structure régulière et organisée. [...] Dans l'industrie, la cristallisation est une opération unitaire de génie chimique très importante. Elle conduit à des solides de natures très diverses, aussi bien minérales qu'organiques, à l'aide de procédés très variés. 3, record 1, French, - prise%20en%20masse%20des%20cristaux
Record 1, Spanish
Record 1, Textual support, Spanish
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