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HOBRAFILT® deep filter sheets

Company name: HOBRA-ŠKOLNÍK s.r.o.

The HOBRAFILT® deep filter sheets are a traditional filter medium which, compared to sieve filtration, offers a significantly higher total capacity. The HOBRAFILT® sheets are available in several assortment series depending on their application or filtration type.

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Product/service description

There are three different filtering mechanisms in the filtration process through filter plates: mechanical (sieve) filtration, electrostatic adsorption, and electrokinetic adsorption, sometime called zeta potential. In practice, during filtration none of the three filtering mechanism normally occurs isolated, but there is always more or less large overlapping, which is finally decisive for the filtration result. For specific applications, HOBRA-Školník® makes, as the only one, a special “R” series of its HOBRAFILT® sheets providing, in addition, the effect of so-called hyperadsorption. Thanks to the chemically initiated surface flocculation, it increases the sorption capacity of the sheet up to a hundred times.

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