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Problem 3. ( An injectable slow release drug consists of small (1.00 μum diameter) spheres containing a pure drug (component A) surrounded by a thin (200 nm) polymer membrane. The mass transfer in the liquid outside the capsules (liquid B) can be assume to behave like mass transfer in a suspension. He = 1.25 CP Pc = 1.12 g/cm³ Pparticle=1.05 g/cm³ DAB=0.735 x 105 cm²/s a) Determine the mass transfer coefficient (k.) in cm/s outside the spherical capsule. (sto

Problem 3. ( An injectable slow release drug consists of small (1.00 μum diameter) spheres containing a pure drug (component A) surrounded by a thin (200 nm) polymer membrane. The mass transfer in the liquid outside the capsules (liquid B) can be assume to behave like mass transfer in a suspension. He = 1.25 CP Pc = 1.12 g/cm³ Pparticle=1.05 g/cm³ DAB=0.735 x 105 cm²/s a) Determine the mass transfer coefficient (k.) in cm/s outside the spherical capsule. (sto

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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Problem 3. ( An injectable slow release drug consists of small (1.00 um diameter) spheres containing a pure drug (component A) surrounded by a thin (200 nm) polymermembrane. The mass transferin the liquid outside the capsules (liquid B) can be assume to behave like mass transfer in a suspension. He = 1.25 cP Pe = 1.12 g/cm Pparticle = 1.05 g/cm DAS = 0.735 x 10$ cm²/s %3D a) Determine the mass transfer coefficient (k.') in cm/s outside the spherical capsule. (xto
Transcribed Image Text:Problem 3. ( An injectable slow release drug consists of small (1.00 um diameter) spheres containing a pure drug (component A) surrounded by a thin (200 nm) polymermembrane. The mass transferin the liquid outside the capsules (liquid B) can be assume to behave like mass transfer in a suspension. He = 1.25 cP Pe = 1.12 g/cm Pparticle = 1.05 g/cm DAS = 0.735 x 10$ cm²/s %3D a) Determine the mass transfer coefficient (k.') in cm/s outside the spherical capsule. (xto
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