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<p><a href="page.php?w=crystallization">crystallization</a>. The separation process is purely physical and both fractions (<a href="page.php?w=permeation">permeate</a> and <a href="page.php?w=wikt%3Aretentate">retentate</a>) can be obtained as useful products. Cold separation using membrane technology is widely used in the <a href="page.php?w=food_technology">food technology</a>, <a href="page.php?w=biotechnology">biotechnology</a> and <a href="page.php?w=pharmaceutical">pharmaceutical</a> industries. Furthermore, using membranes enables separations</p><p>
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