Example 8.2. Calculation of an AcetoneAcetic Add Exchanger. Acetone
(s :- 0.79) at. 250? is to be sent to storage at 100F and at a rate of 60. lb/hr.
The heat will be method by 185,m01b/hr of 100 per cent acetic acid (a - 1.07) Gaming
from storage at. DOT
(8) T. and f5: These liquids are not viscous, and the viscosity correction will be negligi-
ble, 4:. gs. - 1. Average temperatures may be used.
Hot uid: shell side, acetone Cold uid: lube aide, acetic acid
(5') a. - ID x 03/144132 [Eq. (7.1)] (5) a; - 0.2
D. N 1
(3') 1). -W (a) a, . 570.000;
5.22 X 10 DJ. Vii/2g, - 0.0% ms. 27]
. W AP, . 3(4n/s)(V/20) [Eq. (7.46)!
5.22 X 10" X 0.079 X 0.79 X 1.0 3 X 4 X 2
() AP: 1" AP: 1 AP:- [EEL (7.47)]
- 3.8 + 1.4 - 5.2 psi
FLOW ARRANGEMENTS FQR INCREASED HEAT RECOVERY 185
pitch. The bundles are arranged for two tube passes with segmental baes spaced 5
How many of the 1-2 exchangers should be installed in series?
Shell side Tube aide
ID - 21% in
Production of Formalin from Methanol
JWR, a chemical corporation, is a diversified company. Current economic
conditions have made JWR embark on a restructuring program in which it will focus on
commodity chemicals while it divests itself of spe