A hollow-fiber module has 4,000 ft2 of membrane surface area based on the size of the fibers, which are 42 µm i.d.x85µm o.d.x 1.2 m long each. Determine the: (a) number of hollow fibers in the module; (b) diameter of the module, assuming the fibers are on a square spacing of 120 µm center-to-center; and (c) membrane surface area per unit volume of module m2/m3. Compare result with Table. Plate-and-FrameSpiral-WoundTubularHollow-FiberPacking density, m²/m³Resistance to foulingEase of cleaning30 to 500200 to 80030 to 200500 to 9,000GoodRectangula ModerateVery goodPoorGoodFairExcellentPoorRelative costHighLowHighLowMain applicationsD, RO, PV, UF, MFD, RO, GP, UF, MFRO, UFD, RO, GP, UF

Total membrane surface area of the hollow fiber module, A = 4000 ft2 Inside diameter of the fiber,…

Answered: Plate-and-Frame Spiral-Wound Tubular…

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

Problem 1.1P

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A hollow-fiber module has 4,000 ft² of membrane surface area based on the size of the fibers, which are 42 µm i.d.x85µm o.d.x 1.2 m long each. Determine the: (a) number of hollow fibers in the module; (b) diameter of the module, assuming the fibers are on a square spacing of 120 µm center-to-center; and (c) membrane surface area per unit volume of module m²/m³. Compare result with Table.

Plate-and-Frame
Spiral-Wound
Tubular
Hollow-Fiber
Packing density, m²/m³
Resistance to fouling
Ease of cleaning
30 to 500
200 to 800
30 to 200
500 to 9,000
Good
Rectangula Moderate
Very good
Poor
Good
Fair
Excellent
Poor
Relative cost
High
Low
High
Low
Main applications
D, RO, PV, UF, MF
D, RO, GP, UF, MF
RO, UF
D, RO, GP, UF

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