Throughout any filtration procedure, the filtrate must work its way against the resistance of the ___________________?
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Answer: D. All A., B. and C.
Explanation
Slurry must flow through inlet channels before ever reaching the filter medium. As solids accumulate, the growing filter cake adds significant hydraulic resistance. The filter cloth or septum itself presents inherent resistance to fluid permeation. Filtration involves forcing a liquid-solid suspension through a porous barrier. Total pressure drop across a filter equals the sum of individual system resistances. Darcy's law governs fluid flow through porous media and packed filter cakes.
Designers calculate all resistance components to size pumps and piping accurately. Ignoring channel or medium resistance leads to errors in industrial filter sizing. Monitoring total pressure drop helps operators detect filter blinding and cake compaction. Option a ignores the resistance contributed by the filter cake and supply channels. Option b overlooks the permanent resistance of the filter medium and feed piping. Option c focuses only on transport channels while ignoring the actual cake and medium.
- Subject
- Engineering
- Category
- Chemical Engineering
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- —
- Difficulty
- medium
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