P. CARIO (1), G. Goemaere (2), A. Ostinelli (1); (1) AEB-Group,
Gretz-Armainvilliers, France; (2) AEB-Group, San Francisco, U.S.A.
Poster
The objective of this innovative method is to optimize beer filtration
with the application of DE-free single pre-coat and body feed. Such
auxiliaries, mainly composed with cellulose fibers on a perlite support,
have been developed, tested, and validated on frame, horizontal plate,
and candle filters through pilot and industrial applications: three
breweries with 25,000, 250,000, and 1,600,000 hL capacities participated
in setting up the trials. The qualitative and efficient parameters of
beer filtration have been followed: turbidity (EBC 25° and 90°),
microbiology (cell/mL), evolution of pressure (delta p/hr), continuous
dosing (body feed, g/hL) and sludge volume, length of cycle, and
economical performance (cost/hL). The unique pre-coat Fibroxcel Uni and
the body feeds Spindacel and Fibrosteril were analyzed in terms of
granulometry (Malvern), permeability (Darcy, L/min/m²), and
soluble heavy metals. Their dosage was adapted according to the type of
beer to be filtered (cells/mL and EBC 90° of green beer). Finally,
soluble molecules such as iron were compared with traditional
diatomaceous earth filtration under industrial conditions of filtration,
including the impact on organoleptic evaluation of the final product.
Philippe Cario is manager of the Beverage Division within AEB-Group.
He received a master’s degree in France in 1993, with a specialization
in audit and quality. After he worked in this field for Pernod Ricard
Group, he followed an MBA program at the University of Southern Colorado
before working in Los Angeles and Milan. Since 1998, based closed to
Paris within AEB-Group, he has been working actively to support
breweries worldwide, especially in the field of clarification, flavor,
and colloidal stability, as well as filtration. He has published a
number of research papers in this field.
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