Mann+hummel Gmbh

Christoph Hitzke

Thomas Pemsel

Matthias Heinzmann

Christoph Krautner

Volkmar Chowanietz

Simon Zapf

A filter medium is provided with a layer (A) provided with non-impregnated active carbon, a layer (B) with a solid carrier material that is impregnated with a permanganate salt, and a layer (C) with alkaline impregnated active carbon. The layer (B) and the layer (C) are arranged such that a gas flowing through the filter medium flows through the layer (B) before flowing through the layer (C). The layer (A) is arranged such that the gas flowing through the filter medium flows through the layer (A) before flowing through the layer (B) or the gas flowing through the filter medium flows through the layer (A) after flowing through the layer (C).

Filter medium for separating nitrogen oxides

The invention describes a filter medium (), in particular for an air filter, in particular an interior air filter or for a fuel cell, including at least three active layers: The invention further discloses a filter media body including the filter medium; a filter element including the filter media body or the filter medium; an air filter including the filter element or the filter media body or the filter medium, and a production method for producing the filter medium.

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Bamberg, Germany

Christoph Hitzke