Precoat filtration
Establishing the initial filter surface and protecting the septum from blinding.
Process position
Where DE sits in the brewhouse
1
Fermentation
2
Maturation
3
DE filtration
4
Bright beer tank
5
Packaging
After maturation, beer still carries yeast cells, protein-polyphenol haze and residual solids. DE filtration removes them to the brightness your brand requires, ahead of the bright beer tank and packaging.
Functional role
Applications in beer filtration
Body-feed filtration
Continuous dosing to maintain cake permeability as yeast and haze load builds through the cycle.
Bright beer clarification
Achieving the clarity standard your product specification demands.
Polishing filtration
Final clarity ahead of packaging.
In practice
What brewers ask us about
The questions we get most often from Vietnamese brewers are practical:
- Which grade combination gives the longest cycle at our haze load?
- How do we cut filter aid consumption without losing brightness?
- Why does differential pressure climb faster in some batches?
- Can we reduce beer loss in the spent cake?
None of these have a universal answer. They depend on your yeast, your maturation regime, your filter type and your clarity target — which is why we start with your process data rather than a product list.
Process economics
What our customers measure
Filter aid selection is judged on outcomes across the cycle. Improving one of these frequently costs you another.
- Beer loss in spent cake Product retained at discharge, often the largest hidden cost
- Filter aid consumption Grams per hectolitre filtered
- Cycle length Hectolitres between cleandowns
- Differential pressure Rate of rise across the cycle
- Turbidity EBC clarity against product specification
- Throughput Hectolitres per hour sustained
A note on alternatives
Crossflow membrane filtration has taken share in some breweries, and for certain operations it is the better answer. DE remains preferred where capital cost, flexibility across beer styles and proven process familiarity matter — and many breweries run both. We would rather tell you honestly where DE fits than sell you a filter aid you do not need.
Technical resources
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White Paper: Diatomaceous Earth in Beer Brewing & Filtration
White paperIn preparation
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Technical Data Sheet — Brewing Grades
TDSComing soon
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Safety Data Sheet
SDSComing soon
Other applications
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