Gas Phase Axial Dispersion in a Counter-current Packed Absorption Column PDF Download
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Author: Betty Ann Cooper
Publisher:
ISBN:
Category :
Languages : en
Pages : 284
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Book Description
Author: Betty Ann Cooper
Publisher:
ISBN:
Category :
Languages : en
Pages : 284
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Book Description
Author: William E. Dunn
Publisher:
ISBN:
Category : Dispersion
Languages : en
Pages : 78
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Book Description
Author: Richard Darton
Publisher: IChemE
ISBN: 9780852953938
Category : Science
Languages : en
Pages : 510
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Book Description
This volume presents reports from the 1997 conference, held in Maastricht, Netherlands. The papers, covering a broad range of topics from the estimation of physical properties to the design and performance of contacting trays, demonstrate the high rate of advance in technology.
Author: Nikolai Kolev
Publisher: Elsevier
ISBN: 0080463924
Category : Technology & Engineering
Languages : en
Pages : 709
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Book Description
Packed bed columns are largely employed for absorption, desorption, rectification and direct heat transfer processes in chemical and food industry, environmental protection and also processes in thermal power stations like water purification, flue gas heat utilization and SO2 removal. These Separation processes, are estimated to account for 40%-70% of capital and operating costs in process industry. Packed bed columns are widely employed in this area. Their usage also for direct heat transfer between gas and liquid, enlarge their importance. They are the best apparatuses, from thermodynamical point of view, for mass and heat transfer processes between gas and liquid phase. Their wide spreading is due to low capital investments and operating costs. Since 1995 there has not been published a specialised book in this area, and this is a period of quick development of packed columns. Packed Bed Columns reflects the state of this field including the author's experience on creating and investigating of new packings, column internals and industrial columns. - Considers the theories of mass transfer processes and shows how they help the construction of highly effective packings - Complete information about the performance characteristics of different modern types of highly effective packings - Considers the models for calculation and areas of their application
Author: Trung Tri Doan
Publisher:
ISBN:
Category :
Languages : en
Pages : 290
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Book Description
Author: Tapio O. Salmi
Publisher: CRC Press
ISBN: 1351778080
Category : Science
Languages : en
Pages : 684
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Book Description
The role of the chemical reactor is crucial for the industrial conversion of raw materials into products and numerous factors must be considered when selecting an appropriate and efficient chemical reactor. Chemical Reaction Engineering and Reactor Technology defines the qualitative aspects that affect the selection of an industrial chemical reactor and couples various reactor models to case-specific kinetic expressions for chemical processes. Thoroughly revised and updated, this much-anticipated Second Edition addresses the rapid academic and industrial development of chemical reaction engineering. Offering a systematic development of the chemical reaction engineering concept, this volume explores: essential stoichiometric, kinetic, and thermodynamic terms needed in the analysis of chemical reactors homogeneous and heterogeneous reactors reactor optimization aspects residence time distributions and non-ideal flow conditions in industrial reactors solutions of algebraic and ordinary differential equation systems gas- and liquid-phase diffusion coefficients and gas-film coefficients correlations for gas-liquid systems solubilities of gases in liquids guidelines for laboratory reactors and the estimation of kinetic parameters The authors pay special attention to the exact formulations and derivations of mass energy balances and their numerical solutions. Richly illustrated and containing exercises and solutions covering a number of processes, from oil refining to the development of specialty and fine chemicals, the text provides a clear understanding of chemical reactor analysis and design.
Author: David B. Kellermann
Publisher:
ISBN:
Category :
Languages : en
Pages : 122
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Book Description
Author: Tracy T. Word
Publisher:
ISBN:
Category : Dispersion
Languages : en
Pages : 70
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Book Description
Author: John Anthony Frew
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 358
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Book Description
Author: Sundareswaran Parameswaran Iyer
Publisher:
ISBN:
Category : Axial flow
Languages : en
Pages : 196
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Book Description
"The effect of axial mixing in the liquid phase on the performance of a gas absorption column was studied using the experimental data of Michael Brittan for the carbon dioxide and water system. In this study, piston flow conditions were assumed for the gas phase. A one-parameter mathematical model, which characterized the flow regimes in both the gas and the liquid phases undergoing plug flow conditions, was first curve fitted for its unknown parameter (i.e. the Number of Transfer Units) by a non-linear regression analysis procedure. The "AAPD" (i.e. the Average Absolute Percentage Deviation between the predicted value of the gas phase concentration and the experimental data) was also computed for each set of data. An attempt was made to curve-fit a two-parameter mathematical model, which assumed plug flow in the gas phase but axial mixing in the water phase, by a similar non-linear regression analysis procedure. However, in the iterative technique used, the values of the unknown parameters (i.e., the water phase axial mixing parameter and the number of transfer units) failed to converge. As an alternate to this procedure a graphical method was used to study the effect of the axial mixing parameter on the value of the "AAPD". The results obtained from the analysis of the two mathematical models were examined. A comparison showed that the "AAPD" computed for both the models were very close; hence, it was concluded that the effect of axial mixing in the water phase, for the nitrogen carbon dioxide-water system based on the data obtained by Brittan and Woodburn(2) has little influence on the gas-absorption column--Abstract, leaves iv-v.
