Cartridge Filters and Housings

There are many unit operations that require protection from solids either due to solids interrupting the operation of systems such as reverse osmosis or damaging axial pumps that will be mechanically damaged due to solid ingress. Much like its larger regenerative unit operation cousins of media filtration or self-cleaning strainers, it can filter solid particles at a set physical dimension at a nominal rating (normally below 90% removal rate at a set particle size) below or an absolute rating (normally above 99.8% removal rate at a set particle size). However due to these being single-use items they should be used as police filters and last resort filters rather than bulk removal items.

Filters come in all kinds of shapes, materials, housings, lengths, and ratings and each process has its desired requirements for protection. As such it is important to understand the feed requirements of the unit operation and then design the cartridge filtration system to accommodate limitations of size requirements, removal rating, and to look even further by thinking about downtime created by filter replacement and breakthrough creating challenges further downstream.