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The present book contains a comparison of existing theoretical models developed in order to describe membrane separation processes. In general, the permeation equations resulting from these models give inaccurate predictions of the mutual effects of the permeants involved, due to the simplifications adopted in their derivation. It is concluded that an optimum description of transport phenomena in tight (diffusion-type) membranes is achieved with the "solution-diffusion" model. According to this model each component of a fluid mixture to be separated dissolves in the membrane and passes through by diffusion in response to its gradient in the chemical potential. A modified Flory-Huggins equation has been derived to calculate the solubility of the permeants in the membrane material. Contrary to the original Flory-Huggins equation, the modified equation accounts for the large effect on solubility of crystallinity and elastic strain of the polymer chains by swelling. The equilibrium sorption of liquids computed with this equation was found to be in good agreement with experimental results. Also, the sorption of gases in both rubbery and glassy polymers could be described quan titatively with the modified Flory-Huggins equation without any need of the arbitrary Langmuir term, as required in the conventional "dual-mode" sorption model. Furthermore, fewer parameters are required than with the at least identical accuracy.
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Transport Mechanisms in Membrane Separation Processes
Editore:
Plenum Publishing Corporation, 1991
ISBN 10: 0306438496
ISBN 13: 9780306438493
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Hard cover. Sewn binding. Cloth over boards. 212 p. Microdevices. Audience: General/trade. Good. No dust jacket. Ex-library. Former Library Copy with minimal library markings, pocket, else in Very Good condition. Codice articolo Alibris.0001130
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Transport mechanisms in membrane separation processes.
Da: Emile Kerssemakers ILAB, Heerlen, Paesi Bassi
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23 cm. original cloth, gilt. 220 pp. ills, diagrams. references. index. Author\'s copy from his personal library. -(very) good. 515g. Codice articolo 71290
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Transport Mechanisms in Membrane Separation Processes (The Plenum Chemical Engineering Series)
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Condizione: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Clean from markings. In good all round condition. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,600grams, ISBN:0306438496. Codice articolo 9914041
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Transport Mechanisms in Membrane Separation Processes
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Condizione: Gut. Zustand: Gut | Sprache: Englisch | Produktart: Bücher. Codice articolo 8436994/203
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Transport Mechanisms in Membrane Separation Processes
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. The present book contains a comparison of existing theoretical models developed in order to describe membrane separation processes. In general, the permeation equations resulting from these models give inaccurate predictions of the mutual effects of the per. Codice articolo 458416404
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Transport Mechanisms in Membrane Separation Processes
Print on DemandDa: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germania
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present book contains a comparison of existing theoretical models developed in order to describe membrane separation processes. In general, the permeation equations resulting from these models give inaccurate predictions of the mutual effects of the permeants involved, due to the simplifications adopted in their derivation. It is concluded that an optimum description of transport phenomena in tight (diffusion-type) membranes is achieved with the 'solution-diffusion' model. According to this model each component of a fluid mixture to be separated dissolves in the membrane and passes through by diffusion in response to its gradient in the chemical potential. A modified Flory-Huggins equation has been derived to calculate the solubility of the permeants in the membrane material. Contrary to the original Flory-Huggins equation, the modified equation accounts for the large effect on solubility of crystallinity and elastic strain of the polymer chains by swelling. The equilibrium sorption of liquids computed with this equation was found to be in good agreement with experimental results. Also, the sorption of gases in both rubbery and glassy polymers could be described quan titatively with the modified Flory-Huggins equation without any need of the arbitrary Langmuir term, as required in the conventional 'dual-mode' sorption model. Furthermore, fewer parameters are required than with the at least identical accuracy. 240 pp. Englisch. Codice articolo 9780306438493
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Transport Mechanisms in Membrane Separation Processes (The Plenum Chemical Engineering Series)
Da: Salish Sea Books, Bellingham, WA, U.S.A.
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Hardcover. Condizione: Good. 0306438496 Good; Hardcover; 1991, Springer-Verlag Publishing; Former library copy with standard library markings; Light wear to covers with "straight" edge-corners, but with sun-fading to spine; Library stamps to endpapers; Text pages clean & unmarked; Good binding with straight spine; Orange and yellow covers with title in white lettering; 212 pages; "Transport Mechanisms in Membrane Separation Processes (The Plenum Chemical Engineering Series)," by J.G.A. Bitter. Codice articolo SKU-E1500806241
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Transport Mechanisms in Membrane Separation Processes
Da: AHA-BUCH GmbH, Einbeck, Germania
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Buch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - The present book contains a comparison of existing theoretical models developed in order to describe membrane separation processes. In general, the permeation equations resulting from these models give inaccurate predictions of the mutual effects of the permeants involved, due to the simplifications adopted in their derivation. It is concluded that an optimum description of transport phenomena in tight (diffusion-type) membranes is achieved with the 'solution-diffusion' model. According to this model each component of a fluid mixture to be separated dissolves in the membrane and passes through by diffusion in response to its gradient in the chemical potential. A modified Flory-Huggins equation has been derived to calculate the solubility of the permeants in the membrane material. Contrary to the original Flory-Huggins equation, the modified equation accounts for the large effect on solubility of crystallinity and elastic strain of the polymer chains by swelling. The equilibrium sorption of liquids computed with this equation was found to be in good agreement with experimental results. Also, the sorption of gases in both rubbery and glassy polymers could be described quan titatively with the modified Flory-Huggins equation without any need of the arbitrary Langmuir term, as required in the conventional 'dual-mode' sorption model. Furthermore, fewer parameters are required than with the at least identical accuracy. Codice articolo 9780306438493
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Transport Mechanisms in Membrane Separation Processes
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Transport Mechanisms in Membrane Separation Processes
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Springer US, Springer US Jul 1991, 1991
ISBN 10: 0306438496
ISBN 13: 9780306438493
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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germania
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Buch. Condizione: Neu. Neuware -The present book contains a comparison of existing theoretical models developed in order to describe membrane separation processes. In general, the permeation equations resulting from these models give inaccurate predictions of the mutual effects of the permeants involved, due to the simplifications adopted in their derivation. It is concluded that an optimum description of transport phenomena in tight (diffusion-type) membranes is achieved with the 'solution-diffusion' model. According to this model each component of a fluid mixture to be separated dissolves in the membrane and passes through by diffusion in response to its gradient in the chemical potential. A modified Flory-Huggins equation has been derived to calculate the solubility of the permeants in the membrane material. Contrary to the original Flory-Huggins equation, the modified equation accounts for the large effect on solubility of crystallinity and elastic strain of the polymer chains by swelling. The equilibrium sorption of liquids computed with this equation was found to be in good agreement with experimental results. Also, the sorption of gases in both rubbery and glassy polymers could be described quan titatively with the modified Flory-Huggins equation without any need of the arbitrary Langmuir term, as required in the conventional 'dual-mode' sorption model. Furthermore, fewer parameters are required than with the at least identical accuracy.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 240 pp. Englisch. Codice articolo 9780306438493
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