Your P artners for W ater and W aste W ater T reatment - chriwa.de
Your P artners for W ater and W aste W ater T reatment - chriwa.de
Your P artners for W ater and W aste W ater T reatment - chriwa.de
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Membrane Technology <strong>for</strong> the Beverage <strong>and</strong><br />
Food Industry<br />
Due to the steadily increasing quality requirements<br />
<strong>and</strong> the fast <strong>de</strong>velopment of the membrane<br />
separating technology, a growing<br />
number of customers require the special<br />
Chriwa membrane techniques:<br />
� Microfiltration (MF)<br />
� Ultrafiltration (UF)<br />
� Nanofiltration (NF)<br />
� Reverse Osmosis (RO)<br />
The filtration spectrum<br />
Separation Procedure<br />
Media<br />
M<strong>ater</strong>ials<br />
Nominal Diameter<br />
M<strong>ater</strong>ial Examples<br />
Fields<br />
Molecular Wt.<br />
MG (Dalton)<br />
Scale<br />
18 D<br />
89 D<br />
12 kD<br />
180 kD<br />
1 Å<br />
4 Å<br />
5 Å<br />
7 Å<br />
7 Å<br />
7 Å<br />
8 Å<br />
8 Å<br />
9 Å<br />
W<strong>ater</strong> Molecule<br />
Alanine<br />
Cl- ,OH- ,Na +<br />
Cytochrome c<br />
Glucose<br />
Fe ++<br />
Mn ++<br />
NO3 -<br />
MEMBRANE<br />
Reverse Osmosis<br />
Atomic Radius<br />
10 D 105 10 D<br />
4 D 106 10 D 1 mm<br />
3 10 D<br />
2 D<br />
0,001 mm<br />
0,01 mm<br />
0,1 mm<br />
5 Å<br />
10 Å<br />
Nanofiltration<br />
16 Å<br />
34 Å<br />
35 Å<br />
35 Å<br />
48 Å<br />
54 Å<br />
65 Å<br />
Ca ++ , Mg ++<br />
SO --<br />
4<br />
PTDC Lipi<strong>de</strong> 750 D<br />
Myoglobine 17 kD<br />
Humanalbumine 67 kD<br />
Dextran 250 kD<br />
Hemoglobin 65 kD<br />
0,1 µm 0,5 µm<br />
1000 Å 5000 Å<br />
in nm 1000 104 105 106 1<br />
2,5 5 7,5 25 50 75 250 500 750<br />
2,5 5 7,5 10 25 50 75 100 250 500 750<br />
nm<br />
1 Å = 1 Ångstrøm Unit = 10 -4 Micrometers (Microns) = 10 -4 μm = 10 -10 Meter<br />
Dalton = MG = Molecular Weight<br />
50 Å<br />
Ultrafiltration<br />
Metal Ion Sugar Endotoxin/Pyrogen Activated Carbon Dust Colour Pigments Giardia<br />
Lambia<br />
Ions<br />
Ion Exchanger Range<br />
Saccharose<br />
Low Molecular Solution<br />
Herbici<strong>de</strong>s<br />
Pestici<strong>de</strong>s<br />
100 Å<br />
180 Å<br />
250 Å<br />
400 Å<br />
3 MD<br />
6 MD<br />
Bact.-Ribosomes<br />
Bact.-Viruses jx176<br />
Fibrinogene<br />
500 Å<br />
160 kD<br />
1000 Å<br />
Globuline<br />
Coll. Silicic Acid<br />
470 kD 1500 Å<br />
2000 Å<br />
5000 Å<br />
Myosine<br />
RS-Proteins<br />
Oil Emulsions<br />
Latex<br />
0,3 µm x 0,1 µm<br />
0,5 µm x 1,5 µm<br />
0,6 µm x 1,0 µm<br />
0,8 µm<br />
Rabies Virus<br />
Pseudomonas<br />
Nitrobacteria<br />
Cholera-Bact.<br />
TD<br />
1 µm<br />
1,5 µm<br />
1,5 µm<br />
2 µm<br />
5 µm<br />
12 µm x 5 µm<br />
7 µm x 4 µm<br />
Mould fungus<br />
Yeast<br />
Bacteria<br />
Staphylococcus<br />
Giardia Lambia<br />
Cryptosporidium<br />
7 µm<br />
Erythrocytes<br />
7 µm<br />
10 µm<br />
10 µm x 10 µm<br />
Red Blood Cells<br />
Pollen<br />
Green Algae<br />
Fine Filtration<br />
Livercell<br />
20 µm<br />
Molasses<br />
20 µm<br />
Fine Sludge<br />
50 µm<br />
Fibrous Fruit Juice 80 µm<br />
Blue Algae 60 µm x 2 µm<br />
10 µm<br />
Sieve Filtration<br />
Human Hair Beach S<strong>and</strong><br />
Virus Bacteria Activated Carbon Particle<br />
Colloidal Silicic Acid Carbon Dust<br />
Gelatin<br />
Metalhydroxi<strong>de</strong> (Fe2O3.xMe2O)<br />
Albumin Proteins Asbestos<br />
Microfiltration<br />
Particle Filtration<br />
FILTRATION<br />
SEPARATION SPECTRA<br />
Oil Emulsions<br />
R. Blood<br />
Cells<br />
Yeast<br />
Pollen Pressed Plant Juice<br />
Huminic Substances Fine disp. Emulsion/Latex<br />
Suspension Solid-Liquid Substances<br />
Molecular Macro Molecular Micro Particles<br />
� Inspection <strong>and</strong> approval of a reverse osmosis unit<br />
Indigo<br />
Pigments<br />
Well sump<br />
250 µm<br />
Brackish W<strong>ater</strong> (raw) 500 µm<br />
Diatom Algae 500 µm x 1,9 µm<br />
Macro Particles Particulate Impurities Sievable Graines<br />
100 µm<br />
Ion-Exchanger<br />
Resin<br />
1000 µm
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