MATHEMATICAL-MODELING OF HEAT AND MASS-TRANSFER IN PACKED-BED ADSORBERS REGENERATORS

GOUVALIAS, GS; MARKATOS, NC

dc.contributor.author	GOUVALIAS, GS	en
dc.contributor.author	MARKATOS, NC	en
dc.date.accessioned	2014-03-01T01:09:27Z
dc.date.available	2014-03-01T01:09:27Z
dc.date.issued	1993	en
dc.identifier.issn	0001-1541	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10991
dc.subject	Heat and Mass Transfer	en
dc.subject	Mathematical Model	en
dc.subject	Packed Bed	en
dc.subject.classification	Engineering, Chemical	en
dc.subject.other	FIXED-BED	en
dc.subject.other	ADSORPTION	en
dc.subject.other	FLOW	en
dc.subject.other	SOLUTES	en
dc.title	MATHEMATICAL-MODELING OF HEAT AND MASS-TRANSFER IN PACKED-BED ADSORBERS REGENERATORS	en
heal.type	journalArticle	en
heal.identifier.primary	10.1002/aic.690391108	en
heal.identifier.secondary	http://dx.doi.org/10.1002/aic.690391108	en
heal.language	English	en
heal.publicationDate	1993	en
heal.abstract	Nonisothermal adsorption is studied by incorporating its mathematical description into a model consisting of the full two-dimensional Navier-Stokes equations and energy and species concentration equations to simulate the processes in fixed-bed industrial adsorbers/regenerators. The model partial-differential equations are solved numerically by using well-established computational fluid dynamics techniques. The equilibrium between gas and solid is considered nonlinear, which is described by Freundlich-type equations. The transport and adsorption of a compound from a solvent to and into an adsorbent are described by a two-step process: transport through the ''film'' to the outer surface of the particle and diffusion into the porous particle. The effect of fill resistance is discussed, as well as a two-equation turbulence model. Solutions obtained for a typical industrial adsorber/regenerator demonstrate the potential of this method. The computed results for various flow ratios and parameters in the Freundlich equations are shown to be physically plausible.	en
heal.publisher	AMER INST CHEMICAL ENGINEERS	en
heal.journalName	AICHE JOURNAL	en
dc.identifier.doi	10.1002/aic.690391108	en
dc.identifier.isi	ISI:A1993MD36600007	en
dc.identifier.volume	39	en
dc.identifier.issue	11	en
dc.identifier.spage	1799	en
dc.identifier.epage	1809	en