Download e-book for kindle: Absorption. Fundamentals & Applications by R. Zarzycki, A. Chacuk and J.M. Coulson (Auth.)

By R. Zarzycki, A. Chacuk and J.M. Coulson (Auth.)

ISBN-10: 0080402623

ISBN-13: 9780080402628

This booklet provides a pragmatic account of the trendy thought of calculation of absorbers for binary and multicomponent actual absorption and absorption with simultaneous chemical response. The booklet comprises components: the idea of absorption and the calculation of absorbers. half I covers easy wisdom on diffusion and the idea of mass move in binary and multicomponent platforms. major tension is laid on diffusion conception simply because this types the root for the absorption technique. within the subsequent chapters the basics of simultaneous mass move and chemical response, the idea of the desorption of gases from beverages and the formula of differential mass balances are mentioned. half II is dedicated to the calculation of absorbers and the type of absorbers. The chapters current calculation tools for the fundamental sorts of absorber with an in depth research of the calculation tools for packed, plate and bubble columns. The authors illustrate the provided fabric with a good number of examples, beginning with basic ones for binary platforms and finishing with column calculation for multicomponent systems.

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Extra info for Absorption. Fundamentals & Applications

Example text

3 9 5 + 0 . 0 8 8 X 5 . 6 using data r from Table 3-5. 509, we have °'1 ?. 6 -I1 . "4 ? Liquid Phase; Nonelectrolyte Solutions Kinematic diffusion -10 -8 coefficients in the liquid phase range from 2 10 to 10 m/s. They depend on the temperature and concentration of a mixture, and to a small extent only, on pressure. Their dependence on pressure can usually be neglected. Diffusion coefficients in liquids increase with temperature. The dependence on the solute concentration and in multicomponent systems on the mixture composition is considerable and should be taken into account (the values for concentrated solutions can be much higher or lower than those for infinite dilute solutions).

N) (3-19) DIFFUSION The following important features of directly from equations (3-12) to (3-17) average fluid velocities Σ J. J. = 0 (3-20) i=1 j η Σ diffusion and the 27 η V " = i Σ v ' = i= 1 Σ J! = 0 (3-21) i=1 Σ ^ £ = ο (3-22) i=1 In the description of diffusion in gases at low density, when molar concentration of a fluid is practically independent of composition, the molar diffusion flux 1 is traditionally used the the with ψ respect to the molar average velocity of the liquid u . In turn, for the description of diffusion in liquids, when the density of the solution ρ changes slightly with its composition, the mass diffusion flux j .

5 3 . 8 2 2 Methanol 5 0 7 3 . 5 8 5 4 0 6 4 . 7 5 9 8 5 5 3 . 3 7 5 Methylene chloride Carbon disulfide Carbon chloride monoxide Carbon tetrachloride Neon Carbonyl Deuterium 3 9 . 3 3 5 . 7 2 . 7 8 0 Nitric 1 19 9 1 . 5 3 . 4 7 0 3 . 6 8 1 Ethane 2 3 0 4.. 4 1 8 n-Octane 3 2 0 7 . 4 5 1 Ethanol 3 9 1 4.. 4 5 5 Oxygen 1 13 3 . 4 3 3 Ethylene 2 0 5 4,. 2 3 2 n-Pentane 3 4 5 5 . 7 6 9 Fluor 1 1 2 3.. 6 53 Propane 2 54 5 . 0 6 1 2. 5 7 6 Sulfur 4 . 2 9 0 Helium 1 0 . 2 2 n-Heptane 2 8 2 8.. 88 dioxide 2 52 n-Hexane 4 1 3 5.

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Absorption. Fundamentals & Applications by R. Zarzycki, A. Chacuk and J.M. Coulson (Auth.)


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