Biomedical Engineering Reference
In-Depth Information
Figure 6.24
Photographic representation of a range of fi lter types and their stainless steel housing. Most
fi lters used on an industrial scale are of a pleated cartridge design, which facilitates housing of maximum
fi lter area within a compact space (a). These are generally housed in stainless steel housing units (b). Some
process operations, however, still make use of fl at (disc) fi lters, which are housed in a tripod-based stainless
steel housing (c). All photographs courtesy of Pall Life Sciences, Ireland
The fi nal product containers must also be pre-sterilized. This may be achieved by autoclaving
or passage through special equipment that subjects the vials to a hot WFI rinse, followed by
sterilizing dry heat and UV treatment.
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