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Mathematical Modelling For Prediction Of Effective Interfacial Area And Mass Transfer Coefficients In Packed Columns For Absorption
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Book Synopsis Mathematical Modelling for Prediction of Effective Interfacial Area and Mass Transfer Coefficients in Packed Columns for Absorption by : R. Sengupta
Download or read book Mathematical Modelling for Prediction of Effective Interfacial Area and Mass Transfer Coefficients in Packed Columns for Absorption written by R. Sengupta and published by . This book was released on 1990 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The available experimental data on effective interfacial area and mass transfer coefficients in irrigated packed towers, has been analysed in a systematic manner for the cases of physical absorption and absorption with chemical reaction. Generalised correlations are developed for effective interfacial area, liquid phase and gas phase mass transfer coefficients. Further an attempt has also been made to elucidate the mechanism of mass transfer. It is expected that the correlations developed in this investigation could be utilised conveniently for designing packed absorption towers. [Authors' abstract].
Book Synopsis Packed Bed Columns by : Nikolai Kolev
Download or read book Packed Bed Columns written by Nikolai Kolev and published by Elsevier. This book was released on 2006-08-08 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis 22nd European Symposium on Computer Aided Process Engineering by : David Bogle
Download or read book 22nd European Symposium on Computer Aided Process Engineering written by David Bogle and published by Elsevier. This book was released on 2012-08-03 with total page 1484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer aided process engineering (CAPE) plays a key design and operations role in the process industries. This conference features presentations by CAPE specialists and addresses strategic planning, supply chain issues and the increasingly important area of sustainability audits. Experts collectively highlight the need for CAPE practitioners to embrace the three components of sustainable development: environmental, social and economic progress and the role of systematic and sophisticated CAPE tools in delivering these goals. Contributions from the international community of researchers and engineers using computing-based methods in process engineering Review of the latest developments in process systems engineering Emphasis on a systems approach in tackling industrial and societal grand challenges
Book Synopsis Introduction to Computational Mass Transfer by : Kuo-Tsung Yu
Download or read book Introduction to Computational Mass Transfer written by Kuo-Tsung Yu and published by Springer. This book was released on 2016-09-26 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an easy-to-understand introduction to the computational mass transfer (CMT) method. On the basis of the contents of the first edition, this new edition is characterized by the following additional materials. It describes the successful application of this method to the simulation of the mass transfer process in a fluidized bed, as well as recent investigations and computing methods for predictions for the multi-component mass transfer process. It also demonstrates the general issues concerning computational methods for simulating the mass transfer of the rising bubble process. This new edition has been reorganized by moving the preparatory materials for Computational Fluid Dynamics (CFD) and Computational Heat Transfer into appendices, additions of new chapters, and including three new appendices on, respectively, generalized representation of the two-equation model for the CMT, derivation of the equilibrium distribution function in the lattice-Boltzmann method, and derivation of the Navier-Stokes equation using the lattice-Boltzmann model. This book is a valuable resource for researchers and graduate students in the fields of computational methodologies for the numerical simulation of fluid dynamics, mass and/or heat transfer involved in separation processes (distillation, absorption, extraction, adsorption etc.), chemical/biochemical reactions, and other related processes.
Book Synopsis Mass Transfer Coefficients and Effective Area of Packing by : Chao Wang
Download or read book Mass Transfer Coefficients and Effective Area of Packing written by Chao Wang and published by . This book was released on 2015 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effective mass transfer area (a [subscript e]), liquid film mass transfer coefficient (k [subscript L]), and gas film mass transfer coefficient (k [subscript G]) of eleven structured packings and three random packings were measured consistently in a 0.428 m packed column. Absorption of CO2 with 0.1 gmol/L NaOH with 3.05 m packing was used to measure a [subscript e], while air stripping of toluene from water with 1.83 m packing was used to measure k [subscript L], and absorption of SO2 with 0.1 gmol/L NaOH with 0.51 m packing was used to measure k [subscript G]. The experiments were conducted with liquid load changing from 2.5 to 75 m3/(m2*h) and gas flow rate from 0.6 to 2.3 m/s. Packings with surface area from 125 to 500 m2/m3 and corrugation angle from 45 to 70 degree were tested to explore the effect of packing geometries on mass transfer. The effective area increases with packing surface area and liquid flow rate, and is independent of gas velocity. The packing corrugation angle has an insignificant effect on mass transfer area. The ratio of effective area to surface area decreases as surface area increases due to the limit of packing wettability. A correlation has been developed to predict the mass transfer area with an average deviation of 11%. [Mathematical equation]. The liquid film mass transfer coefficient is only a function of liquid velocity with a power of 0.74, while the gas film mass transfer coefficient is only a function of gas velocity with a power of 0.58. Both k [subscript L] and k [subscript G] increase with packing surface area, and decrease with corrugation angle. A new concept, Mixing Point Density, was introduced to account for effect of the packing geometry on k[subscript L] and k [subscript G]. Mixing Point Density represents the frequency at which liquid film is refreshed and gas is mixed. The mixing point density can be calculated by either packing characteristic length or by surface area and corrugation angle: [mathematical equation]. The dimensionless k [subscript L] and k [subscript G] models can then be developed based on the effects of liquid/gas velocity, mixing point density, packing surface area: [mathematical equation] [mathematical equation]. Mi is the dimensionless form of Mixing Point Density (M), which is M divided by a [subscript P]3. Because Mi is only a function of corrugation angle ([Theta]), it is a convenient transformation to represent the effect of [Theta] on mass transfer parameters. An economic analysis of the absorber was conducted for a 250 MW coal-fired power plant. The optimum operating condition is between 50 to 80 % of flooding, and the optimum design is to use packing with 200 to 250 m2/m3 surface area and high corrugation angle (60 to 70 degree). The minimum total cost ranges from $4.04 to $5.83 per tonne CO2 removed with 8 m PZ.
Download or read book Kekal abadi written by and published by . This book was released on 1992 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical Chemical Engineering Abstracts by :
Download or read book Theoretical Chemical Engineering Abstracts written by and published by . This book was released on 1984 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Transfer in Packed Columns, a Study of Mass Transfer Coefficients and Interfacial Areas for Raschig Rings by : John Oscar Zimmerman
Download or read book Mass Transfer in Packed Columns, a Study of Mass Transfer Coefficients and Interfacial Areas for Raschig Rings written by John Oscar Zimmerman and published by . This book was released on 1953 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interphase Mass Transfer (III) Determination of Interfacial Area in a Packed Column and Investigation of Mass Transfer Model by : C Yucken
Download or read book Interphase Mass Transfer (III) Determination of Interfacial Area in a Packed Column and Investigation of Mass Transfer Model written by C Yucken and published by . This book was released on 1987 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Transfer Coefficients and Interfacial Area in a One Stage Pulse Column by : Alvin Eugene Konopik
Download or read book Mass Transfer Coefficients and Interfacial Area in a One Stage Pulse Column written by Alvin Eugene Konopik and published by . This book was released on 1960 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Absorption written by Roman Zarzycki and published by Pergamon. This book was released on 1993 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paperback. This book gives a practical account of the modern theory of calculation of absorbers for binary and multicomponent physical absorption and absorption with simultaneous chemical reaction. The book consists of two parts: the theory of absorption and the calculation of absorbers. Part I covers basic knowledge on diffusion and the theory of mass transfer in binary and multicomponent systems. Significant stress is laid on diffusion theory because this forms the basis for the absorption process. In the next chapters the fundamentals of simultaneous mass transfer and chemical reaction, the theory of the desorption of gases from liquids and the formulation of differential mass balances are discussed. Part II is devoted to the calculation of absorbers and the classification of absorbers. The chapters present calculation methods for the basic types of absorber with a detailed analysis of the calculation methods for packed, plate and bubble columns. The a
Book Synopsis Mass transfer coefficients and interfacial area for gas absorption by agitated aqueous electrolyte solution by : Campbell William Robinson
Download or read book Mass transfer coefficients and interfacial area for gas absorption by agitated aqueous electrolyte solution written by Campbell William Robinson and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Local Coefficients of Mass Transfer in a Packed Absorption Column by : William Rodney Millard
Download or read book Local Coefficients of Mass Transfer in a Packed Absorption Column written by William Rodney Millard and published by . This book was released on 1950 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Transfer Coefficients Determined by Simplex Optimization Techniques by : Charles Callihan
Download or read book Mass Transfer Coefficients Determined by Simplex Optimization Techniques written by Charles Callihan and published by . This book was released on 1973 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MASS TRANSFER COEFFICIENTS AND INTERFACIAL AREA IN A ONE STAGE PULSE COLUMN. by :
Download or read book MASS TRANSFER COEFFICIENTS AND INTERFACIAL AREA IN A ONE STAGE PULSE COLUMN. written by and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Over-all mass transfer coefficients were determined independently of the interfacial area by considering the operation of the pulse column to be a stage- wise process. The calculated coefficients describe only the operation of the pulse column for the free rise of organic droplets through a stage, since in the downstroke the aqueous phase passes through the organic phase in the form of rivulets preferentially wetting the plates. The driving force for transfer was based on the aqueous phase concentrations. The mass transfer coefficient was found to increase when the interfacial tension was reduced. Two factors appear to affect the mass transfer coefficient as the pulse frequency is changed and are: a) recycle or backmixing which tends to decrease the coefficient through a reduction of acetic acid in both phases and thereby increases the interfacial tension, and b) turbulence which enhances the coefficient by reducing the continuous film resistance. The first is important at or near the lower flooding limit, but the latter is the controlling factor at higher frequencies. (D.L.C.).
Book Synopsis MASS TRANSFER COEFFICIENTS AND INTERFACIAL AREA FOR GAS ABSORPTION BY AGITATED AQUEOUS ELECTROLYTE SOLUTIONS. by :
Download or read book MASS TRANSFER COEFFICIENTS AND INTERFACIAL AREA FOR GAS ABSORPTION BY AGITATED AQUEOUS ELECTROLYTE SOLUTIONS. written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Transfer and Absorbers by : Tadeusz Hobler
Download or read book Mass Transfer and Absorbers written by Tadeusz Hobler and published by Pergamon. This book was released on 1966 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
