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How can hot air dry the filter cake on a rotary-drum vacuum filter?
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filtration
Tap water filtration system.
In certain designs of the rotary-drum vacuum filter, the drum is surrounded by a hood that supplies hot air to the surface of the equipment. As the drum rotates, this hot air circulates over the filter cakeāthe solid mass retained on the filter mediumāto facilitate drying before the material is removed from the drum.1