Membrane Technology for Enzyme Separations - NBV
Membrane Technology for Enzyme Separations - NBV
Membrane Technology for Enzyme Separations - NBV
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<strong>Membrane</strong> <strong>Technology</strong> <strong>for</strong> <strong>Enzyme</strong> <strong>Separations</strong><br />
DSM<br />
<strong>Membrane</strong> types<br />
A. Tubular, typical “specific area”is 65 m2/m3<br />
Drainage is possible, washing is difficult<br />
B. Spiral wound, typical “specific area”is 2000 m2/m3<br />
Drainage and washing is possible<br />
Lab test: Filtration over a 20 kD membrane:<br />
Obtain a permeate from which final product was isolated<br />
with a protein content below detection limit.<br />
Per<strong>for</strong>mance in turbidity test was good.<br />
Product met specification.<br />
Pilot tests:<br />
Tubular and spiral wound membranes:<br />
On spec product obtained.<br />
No technical problems.
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