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- W1997550309 abstract "The spouted bed, though originally developed for drying of coarse granular solids, has, over the last decade, proved to be of interest for carrying out a remarkably wide variety of operations. These include not only other diffusional and/or thermal operations such as heating or cooling of solids, drying of solutions and suspensions onto inert bed particles, particle coating, and granulation, but also certain mechanical functions like solids blending, comminution and aerosol collection from a gas stream. The use of spouted bed reactors for several chemical processes — coal carbonization, shale pyrolysis, ore roasting, cement clinker production, and thermal cracking of petroleum — has also received attention. This paper presents a review of the above developments, supplemented in a few cases by recent results of research being carried out at the University of British Columbia. The particular features of a spouted bed which play the key role in each type of application are identified, some new applications are suggested and consideration given to the future industrial potential of individual processes. Le lit spécial fluidisé avec giclage (spouted bed), bien qu'il ait été originellement mis au point pour sécher des matières solides à gros grains, s'est avéré intéressant depuis la dernière décennie pour effectuer des opérations très variées. Parmi lesdites opérations, on peut citer non seulement celles qui sont basées sur la diffusion et/ou la chaleur (chauffage ou refroidissement de matières solides, séchage de solutions et de suspensions sur les particules inertes du lit, enrobage des particles et granulation), mais aussi certaines fonctions mécaniques (mélanges de matières solides, réduction en petits fragments et captage des aérosols d'un courant gazeux). L'emploi du lit fluidisé avec giclage dans plusieurs procédés chimiques (carbonisation du charbon, pyrolyse des schistes argileux, grillage des minerals, production de ciment non broyé et craquage thermique du pétrole) a aussi retenu l'attention. On fait, dans le présent travail, une revue des développements précités et y ajoute dans certains cas les résultats récents de travaux de recherches exécutés à l'Université de Colombie britannique. On identifie les caractéristiques particulières d'un lit fluidisé avec giclage qui jouent le principal rǒle dans chaque type d'application; on suggère également des nouvelles applications et considère le potentiel industriel, dans l'avenir, pour des procédés individuels." @default.
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- W1997550309 date "1974-04-01" @default.
- W1997550309 modified "2023-10-16" @default.
- W1997550309 title "Developments in spouted bed technology" @default.
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- W1997550309 doi "https://doi.org/10.1002/cjce.5450520201" @default.
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