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De-Calcification of UF Permeate

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Complete process essentials

Calcium Phosphate is precipitated from Whey UF permeate under controlled process parameters. Subsequently it is separated using Centrifugal separation and / or Membrane Filtration.

Calcium phosphate is precipitated with a combination of thermal and chemical treatments.

The relevant range of interest in membrane filtration is Ultrafiltration. Nominal membrane porosity is in the 10,000 to 200,000 Dalton range depending on desired product composition.

Permeate Composition

The table lists typical component compositions for both acid whey and sweet whey.

Values are stated on a dry-weight basis.

Composition of permeate (% of TS)
 
Acid whey (Casein) Permeate
Sweet whey Permeate
True Protein
0.5
0.5
NPN
3.0
3.5
Lactose
80.5
84.0
Acid (organic)
2.5
3.0
Ash
13.5
9.0
Calcium
2.0
0.6

 

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3068
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info@geafiltration.com.au

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GEA Filtration • Hudson, WI 54016, US • Telephone: + 1-715-386-9371 • Telefax: + 1-715-386-9376 • Email: gea.filtration@geagroup.com
GEA Filtration • Skanderborg, Denmark • Telephone:+ 45 70 15 2200 • Telefax:+ 45 70 15 2244 • Email: gea.filtration@geagroup.com
GEA Filtration • Ettlingen, Germany • Telephone: +49-7243 7050 • Telefax: + 49-7243 7053 30 • E-mail: gea.filtration@geagroup.com
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