Whey Demineralization: Various Process Options According to Plant
Whey Demineralization: Various Process Options According to Plant
Whey Demineralization: Various Process Options According to Plant
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<strong>Whey</strong> processing: DK + NF + IX Combination<br />
Total Effluent:<br />
905 m 3 /d<br />
Ash:12.3 t/day<br />
COD 8.2 t/d<br />
Pre-concentrated<br />
~ 50% demin<br />
Sweet <strong>Whey</strong><br />
1000 m 3 /d (~ 183 gpm)<br />
6.6% DS 68 mt/d<br />
(150000 lb/d)<br />
8.6% ash/DS<br />
SBA<br />
Cl -<br />
SAC<br />
Na +<br />
SBA<br />
Cl -<br />
SAC<br />
Na +<br />
“Soft <strong>Whey</strong>”<br />
1041 m 3 /d<br />
6.4 % DS<br />
6% ash<br />
NF<br />
20 – 25 Bars VCF 3<br />
Permeate<br />
752 m 3 /d<br />
138 gpm<br />
Retentate<br />
289 m 3 /d<br />
20% DS<br />
4.8% ash<br />
Retentate<br />
Regenerant<br />
75 m 3 /d<br />
Ash: ~50 g/l<br />
Comments:<br />
(4850 lb/d)<br />
The NF performance is enhanced through<br />
divalent ions removal (up <strong>to</strong> 50% predemineralization<br />
and higher DS feed for IX<br />
system). The IX step brings it up <strong>to</strong> 90%<br />
with a smaller unit, using less resins, less<br />
water and less chemicals. An RO unit<br />
allows <strong>to</strong> recover process water<br />
RO<br />
30 bars VCF 5<br />
Demineralized<br />
<strong>Whey</strong><br />
358 m 3 /d (~ 66 gpm)<br />
16% DS 59 mt/d<br />
(130000 lb/d)<br />
Less 1% ash/DS<br />
RO WATER<br />
677 m 3 /d<br />
For DIAF,<br />
Regeneration<br />
Cleaning<br />
SAC<br />
H +<br />
WBA<br />
OH-<br />
HCl 3.7 t/d<br />
NaOH 3.1 t/d<br />
11<br />
Industrial Biotech / APPLEXION
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