Page 7 - Parker - Bottled water filtration

Application 2. Pre-stabilization

Understanding the application Membrane filter
protection

The primary function of pre-stabilization As the product water moves through the
filters is to protect the final membrane bottling facility, intermediate storage
filters from colloidal particulate. may be necessary. Pre-stabilization Pre-stabilization
filters will limit the levels of
Most waters, while appearing visually microorganisms entering the
➋ clear, actually have a very large amount storage tanks so the potential for
➌ of suspended solids moving in solution. biofilm development will be reduced.
These are called colloids and are This control on microbial growth within Key filter requirements
generally sub-micron in size. The main the facility will optimize the operation • Retention to colloidal species
constituents of these colloidal species of the final stabilization filters prior to • Stable construction for reliable
are ions (Fe ) which have leached into bottling and return a more hygienic retention
3+
the water from the source associated processing environment. • Strength to withstand CIP
with organic material. These small, • High flowing
suspended particles are the major
cause of membrane filter blockage,
so their removal prior to membrane
filtration will result in longer service life ➋ NEW
of the membranes and lower long-term PREPOR PP PREPOR NG
running costs.
• Microbial reduction • Retention to 0.5 µm
• Excellent mechanical absolute
strength • More retentive advanced
depth construction
• Superior membrane
protection
➌
PEPLYN PLUS PEPLYN HA

• Absolute retention at a • High area to give
range of micron grades long life
• Designed for backwash
regeneration
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Size guide
10-15l/min/10¨cartridge
0.6-0.9m 3 /h/10¨cartridge
See page 15 for rating guide | 7