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Comment Separation Processes

Wire Meshes in Filtration

By Chemical Engineering |

Fabricated metal-wire mesh is one of the major categories of filter media. Woven metal cloths are often used to support a filter aid coating or a bed of granular or porous material. Proper selection of wire cloth can have a large impact on the cost and efficiency of the system. This column provides information on the options available for wire meshes in industrial filtration applications. Key questions for selection Before selecting a wire mesh for filtration, consider the following questions: Is the mesh product capable of withstanding the system pressures encountered in the given application? Is the mesh designed to avoid clogging during filtration? In the event of clogging, will the mesh withstand the added strain or is it likely to collapse? Is the mesh sized such that particles are retained in normal use? Will the mesh allow the desired flow? Has the system been designed to minimize pressure loss? Have the corrosion properties of the fluid been considered relative to the mesh material? Are proper alloys available and specified? Will the product fit the filtration system without requiring field modification? Can the mesh be successfully back-washed, or must it be removed for cleaning? If it must be removed, is it easy to take…
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