By Robert E. Treybal

ISBN-10: 0070651760

ISBN-13: 9780070651760

Author's function in providing the 3rd version of this booklet remains to be that of the former variation: "to supply a car for educating, both via a proper path or via self-study, the options of, and rules of apparatus layout for, the mass-transfer operations of chemical engineering." As prior to, those operations are mostly the accountability of the chemical engineer, yet more and more practitioners of alternative engineering disciplines are discovering them helpful for his or her paintings. this is often very true for these engaged in pollutants keep an eye on and atmosphere security, the place separation techniques predominate, and in, for instance, extractive metallurgy, the place extra subtle and various equipment of separation are more and more relied upon.

Show description

Read or Download Mass-transfer operations PDF

Similar chemical engineering books

Read e-book online Handbook of RAFT polymerization PDF

Spanning the total box from basics to functions in fabric technology, this one-stop resource is the 1st accomplished reference for polymer, actual and floor chemists, fabrics scientists, chemical engineers, and people chemists operating in undefined. From the contents: advent: dwelling unfastened Radical Polymerization and the RAFT technique basic Structure-Reactivity Correlations Governing the RAFT procedure Mechanism and Kinetics The RAFT procedure as a Kinetic device idea and perform in Technical functions RAFT Polymerization in Bulk and natural Solvents, in addition to Homogeneous Aqueous structures Emulsion and Mini-Emulsion Polymerization advanced structure layout Macromolecular layout through the Interchange of Xanthates floor amendment balance and actual homes of RAFT Polymers Novel fabrics: From Drug supply to Opto-Electronics Outlook and destiny advancements

Download e-book for iPad: Zeolites as Catalysts, Sorbents and Detergent Builders: by H. G. Karge, J. Weitkamp

This new publication can be welcomed by way of businesses concerned about catalysis and catalyst production, sorbent and detergent creation, chemical and petroleum refining, and by way of examine scientists in academia. It includes seventy six unique contributions of modern paintings on basic and technological features of zeolite examine and alertness.

New PDF release: Fluid Mechanics, Heat Transfer, and Mass Transfer: Chemical

This broad-based booklet covers the 3 significant parts of Chemical Engineering. many of the books out there contain one of many person parts, specifically, Fluid Mechanics, warmth move or Mass move, instead of all of the 3. This booklet offers this fabric in one resource. This avoids the consumer having to consult a few books to acquire details.

Additional resources for Mass-transfer operations

Example text

25"C. the concentrations of oxygen at two planes 2 mm apart are 10 and 20 vol %, respectively. Calculate the nux of diffusion of the oxygen for the case where: (a) The nitrogen is nondiffusing. 97 X 10- s kmol/m 2 • s. (b) There is equimolar counterdiffusion of the two gases. 2 Repeat the calculations of Prob. 3 Estimate the diffusivities of the following gas mixtures: (a) Acetone-air. 25 x 10- 6 m2 Is. (b) Nitrogen-carbon dioxide, 1 std atm, 25"C. 57 X 10- 6 m2/s. (d) Toluene-air, I std atm, 30 D C.

Kmol/m2 • s . mole fraction K y , ky[lb/ft . h . 356 X 10- 3) ... kg/m2 • s . 356 x 1O- 3} ... kmol/m2 • s x;.. Volumetric mass-transfer coefficient, mole/Ll9(F /L") and others For volumetric coefficients of the type Ka, ka, Fa, and the like, multiply the conversion factors for the coefficient by that for a. 807) .. 807) ... 59) "" N/m (dyn/cmXIO-') "'" N/m (erg/cm1)(1O-J) ... 88) ... N/m2 - Pa (lb,/in")(6895) = N/m2 ... Pa std atm(L0133 X lOS) - Njm 2 = Pa inHg(3386) ... 1)" N/m2 - Pa (dyn/cm~lO-I) ...

4061 X 10- 3 kgJm . s. t DAD JLI T should be constant: SOLUTION At 20"C. 62 X 10- 9 m 2/s at 10°C Ans. Applications of Molecular Diffusion While the flux relative to the average molar velocity J always means transfer down a concentration gradient, the flux N need not. For example, consider the dissolution of a hydrated salt crystal such as Na2 C03 • lOH2 0 into pure water at 20°C. 9647 mole fraction H 20. 0353 outward to 0 mole fraction N~C03 in the bulk liquid. 0 mole fraction in the bulk liquid.

Download PDF sample

Mass-transfer operations by Robert E. Treybal

by James

Rated 4.54 of 5 – based on 17 votes