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Ultrafiltration uses hollow fibers of membrane material and the feed water flows either inside the shell, or in the lumen of the fibers. Suspended solids and solutes of high molecular weight are retained, while water and low molecular weight solutes pass through the membrane. This separation process is used in industry and research for purifying…

Separation

This question raises the issue that whether or not coeducational system should be banned and schools try to divide students based on their genders. Evidently, some countries are now using this plan as a way of better education. However, as far as I am concerned, we should not separate people in schools based on their…