ity whilst protecting the taste characteris-
to be custom-designed, disassembled
ile filtration has over pasteurization, such
tics of the premium lager. Sterile filtration
and transported before it could be re-
as reducing product losses and energy
solutions provided by Parker Bioscience
built and installed on site.
costs, while protecting taste from the
Filtration are designed to allow brewers
Agidens used the flexible software
effects of heat treatment and increasing
to significantly reduce the costs of mi-
platform Siemens TIA for this CSM. This
shelf life.
crobial stabilization while protecting the
state-of-the-art platform lends itself per-
beer’s sensory appeal.
fectly to modular skid construction, such
“The microbial stabilization of beer is
as the usage of the standard filter skids,
of critical importance for the shelf-life
Parker Bioscience Filtration’s Bevpor BR
simplifying maintenance and offering
of beers and an increasing number of
range of filters have been constructed
possibilities for expansion.
brewers are turning to sterile filtration as a reliable method to ensure a longer
with a unique Polyethersulphone (PES)
shelf-life of their packaged beer.
membrane, offering a long service life
The CSM 12-250 installed at the Za-
and therefore a highly efficient and low
grebačka pivovara brewery filters an av-
cost of operation in sterile filtration of
erage of 250 hectolitres of beer per hour.
“Many brewery operations have been
beer applications.
Commenting on the installation, Tomislav
moving away from flash pasteurization
Rorbach, process optimization rngineer at
due to its negative impact on the flavour
The company’s Prepor NG filters have
Zagrebačka pivovara, said: “The cooper-
profile of the end product and the many
been specifically developed to remove
ation with Agidens was flawless and they
advantages offered by sterile filtration.”
yeast and particulate such as filter aids
have fully met our expectations with their
According to the manufactyrer, the sterile
and haze components. This superior level
CSM module.”
filtration process is gentler, compared to the harsh process of flash pasteuri-
of retention ensures that a consistent quality of brew is delivered to bright beer
Lee Pattison, product manager for food
zation and this helps the beer to retain
storage whilst also offering a greater level
and beverage at Parker Bioscience Fil-
its unique and desirable characteristics
of membrane filter protection during cold
tration, added: “We’re delighted that our
more efficiently than beer stabilized
stabilization.
partnership with Agidens Process Auto-
through flash pasteurization.
mation has been able to create an effecIn just five months, Agidens’ engineering
tive solution for Zagrebačka pivovara.
Other advantages include the perfor-
team was able to provide a tailor-made
“It is an example of how breweries are
mance of sterile filtration which can
CSM solution that was integrated into
able to tap into Parker Bioscience Filtra-
more easily be monitored, because of
the brewery’s existing production line.
tion and Agidens Process Automation’s
the relative simplicity of cold stabilization
The CSM installation consists of three
combined expertise in order to access
systems. While the filters used in sterile
modules: a filtration skid, a distribution
innovative sterile filtration technology.
filtration minimize adsorption of desirable components and help to protect beer
cluster and a CIP skid - for a total length of 6.75 metres.
“By using cold stabilization modules in
head retention Beer losses when using
The site was only accessible via a small
their processes, breweries can benefit
sterile filtration can be significantly lower
elevator which meant that the CSM had
from the numerous advantages that ster-
than flash pasteurization.
brewersjournal.info
SUMMER 2020
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