Page 367 - Chemical process engineering design and economics

346 Chapter 6

Table 6.31 Minimum NETS and Volumetric Efficiency for the Karr, Recip-
rocating-Plate Extractor (Source: Ref. 61 with permission).

Agitator Volumetric
Plate speed, efficiencies
Column Amplitude, spacing, strokes/ Dispersed Min Throughput. VI/HETS.
diam, in in in min Extractant phase HETS gal/(h)(ft-) h-'
I. System: MIBK-Acetic Acid- Water
1 K 1 360 MIBK Water 3.1 572 2»6
401 2.8 913 523
1 K 1 278 Water MIBK 4.2 459 175
152 8.1 1030 204
3 '•/, 1 33(1 MIBK Water 4.9 600 196
V, 1 245 S.3 1193 304
K 2 355 7.5 1837 3B3
S 1 320 Water Water 4.3 548 205
f, 1 230 6.7 1168 280
K 2 367 Water Waler 5.0 1172 376
241) 7.75 1707 353
12 K ] 430 Water MIBK 5.8 547 151
(with 285 5.7 1167 328
haHIr) !4 1 244 MIBK MIBK 4.4 599 218
170 5.6 1193 342
X 1 250 MIBK Water 7.2 602 134
225 7.2 1200 268
150 14.0 1821 208
K 1 225 Water Water 7.0 555 127
200 9.5 1170 197
150 11.05 1694 246
y, 1 275 Water MIBK 9.5 1179 199
x 1 •200 MIBK MIBK 7.8 595 123
150 6.2 1202 311
11. System: Xylene-Acetic Acid-Water
3 i 1 267 Water Water 9.1 424 75
3 >t 1 537 Water Water 8.2 424 S3
3 K 1 995 Water Water 7.7 424 88
3 1 •2 340 Water Water B.I 804 142
36 1 I 168 Water Water 23.3 425 29'
36 1 1 168 Xylene Water 20.0 442 3K*

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