Kieselguhr plate-and-frame filters Relicts from the past or classics with a future?
Kieselguhr plate-and-frame filters, as depth filters, belong to the classical filtration systems. Due to their reliability and low operating costs, they are enjoying increasing popularity. Peripherals of the filter such as buffer tank units before and after the filter lines to absorb pressure surges, a correctly sized and properly located carbona-tion unit with integrated pressure holding valve, introduction of tangential flow technology in the frame filter, oxygen-free operation as well as an integrated draw-off tank to avoid yeast surges, all these components must be part of a complete filtration line. The actual filter run time is then approx. 19 to 21 hours.
Full utilisation of the PVPP filter is an added bonus, i.e.
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