Fundamentals of Momentum, Heat and Mass Transfer
6th Edition
ISBN: 9781118804292
Author: WELTY
Publisher: DGTL BNCOM
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Chapter 2, Problem 2.6P
Interpretation Introduction
Interpretation: In a fluid of given density, Gauge pressure at a particular depth is to be calculated.
Concept introduction: Gauge pressure is the pressure excess to the atmospheric pressure with respect to the direction. It is negative for the pressures below atmospheric pressure and positive for the pressures above atmospheric pressures.
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9.5 Comparison of Three Scale-up Methods for a Crystallization A batch crystal-
lization of an antibiotic was performed using a volume of 750 ml in the laboratory
with a 3.5 cm diameter impeller at a speed of 600 rpm, the minimum speed required
to fully suspend the crystals. Estimate the size of the impeller and the impeller speed
for scale-up to 250 liters for each of the following three assumptions as a basis for
scale-up: (1) constant power per volume, (2) constant impeller tip speed, and (3) full
suspension of crystals (at minimum speed).
8.3 Fractionation of a Protein Solution
Four proteins are dissolved in solution. The
constants in the Cohn equation (see Example 8.1) for the proteins are given in
Table P8.3 along with the concentration of each protein in solution. Assume that
the Cohn equation constants are valid when other proteins are present.
(a) Determine the maximum percentage recovery of protein 4 that can be obtained if
it is desired to obtain a precipitate containing 100% protein 4.
(b) Determine the maximum percentage recovery of protein 3 that can be obtained if
it is desired to obtain a mother liquor containing 99% protein 3.
TABLE P8.3
Protein
β
K(M-1)
Concentration (g/liter)
1
6.30
2.84
0.3
234
10.20
4.34
0.4
8.60
2.48
5.0
8.00
3.97
10.0
Please solve 5.2 (a) and (b)
Chapter 2 Solutions
Fundamentals of Momentum, Heat and Mass Transfer
Ch. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10P
Ch. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32P
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