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<a accesskey="3" href="page.php?w=Filtration&amp;p=2">3.Next</a>
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<p><b>Filtration</b> is a physical <a href="page.php?w=separation_process">separation process</a> that separates <a href="page.php?w=solid">solid</a> matter and <a href="page.php?w=fluid">fluid</a> from a mixture using a filter medium that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate. Oversize particles may form a <a href="page.php?w=filter_cake">filter cake</a> on top of the filter and may</p><p>
<a accesskey="3" href="page.php?w=Filtration&amp;p=2">3.Next</a>
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