For thousands of years, beer has been improved through filtering to increase its stability, shelf life, and clarity. To produce beer with the maximum possible value, undesirable components are removed during the filtration process.

It remains the most effective and dependable method for brewers to give beer its finishing touches before distributing it to customers.

The beer filtration system is one of the important steps in the brewing of high-quality beer and is essential to maintaining the sterility, color, and flavor of the finished product.

Incoming water filtration, boiler feed water filtration, centrifuge seal water filtration, trap filtration, sterilization filtration, compressed air/vent/gas filtration, and steam filtration are the primary steps in the beer filtering process.

Filtration is one of the most important phases in the brewing process because it frequently serves as the final touch to the final product.

It is crucial for brewers to maintain all the beneficial characteristics of the beer without sacrificing quality. Brother Filtration is aware of this and provides small- to large-scale brewers with customized solutions that meet the highest quality standards.

Brewing is a controlled natural process that generates both necessary and undesirable byproducts. Unwanted contaminants and organisms can be removed by selecting an effective filtering system.

To ensure a filter system can deliver a high-quality product that is not only aesthetically beautiful but also delicious, we can work with your process conditions.

The different way to filter beer

The different way to filter beer

Depth filtration

Beer particles are removed via depth filtering from the filter medium’s own depth structure. The particles in the filtering medium are either physically trapped in the pores or taken up on the surface of the internal pores.

Filter media options include pre-made sheet filters and fine powders like kieselguhr, or diatomaceous earth (DE), which is added to beer and passed past screens to create a filtering bed.

Surface filtration

With a minimum depth capacity, surface filtration might be either absolute or nominal. Particles are trapped in the pores of the filter medium by a thin membrane, a thin membrane covered with polypropylene, or a thin membrane made of polyethersulfone.

Single- or double-pass filtration

A single-pass or double-pass filtration technique might be used on the beer. An initial (rough) filtration and a secondary (polish) filtration make up the two steps of the double-pass filtering process.

How to choose a filter for the brewery?

You must first decide on the size of the filter. The filter should be sufficiently fine to remove yeast cells and tannins, but not too fine to change the flavor of your finished beer.

The ideal filter size is around 1 micron; anything less than 0.5 microns runs the risk of removing some flavor, while anything larger (5 microns and more) runs the danger of leaving the yeast in the beer.

You must filter down to 0.3 microns or less to remove microorganisms, which some commercial brewers do for shelf stability. Going below 0.5 microns is not something we advise for home brewing.

How quickly your filter could clog is a different consideration when choosing filter size. Actually, a lot of industrial brewers employ a double-pass filter.

To begin with, a 5-micron filter is used to remove large particles, and as a second step, a 0.5-micron filter is used inline to filter small particles. The same can be done if you have a large budget, but for a single filter, 1 micron is plenty.

Inline canister filters with replacement filter elements are the most often used beer filters. If you use high-quality filter cartridges, these are affordable and effective.

Some wine filters have a plate shape, which provides a wider surface area and reduces the likelihood of clogging. Household water filters are slow and prone to clogging, therefore we do not advise using them. Get a filter made for beer and replace it frequently because little inline filters clog very easily.


To quickly enhance flavor and clarity, almost all commercial brewers filter their beer. However, few amateur brewers filter their beer, either because they lack the necessary tools or because they like the unprocessed flavor. For intermediate to experienced brewers who prefer crystal-clear, flavorful beer, filtering is a suitable option.

Brother Filtration, a filtration expert, has years of filtration experience, has a wide range of filter products for beer producers and beer lovers. We dedicate help everyone solve their filtration problem.

Now, just select the appropriate filtration system for your brewery and enjoy the absolute gorgeous taste of your beer.


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