The biofilter

Filter material

Cracked root wood

This is the filter material most requested by our customers. We grind the rootstocks using our own machines and sieve the material several times. Different grain sizes are available.

Einsatz:

Coarse root wood as the upstream layer
Medium root wood as the main fill
Fine root wood as the covering layer

Service life:

Up to five years, depending on the raw gas temperature and the humidity in the biofilter.

Bark

We supply bark in various varieties and grain sizes. Upon request, we can also lime it to stabilize the pH value.

Use:

As a covering layer or as the main fill.

Service life:

Up to three years, depending on the raw gas temperature and the humidity in the biofilter.

Wood chips

Forest chips or sawmill chips, different types and grain sizes available.

Use:

As a covering layer or as an inflow layer, e.g. for heather.

Service life:

Up to three years, depending on the raw gas temperature and the humidity in the biofilter.

Detailed view of wood chips for filtering

Bark-wood mixture

Bark mulch, optionally mixed with fine root wood or wood chips. Various grain sizes and mixing ratios are available.

Use:

As the main fill or as a cover layer.

Service life:

Up to three years, depending on the raw gas temperature and the humidity in the biofilter.

All products are delivered free to the construction site; delivery from the yard is also possible as an option.
On request, we are happy to install the materials using special machinery.
Contact us, we will be happy to make you an offer.

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